90970287 ÷ 578 
Let's see how many times 578 fits into 90970287.

Advancing to step 1:
9 divided by 578 is 0 with a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Bring next digit (0) of the dividend behind the 9 and repeat the process: 90 / 578

Step 2:
When dividing 90 by 578, we get 0 with a remainder of 90.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 90, we get 90.
Take the next digit (9) from the dividend and append it to 90, then repeat: 909 / 578

On to step 3:
578 can be fit into 909 1 times, resulting in a remainder of 331.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 578 from 909, we get 331.
Grab the next digit (7) from the dividend, add it to 331, then carry on: 3317 / 578

Advancing to step 4:
When dividing 3317 by 578, we get 5 with a remainder of 427.
Use 5 as the next digit of our solution. 
Result so far: 15.0
Subtracting 2890 from 3317 leaves us with 427.
Grab the next digit (0) from the dividend, add it to 427, then carry on: 4270 / 578

Step 5:
The number 578 fits into 4270 7 times, leaving a remainder of 224.
The next digit of our result is 7. 
Result so far: 157.0
If we subtract 4046 from 4270, we get 224.
Take the next digit (2) from the dividend and append it to 224, then repeat: 2242 / 578

Going ahead to step 6:
578 can be fit into 2242 3 times, resulting in a remainder of 508.
Record the quotient 3 as the next digit in the result. 
Result so far: 1573.0
Subtract 1734 from 2242 to get 508.
Append the next digit (8) from the dividend to 508 and continue with: 5088 / 578

Moving on to step 7:
5088 divided by 578 is 8 with a remainder of 464.
Write down 8 as next digit of the result. 
Result so far: 15738.0
The remainder is 464 after subtracting 4624 from 5088.
Bring next digit (7) of the dividend behind the 464 and repeat the process: 4647 / 578

Moving on to step 8:
578 can be fit into 4647 8 times, resulting in a remainder of 23.
The number 8 becomes the next digit in our result. 
Result so far: 157388.0
If we take 4624 away from 4647, we end up with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

On to step 9:
578 goes into 230 0 times with a remainder of 230.
Record the quotient 0 as the next digit in the result. 
Result so far: 157388.0
If we subtract 0 from 230, we get 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

On to step 10:
When dividing 2300 by 578, we get 3 with a remainder of 566.
The next digit of our result is 3. 
Result so far: 157388.03
If we take 1734 away from 2300, we end up with 566.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5660, and continue the process.

Let's proceed to step 11:
578 can be fit into 5660 9 times, resulting in a remainder of 458.
Record the quotient 9 as the next digit in the result. 
Result so far: 157388.039
Subtract 5202 from 5660 to get 458.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4580, and continue the process.

Advancing to step 12:
When dividing 4580 by 578, we get 7 with a remainder of 534.
Record the quotient 7 as the next digit in the result. 
Result so far: 157388.0397
Subtracting 4046 from 4580 leaves us with 534.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5340, and continue the process.

Let's proceed to step 13:
578 goes into 5340 9 times with a remainder of 138.
Put 9 as the next digit of the answer. 
Result so far: 157388.03979
If we subtract 5202 from 5340, we get 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

On to step 14:
578 can be fit into 1380 2 times, resulting in a remainder of 224.
Record the quotient 2 as the next digit in the result. 
Result so far: 157388.039792
If we subtract 1156 from 1380, we get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Advancing to step 15:
2240 divided by 578 is 3 with a remainder of 506.
Record the quotient 3 as the next digit in the result. 
Result so far: 157388.0397923
Subtracting 1734 from 2240 leaves us with 506.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5060, and continue the process.

Going ahead to step 16:
When dividing 5060 by 578, we get 8 with a remainder of 436.
The next digit of our result is 8. 
Result so far: 157388.03979238
Deduct 4624 from 5060 and we're left with 436.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4360, and continue the process.

Our division results in 157388.03979238 with a remaining 4.36e-07.