39878039 ÷ 652 
We want to divide 39878039 by 652.

Let's proceed to step 1:
652 goes into 3 0 times with a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Append the next digit (9) from the dividend to 3 and continue with: 39 / 652

Let's proceed to step 2:
39 divided by 652 is 0 with a remainder of 39.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 39, we get 39.
Include the next digit (8) from the dividend after 39, then repeat: 398 / 652

Moving on to step 3:
If we divide 398 by 652, we get 0 and a remainder of 398.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 398 to get 398.
Append the next digit (7) from the dividend to 398 and continue with: 3987 / 652

Step 4:
If we divide 3987 by 652, we get 6 and a remainder of 75.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Deduct 3912 from 3987 and we're left with 75.
Grab the next digit (8) from the dividend, add it to 75, then carry on: 758 / 652

Advancing to step 5:
When dividing 758 by 652, we get 1 with a remainder of 106.
The next digit of our result is 1. 
Result so far: 61.0
Deduct 652 from 758 and we're left with 106.
Grab the next digit (0) from the dividend, add it to 106, then carry on: 1060 / 652

Step 6:
When dividing 1060 by 652, we get 1 with a remainder of 408.
The number 1 becomes the next digit in our result. 
Result so far: 611.0
Deduct 652 from 1060 and we're left with 408.
Append the next digit (3) from the dividend to 408 and continue with: 4083 / 652

Moving on to step 7:
When dividing 4083 by 652, we get 6 with a remainder of 171.
Record the quotient 6 as the next digit in the result. 
Result so far: 6116.0
The remainder is 171 after subtracting 3912 from 4083.
Include the next digit (9) from the dividend after 171, then repeat: 1719 / 652

Step 8:
652 goes into 1719 2 times with a remainder of 415.
The next digit of our result is 2. 
Result so far: 61162.0
The remainder is 415 after subtracting 1304 from 1719.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4150, and continue the process.

Moving on to step 9:
When dividing 4150 by 652, we get 6 with a remainder of 238.
The next digit of our result is 6. 
Result so far: 61162.6
Subtracting 3912 from 4150 leaves us with 238.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2380, and continue the process.

Step 10:
652 goes into 2380 3 times with a remainder of 424.
The next digit of our result is 3. 
Result so far: 61162.63
The remainder is 424 after subtracting 1956 from 2380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4240, and continue the process.

Advancing to step 11:
When dividing 4240 by 652, we get 6 with a remainder of 328.
The next digit of our result is 6. 
Result so far: 61162.636
Deduct 3912 from 4240 and we're left with 328.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3280, and continue the process.

On to step 12:
The number 652 fits into 3280 5 times, leaving a remainder of 20.
Write down 5 as next digit of the result. 
Result so far: 61162.6365
Deduct 3260 from 3280 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 13:
If we divide 200 by 652, we get 0 and a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 61162.6365
The remainder is 200 after subtracting 0 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Moving on to step 14:
652 goes into 2000 3 times with a remainder of 44.
Record the quotient 3 as the next digit in the result. 
Result so far: 61162.636503
Subtract 1956 from 2000 to get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

On to step 15:
The number 652 fits into 440 0 times, leaving a remainder of 440.
Use 0 as the next digit of our solution. 
Result so far: 61162.636503
Subtract 0 from 440 to get 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

Let's proceed to step 16:
If we divide 4400 by 652, we get 6 and a remainder of 488.
The number 6 becomes the next digit in our result. 
Result so far: 61162.63650306
Deduct 3912 from 4400 and we're left with 488.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4880, and continue the process.

The final outcome is 61162.63650306, with a leftover of 4.88e-07.