21232508 divided by 13 
Our goal is to divide 21232508 by 13.

Step 1:
13 goes into 2 0 times with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 13

On to step 2:
21 divided by 13 is 1 with a remainder of 8.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 13 from 21 leaves us with 8.
Bring next digit (2) of the dividend behind the 8 and repeat the process: 82 / 13

Moving on to step 3:
13 goes into 82 6 times with a remainder of 4.
The number 6 becomes the next digit in our result. 
Result so far: 16.0
Deduct 78 from 82 and we're left with 4.
Fetch the next digit (3) from the dividend, attach it to 4 and continue: 43 / 13

Advancing to step 4:
When dividing 43 by 13, we get 3 with a remainder of 4.
Put 3 as the next digit of the answer. 
Result so far: 163.0
Deduct 39 from 43 and we're left with 4.
Append the next digit (2) from the dividend to 4 and continue with: 42 / 13

Step 5:
13 can be fit into 42 3 times, resulting in a remainder of 3.
The number 3 becomes the next digit in our result. 
Result so far: 1633.0
Deduct 39 from 42 and we're left with 3.
Take the next digit (5) from the dividend and append it to 3, then repeat: 35 / 13

Let's proceed to step 6:
The number 13 fits into 35 2 times, leaving a remainder of 9.
Record the quotient 2 as the next digit in the result. 
Result so far: 16332.0
Deduct 26 from 35 and we're left with 9.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 13

On to step 7:
If we divide 90 by 13, we get 6 and a remainder of 12.
Use 6 as the next digit of our solution. 
Result so far: 163326.0
If we subtract 78 from 90, we get 12.
Grab the next digit (8) from the dividend, add it to 12, then carry on: 128 / 13

Going ahead to step 8:
The number 13 fits into 128 9 times, leaving a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 1633269.0
If we take 117 away from 128, we end up with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Moving on to step 9:
13 goes into 110 8 times with a remainder of 6.
The next digit of our result is 8. 
Result so far: 1633269.8
Subtracting 104 from 110 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 10:
The number 13 fits into 60 4 times, leaving a remainder of 8.
Write down 4 as next digit of the result. 
Result so far: 1633269.84
Subtracting 52 from 60 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.

Going ahead to step 11:
The number 13 fits into 80 6 times, leaving a remainder of 2.
Write down 6 as next digit of the result. 
Result so far: 1633269.846
Deduct 78 from 80 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 12:
The number 13 fits into 20 1 times, leaving a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 1633269.8461
The remainder is 7 after subtracting 13 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Step 13:
The number 13 fits into 70 5 times, leaving a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 1633269.84615
Deduct 65 from 70 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 14:
If we divide 50 by 13, we get 3 and a remainder of 11.
Write down 3 as next digit of the result. 
Result so far: 1633269.846153
Subtracting 39 from 50 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 15:
When dividing 110 by 13, we get 8 with a remainder of 6.
Write down 8 as next digit of the result. 
Result so far: 1633269.8461538
If we subtract 104 from 110, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 16:
The number 13 fits into 60 4 times, leaving a remainder of 8.
Use 4 as the next digit of our solution. 
Result so far: 1633269.84615384
Subtracting 52 from 60 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.

The final result is 1633269.84615384 with a remainder of 8e-09.