39207778 ÷ 638 
We want to divide 39207778 by 638.

Let's proceed to step 1:
The number 638 fits into 3 0 times, leaving 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.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 638

Going ahead to step 2:
If we divide 39 by 638, we get 0 and a remainder of 39.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 39 and we're left with 39.
Append the next digit (2) from the dividend to 39 and continue with: 392 / 638

Advancing to step 3:
392 divided by 638 is 0 with a remainder of 392.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 392 to get 392.
Include the next digit (0) from the dividend after 392, then repeat: 3920 / 638

On to step 4:
638 can be fit into 3920 6 times, resulting in a remainder of 92.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
Subtract 3828 from 3920 to get 92.
Append the next digit (7) from the dividend to 92 and continue with: 927 / 638

Moving on to step 5:
927 divided by 638 is 1 with a remainder of 289.
The number 1 becomes the next digit in our result. 
Result so far: 61.0
Deduct 638 from 927 and we're left with 289.
Fetch the next digit (7) from the dividend, attach it to 289 and continue: 2897 / 638

Going ahead to step 6:
The number 638 fits into 2897 4 times, leaving a remainder of 345.
The number 4 becomes the next digit in our result. 
Result so far: 614.0
If we take 2552 away from 2897, we end up with 345.
Grab the next digit (7) from the dividend, add it to 345, then carry on: 3457 / 638

Advancing to step 7:
The number 638 fits into 3457 5 times, leaving a remainder of 267.
Put 5 as the next digit of the answer. 
Result so far: 6145.0
The remainder is 267 after subtracting 3190 from 3457.
Take the next digit (8) from the dividend and append it to 267, then repeat: 2678 / 638

Step 8:
2678 divided by 638 is 4 with a remainder of 126.
Record the quotient 4 as the next digit in the result. 
Result so far: 61454.0
If we subtract 2552 from 2678, we get 126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1260, and continue the process.

Moving on to step 9:
When dividing 1260 by 638, we get 1 with a remainder of 622.
Record the quotient 1 as the next digit in the result. 
Result so far: 61454.1
If we subtract 638 from 1260, we get 622.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6220, and continue the process.

On to step 10:
638 goes into 6220 9 times with a remainder of 478.
Put 9 as the next digit of the answer. 
Result so far: 61454.19
Subtract 5742 from 6220 to get 478.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4780, and continue the process.

Let's proceed to step 11:
When dividing 4780 by 638, we get 7 with a remainder of 314.
The number 7 becomes the next digit in our result. 
Result so far: 61454.197
Subtract 4466 from 4780 to get 314.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3140, and continue the process.

Step 12:
If we divide 3140 by 638, we get 4 and a remainder of 588.
The next digit of our result is 4. 
Result so far: 61454.1974
The remainder is 588 after subtracting 2552 from 3140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5880, and continue the process.

On to step 13:
5880 divided by 638 is 9 with a remainder of 138.
Record the quotient 9 as the next digit in the result. 
Result so far: 61454.19749
Deduct 5742 from 5880 and we're left with 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

Going ahead to step 14:
638 goes into 1380 2 times with a remainder of 104.
The number 2 becomes the next digit in our result. 
Result so far: 61454.197492
Deduct 1276 from 1380 and we're left with 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Step 15:
If we divide 1040 by 638, we get 1 and a remainder of 402.
Record the quotient 1 as the next digit in the result. 
Result so far: 61454.1974921
If we subtract 638 from 1040, we get 402.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4020, and continue the process.

Let's proceed to step 16:
The number 638 fits into 4020 6 times, leaving a remainder of 192.
The number 6 becomes the next digit in our result. 
Result so far: 61454.19749216
Subtracting 3828 from 4020 leaves us with 192.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

The quotient of the division is 61454.19749216, and the remainder is 1.92e-07.