74390606 divided by 86 
Let's see how many times 86 fits into 74390606.

Advancing to step 1:
If we divide 7 by 86, we get 0 and a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Take the next digit (4) from the dividend and append it to 7, then repeat: 74 / 86

Step 2:
When dividing 74 by 86, we get 0 with a remainder of 74.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 74 leaves us with 74.
Take the next digit (3) from the dividend and append it to 74, then repeat: 743 / 86

Moving on to step 3:
86 can be fit into 743 8 times, resulting in a remainder of 55.
The next digit of our result is 8. 
Result so far: 8.0
If we take 688 away from 743, we end up with 55.
Take the next digit (9) from the dividend and append it to 55, then repeat: 559 / 86

Moving on to step 4:
If we divide 559 by 86, we get 6 and a remainder of 43.
The next digit of our result is 6. 
Result so far: 86.0
The remainder is 43 after subtracting 516 from 559.
Bring next digit (0) of the dividend behind the 43 and repeat the process: 430 / 86

Advancing to step 5:
If we divide 430 by 86, we get 5 and a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 865.0
Subtract 430 from 430 to get 0.
Append the next digit (6) from the dividend to 0 and continue with: 6 / 86

Step 6:
6 divided by 86 is 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 8650.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (0) from the dividend, attach it to 6 and continue: 60 / 86

Advancing to step 7:
If we divide 60 by 86, we get 0 and a remainder of 60.
Write down 0 as next digit of the result. 
Result so far: 86500.0
Subtracting 0 from 60 leaves us with 60.
Include the next digit (6) from the dividend after 60, then repeat: 606 / 86

Moving on to step 8:
606 divided by 86 is 7 with a remainder of 4.
The number 7 becomes the next digit in our result. 
Result so far: 865007.0
If we take 602 away from 606, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 9:
86 goes into 40 0 times with a remainder of 40.
The next digit of our result is 0. 
Result so far: 865007.0
If we subtract 0 from 40, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 10:
When dividing 400 by 86, we get 4 with a remainder of 56.
Record the quotient 4 as the next digit in the result. 
Result so far: 865007.04
If we subtract 344 from 400, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Let's proceed to step 11:
The number 86 fits into 560 6 times, leaving a remainder of 44.
Put 6 as the next digit of the answer. 
Result so far: 865007.046
If we subtract 516 from 560, we 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.

Going ahead to step 12:
The number 86 fits into 440 5 times, leaving a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 865007.0465
Deduct 430 from 440 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 13:
86 can be fit into 100 1 times, resulting in a remainder of 14.
Use 1 as the next digit of our solution. 
Result so far: 865007.04651
Deduct 86 from 100 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 14:
86 can be fit into 140 1 times, resulting in a remainder of 54.
Put 1 as the next digit of the answer. 
Result so far: 865007.046511
The remainder is 54 after subtracting 86 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

The final outcome is 865007.046511, with a leftover of 5.4e-06.