393808 divided by 81 
We're looking to find how many times 81 goes into 393808.

Let's proceed to step 1:
81 can be fit into 3 0 times, resulting in a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Include the next digit (9) from the dividend after 3, then repeat: 39 / 81

Step 2:
81 can be fit into 39 0 times, resulting in a remainder of 39.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 39, we get 39.
Take the next digit (3) from the dividend and append it to 39, then repeat: 393 / 81

Going ahead to step 3:
393 divided by 81 is 4 with a remainder of 69.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 324 from 393, we get 69.
Include the next digit (8) from the dividend after 69, then repeat: 698 / 81

Step 4:
81 goes into 698 8 times with a remainder of 50.
The number 8 becomes the next digit in our result. 
Result so far: 48.0
If we take 648 away from 698, we end up with 50.
Include the next digit (0) from the dividend after 50, then repeat: 500 / 81

On to step 5:
500 divided by 81 is 6 with a remainder of 14.
Use 6 as the next digit of our solution. 
Result so far: 486.0
The remainder is 14 after subtracting 486 from 500.
Take the next digit (8) from the dividend and append it to 14, then repeat: 148 / 81

On to step 6:
148 divided by 81 is 1 with a remainder of 67.
The next digit of our result is 1. 
Result so far: 4861.0
If we subtract 81 from 148, we get 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Let's proceed to step 7:
When dividing 670 by 81, we get 8 with a remainder of 22.
Write down 8 as next digit of the result. 
Result so far: 4861.8
Subtract 648 from 670 to get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Let's proceed to step 8:
If we divide 220 by 81, we get 2 and a remainder of 58.
The next digit of our result is 2. 
Result so far: 4861.82
Deduct 162 from 220 and we're left with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

On to step 9:
580 divided by 81 is 7 with a remainder of 13.
Put 7 as the next digit of the answer. 
Result so far: 4861.827
Deduct 567 from 580 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Step 10:
81 can be fit into 130 1 times, resulting in a remainder of 49.
Use 1 as the next digit of our solution. 
Result so far: 4861.8271
If we subtract 81 from 130, we get 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Going ahead to step 11:
The number 81 fits into 490 6 times, leaving a remainder of 4.
Use 6 as the next digit of our solution. 
Result so far: 4861.82716
The remainder is 4 after subtracting 486 from 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 12:
The number 81 fits into 40 0 times, leaving a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 4861.82716
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 13:
If we divide 400 by 81, we get 4 and a remainder of 76.
Use 4 as the next digit of our solution. 
Result so far: 4861.8271604
If we subtract 324 from 400, we get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Going ahead to step 14:
If we divide 760 by 81, we get 9 and a remainder of 31.
The next digit of our result is 9. 
Result so far: 4861.82716049
Subtracting 729 from 760 leaves us with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

The final result is 4861.82716049 with a remainder of 3.1e-08.