21108915 divided by 219 
We want to figure out the number of times 21108915 can be divided by 219.

On to step 1:
The number 219 fits into 2 0 times, leaving a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 219

Let's proceed to step 2:
The number 219 fits into 21 0 times, leaving a remainder of 21.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 21 to get 21.
Take the next digit (1) from the dividend and append it to 21, then repeat: 211 / 219

Let's proceed to step 3:
219 can be fit into 211 0 times, resulting in a remainder of 211.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 211 after subtracting 0 from 211.
Include the next digit (0) from the dividend after 211, then repeat: 2110 / 219

On to step 4:
When dividing 2110 by 219, we get 9 with a remainder of 139.
Use 9 as the next digit of our solution. 
Result so far: 9.0
Subtracting 1971 from 2110 leaves us with 139.
Append the next digit (8) from the dividend to 139 and continue with: 1398 / 219

Step 5:
219 goes into 1398 6 times with a remainder of 84.
Write down 6 as next digit of the result. 
Result so far: 96.0
The remainder is 84 after subtracting 1314 from 1398.
Fetch the next digit (9) from the dividend, attach it to 84 and continue: 849 / 219

Let's proceed to step 6:
849 divided by 219 is 3 with a remainder of 192.
Put 3 as the next digit of the answer. 
Result so far: 963.0
Deduct 657 from 849 and we're left with 192.
Bring next digit (1) of the dividend behind the 192 and repeat the process: 1921 / 219

Moving on to step 7:
219 goes into 1921 8 times with a remainder of 169.
Write down 8 as next digit of the result. 
Result so far: 9638.0
Deduct 1752 from 1921 and we're left with 169.
Fetch the next digit (5) from the dividend, attach it to 169 and continue: 1695 / 219

Going ahead to step 8:
The number 219 fits into 1695 7 times, leaving a remainder of 162.
Put 7 as the next digit of the answer. 
Result so far: 96387.0
If we take 1533 away from 1695, we end up with 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

Advancing to step 9:
If we divide 1620 by 219, we get 7 and a remainder of 87.
Write down 7 as next digit of the result. 
Result so far: 96387.7
Deduct 1533 from 1620 and we're left with 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Moving on to step 10:
The number 219 fits into 870 3 times, leaving a remainder of 213.
The next digit of our result is 3. 
Result so far: 96387.73
The remainder is 213 after subtracting 657 from 870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2130, and continue the process.

Going ahead to step 11:
If we divide 2130 by 219, we get 9 and a remainder of 159.
Put 9 as the next digit of the answer. 
Result so far: 96387.739
If we subtract 1971 from 2130, we get 159.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

On to step 12:
219 can be fit into 1590 7 times, resulting in a remainder of 57.
The number 7 becomes the next digit in our result. 
Result so far: 96387.7397
Deduct 1533 from 1590 and we're left with 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Going ahead to step 13:
When dividing 570 by 219, we get 2 with a remainder of 132.
Put 2 as the next digit of the answer. 
Result so far: 96387.73972
If we subtract 438 from 570, we get 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Advancing to step 14:
219 goes into 1320 6 times with a remainder of 6.
The number 6 becomes the next digit in our result. 
Result so far: 96387.739726
Deduct 1314 from 1320 and we're left 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.

Step 15:
When dividing 60 by 219, we get 0 with a remainder of 60.
Write down 0 as next digit of the result. 
Result so far: 96387.739726
Subtract 0 from 60 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 16:
If we divide 600 by 219, we get 2 and a remainder of 162.
The number 2 becomes the next digit in our result. 
Result so far: 96387.73972602
Subtract 438 from 600 to get 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

The final outcome is 96387.73972602, with a leftover of 1.62e-07.