We're dividing 521910 by 39 
Our goal is to divide 521910 by 39.

Let's proceed to step 1:
5 divided by 39 is 0 with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Include the next digit (2) from the dividend after 5, then repeat: 52 / 39

Step 2:
The number 39 fits into 52 1 times, leaving a remainder of 13.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 39 from 52 leaves us with 13.
Append the next digit (1) from the dividend to 13 and continue with: 131 / 39

Going ahead to step 3:
39 can be fit into 131 3 times, resulting in a remainder of 14.
Use 3 as the next digit of our solution. 
Result so far: 13.0
Subtracting 117 from 131 leaves us with 14.
Fetch the next digit (9) from the dividend, attach it to 14 and continue: 149 / 39

Step 4:
The number 39 fits into 149 3 times, leaving a remainder of 32.
Put 3 as the next digit of the answer. 
Result so far: 133.0
Subtract 117 from 149 to get 32.
Fetch the next digit (1) from the dividend, attach it to 32 and continue: 321 / 39

Going ahead to step 5:
If we divide 321 by 39, we get 8 and a remainder of 9.
The number 8 becomes the next digit in our result. 
Result so far: 1338.0
If we subtract 312 from 321, we get 9.
Take the next digit (0) from the dividend and append it to 9, then repeat: 90 / 39

Advancing to step 6:
90 divided by 39 is 2 with a remainder of 12.
The next digit of our result is 2. 
Result so far: 13382.0
Deduct 78 from 90 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 7:
120 divided by 39 is 3 with a remainder of 3.
Write down 3 as next digit of the result. 
Result so far: 13382.3
The remainder is 3 after subtracting 117 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Going ahead to step 8:
When dividing 30 by 39, we get 0 with a remainder of 30.
The next digit of our result is 0. 
Result so far: 13382.3
If we subtract 0 from 30, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 9:
39 goes into 300 7 times with a remainder of 27.
Use 7 as the next digit of our solution. 
Result so far: 13382.307
If we subtract 273 from 300, we get 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Moving on to step 10:
39 can be fit into 270 6 times, resulting in a remainder of 36.
Use 6 as the next digit of our solution. 
Result so far: 13382.3076
If we take 234 away from 270, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Advancing to step 11:
360 divided by 39 is 9 with a remainder of 9.
The next digit of our result is 9. 
Result so far: 13382.30769
If we take 351 away from 360, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 12:
39 can be fit into 90 2 times, resulting in a remainder of 12.
Write down 2 as next digit of the result. 
Result so far: 13382.307692
The remainder is 12 after subtracting 78 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 13:
When dividing 120 by 39, we get 3 with a remainder of 3.
The number 3 becomes the next digit in our result. 
Result so far: 13382.3076923
The remainder is 3 after subtracting 117 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 14:
If we divide 30 by 39, we get 0 and a remainder of 30.
Record the quotient 0 as the next digit in the result. 
Result so far: 13382.3076923
Deduct 0 from 30 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

The final result is 13382.3076923 with a remainder of 3e-08.