30682974 divided by 621 
Our goal is to divide 30682974 by 621.

Let's proceed to step 1:
621 goes into 3 0 times with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Grab the next digit (0) from the dividend, add it to 3, then carry on: 30 / 621

Let's proceed to step 2:
621 can be fit into 30 0 times, resulting in a remainder of 30.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 30, we end up with 30.
Fetch the next digit (6) from the dividend, attach it to 30 and continue: 306 / 621

On to step 3:
621 goes into 306 0 times with a remainder of 306.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 306, we get 306.
Append the next digit (8) from the dividend to 306 and continue with: 3068 / 621

Advancing to step 4:
When dividing 3068 by 621, we get 4 with a remainder of 584.
The next digit of our result is 4. 
Result so far: 4.0
Deduct 2484 from 3068 and we're left with 584.
Include the next digit (2) from the dividend after 584, then repeat: 5842 / 621

Step 5:
5842 divided by 621 is 9 with a remainder of 253.
Put 9 as the next digit of the answer. 
Result so far: 49.0
Subtract 5589 from 5842 to get 253.
Grab the next digit (9) from the dividend, add it to 253, then carry on: 2539 / 621

Going ahead to step 6:
The number 621 fits into 2539 4 times, leaving a remainder of 55.
Record the quotient 4 as the next digit in the result. 
Result so far: 494.0
If we subtract 2484 from 2539, we get 55.
Bring next digit (7) of the dividend behind the 55 and repeat the process: 557 / 621

Let's proceed to step 7:
The number 621 fits into 557 0 times, leaving a remainder of 557.
The number 0 becomes the next digit in our result. 
Result so far: 4940.0
Deduct 0 from 557 and we're left with 557.
Include the next digit (4) from the dividend after 557, then repeat: 5574 / 621

Advancing to step 8:
The number 621 fits into 5574 8 times, leaving a remainder of 606.
The number 8 becomes the next digit in our result. 
Result so far: 49408.0
Deduct 4968 from 5574 and we're left with 606.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6060, and continue the process.

Moving on to step 9:
The number 621 fits into 6060 9 times, leaving a remainder of 471.
Use 9 as the next digit of our solution. 
Result so far: 49408.9
Deduct 5589 from 6060 and we're left with 471.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4710, and continue the process.

Going ahead to step 10:
621 can be fit into 4710 7 times, resulting in a remainder of 363.
Use 7 as the next digit of our solution. 
Result so far: 49408.97
Deduct 4347 from 4710 and we're left with 363.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3630, and continue the process.

Going ahead to step 11:
If we divide 3630 by 621, we get 5 and a remainder of 525.
The next digit of our result is 5. 
Result so far: 49408.975
Deduct 3105 from 3630 and we're left with 525.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5250, and continue the process.

Step 12:
When dividing 5250 by 621, we get 8 with a remainder of 282.
Use 8 as the next digit of our solution. 
Result so far: 49408.9758
Subtracting 4968 from 5250 leaves us with 282.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2820, and continue the process.

Let's proceed to step 13:
When dividing 2820 by 621, we get 4 with a remainder of 336.
The number 4 becomes the next digit in our result. 
Result so far: 49408.97584
Subtract 2484 from 2820 to get 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

Moving on to step 14:
The number 621 fits into 3360 5 times, leaving a remainder of 255.
The number 5 becomes the next digit in our result. 
Result so far: 49408.975845
Subtract 3105 from 3360 to get 255.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2550, and continue the process.

Advancing to step 15:
621 goes into 2550 4 times with a remainder of 66.
Put 4 as the next digit of the answer. 
Result so far: 49408.9758454
Subtracting 2484 from 2550 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Let's proceed to step 16:
When dividing 660 by 621, we get 1 with a remainder of 39.
The number 1 becomes the next digit in our result. 
Result so far: 49408.97584541
The remainder is 39 after subtracting 621 from 660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

In conclusion, the division gives 49408.97584541 with a balance of 3.9e-08.