We divide 403901 by 81
We're looking to find how many times 81 goes into 403901.

Let's proceed to step 1:
81 can be fit into 4 0 times, resulting in a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Include the next digit (0) from the dividend after 4, then repeat: 40 / 81

Step 2:
81 goes into 40 0 times with a remainder of 40.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 40, we get 40.
Fetch the next digit (3) from the dividend, attach it to 40 and continue: 403 / 81

Let's proceed to step 3:
81 goes into 403 4 times with a remainder of 79.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 324 from 403, we get 79.
Fetch the next digit (9) from the dividend, attach it to 79 and continue: 799 / 81

On to step 4:
81 goes into 799 9 times with a remainder of 70.
The number 9 becomes the next digit in our result. 
Result so far: 49.0
If we subtract 729 from 799, we get 70.
Bring next digit (0) of the dividend behind the 70 and repeat the process: 700 / 81

Moving on to step 5:
When dividing 700 by 81, we get 8 with a remainder of 52.
Put 8 as the next digit of the answer. 
Result so far: 498.0
Subtract 648 from 700 to get 52.
Take the next digit (1) from the dividend and append it to 52, then repeat: 521 / 81

Step 6:
521 divided by 81 is 6 with a remainder of 35.
Put 6 as the next digit of the answer. 
Result so far: 4986.0
Subtract 486 from 521 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Moving on to step 7:
The number 81 fits into 350 4 times, leaving a remainder of 26.
Record the quotient 4 as the next digit in the result. 
Result so far: 4986.4
Subtract 324 from 350 to get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 8:
260 divided by 81 is 3 with a remainder of 17.
Use 3 as the next digit of our solution. 
Result so far: 4986.43
Deduct 243 from 260 and we're left with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

On to step 9:
81 can be fit into 170 2 times, resulting in a remainder of 8.
The next digit of our result is 2. 
Result so far: 4986.432
Subtracting 162 from 170 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 10:
When dividing 80 by 81, we get 0 with a remainder of 80.
Write down 0 as next digit of the result. 
Result so far: 4986.432
Deduct 0 from 80 and we're left with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Let's proceed to step 11:
81 can be fit into 800 9 times, resulting in a remainder of 71.
Write down 9 as next digit of the result. 
Result so far: 4986.43209
If we subtract 729 from 800, we get 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Going ahead to step 12:
81 goes into 710 8 times with a remainder of 62.
Write down 8 as next digit of the result. 
Result so far: 4986.432098
Deduct 648 from 710 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Advancing to step 13:
81 can be fit into 620 7 times, resulting in a remainder of 53.
The number 7 becomes the next digit in our result. 
Result so far: 4986.4320987
Subtracting 567 from 620 leaves us with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

On to step 14:
The number 81 fits into 530 6 times, leaving a remainder of 44.
Put 6 as the next digit of the answer. 
Result so far: 4986.43209876
Deduct 486 from 530 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

After the division, we end up with 4986.43209876 and a remainder of 4.4e-08.