51810839 ÷ 963 
We want to figure out the number of times 51810839 can be divided by 963.

Let's proceed to step 1:
The number 963 fits into 5 0 times, leaving a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Take the next digit (1) from the dividend and append it to 5, then repeat: 51 / 963

Going ahead to step 2:
When dividing 51 by 963, we get 0 with a remainder of 51.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 51 and we're left with 51.
Fetch the next digit (8) from the dividend, attach it to 51 and continue: 518 / 963

Let's proceed to step 3:
If we divide 518 by 963, we get 0 and a remainder of 518.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 518 leaves us with 518.
Grab the next digit (1) from the dividend, add it to 518, then carry on: 5181 / 963

On to step 4:
The number 963 fits into 5181 5 times, leaving a remainder of 366.
Write down 5 as next digit of the result. 
Result so far: 5.0
Subtracting 4815 from 5181 leaves us with 366.
Include the next digit (0) from the dividend after 366, then repeat: 3660 / 963

Advancing to step 5:
If we divide 3660 by 963, we get 3 and a remainder of 771.
Put 3 as the next digit of the answer. 
Result so far: 53.0
Deduct 2889 from 3660 and we're left with 771.
Bring next digit (8) of the dividend behind the 771 and repeat the process: 7718 / 963

Let's proceed to step 6:
When dividing 7718 by 963, we get 8 with a remainder of 14.
Put 8 as the next digit of the answer. 
Result so far: 538.0
If we subtract 7704 from 7718, we get 14.
Append the next digit (3) from the dividend to 14 and continue with: 143 / 963

On to step 7:
When dividing 143 by 963, we get 0 with a remainder of 143.
Record the quotient 0 as the next digit in the result. 
Result so far: 5380.0
If we subtract 0 from 143, we get 143.
Include the next digit (9) from the dividend after 143, then repeat: 1439 / 963

Step 8:
963 goes into 1439 1 times with a remainder of 476.
Record the quotient 1 as the next digit in the result. 
Result so far: 53801.0
If we take 963 away from 1439, we end up with 476.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4760, and continue the process.

Step 9:
If we divide 4760 by 963, we get 4 and a remainder of 908.
Put 4 as the next digit of the answer. 
Result so far: 53801.4
If we take 3852 away from 4760, we end up with 908.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9080, and continue the process.

On to step 10:
When dividing 9080 by 963, we get 9 with a remainder of 413.
The number 9 becomes the next digit in our result. 
Result so far: 53801.49
Subtract 8667 from 9080 to get 413.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4130, and continue the process.

Step 11:
The number 963 fits into 4130 4 times, leaving a remainder of 278.
Use 4 as the next digit of our solution. 
Result so far: 53801.494
Subtract 3852 from 4130 to get 278.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2780, and continue the process.

Going ahead to step 12:
When dividing 2780 by 963, we get 2 with a remainder of 854.
The number 2 becomes the next digit in our result. 
Result so far: 53801.4942
Subtracting 1926 from 2780 leaves us with 854.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8540, and continue the process.

Let's proceed to step 13:
When dividing 8540 by 963, we get 8 with a remainder of 836.
The next digit of our result is 8. 
Result so far: 53801.49428
Subtract 7704 from 8540 to get 836.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8360, and continue the process.

Let's proceed to step 14:
963 goes into 8360 8 times with a remainder of 656.
The next digit of our result is 8. 
Result so far: 53801.494288
Subtracting 7704 from 8360 leaves us with 656.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6560, and continue the process.

The quotient of the division is 53801.494288, and the remainder is 6.56e-05.