15145502 ÷ 649 
We're looking to find how many times 649 goes into 15145502.

Step 1:
When dividing 1 by 649, we get 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 649

Let's proceed to step 2:
649 goes into 15 0 times with a remainder of 15.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 15, we get 15.
Bring next digit (1) of the dividend behind the 15 and repeat the process: 151 / 649

Going ahead to step 3:
If we divide 151 by 649, we get 0 and a remainder of 151.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 151, we end up with 151.
Fetch the next digit (4) from the dividend, attach it to 151 and continue: 1514 / 649

Going ahead to step 4:
If we divide 1514 by 649, we get 2 and a remainder of 216.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we take 1298 away from 1514, we end up with 216.
Grab the next digit (5) from the dividend, add it to 216, then carry on: 2165 / 649

Going ahead to step 5:
The number 649 fits into 2165 3 times, leaving a remainder of 218.
Write down 3 as next digit of the result. 
Result so far: 23.0
The remainder is 218 after subtracting 1947 from 2165.
Include the next digit (5) from the dividend after 218, then repeat: 2185 / 649

On to step 6:
The number 649 fits into 2185 3 times, leaving a remainder of 238.
Write down 3 as next digit of the result. 
Result so far: 233.0
If we take 1947 away from 2185, we end up with 238.
Bring next digit (0) of the dividend behind the 238 and repeat the process: 2380 / 649

Moving on to step 7:
649 can be fit into 2380 3 times, resulting in a remainder of 433.
The next digit of our result is 3. 
Result so far: 2333.0
The remainder is 433 after subtracting 1947 from 2380.
Append the next digit (2) from the dividend to 433 and continue with: 4332 / 649

Advancing to step 8:
649 can be fit into 4332 6 times, resulting in a remainder of 438.
Write down 6 as next digit of the result. 
Result so far: 23336.0
If we take 3894 away from 4332, we end up with 438.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4380, and continue the process.

On to step 9:
4380 divided by 649 is 6 with a remainder of 486.
Put 6 as the next digit of the answer. 
Result so far: 23336.6
If we take 3894 away from 4380, we end up with 486.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4860, and continue the process.

Let's proceed to step 10:
If we divide 4860 by 649, we get 7 and a remainder of 317.
The number 7 becomes the next digit in our result. 
Result so far: 23336.67
The remainder is 317 after subtracting 4543 from 4860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3170, and continue the process.

Step 11:
The number 649 fits into 3170 4 times, leaving a remainder of 574.
Put 4 as the next digit of the answer. 
Result so far: 23336.674
Deduct 2596 from 3170 and we're left with 574.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5740, and continue the process.

Moving on to step 12:
649 can be fit into 5740 8 times, resulting in a remainder of 548.
The next digit of our result is 8. 
Result so far: 23336.6748
Subtract 5192 from 5740 to get 548.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5480, and continue the process.

Going ahead to step 13:
If we divide 5480 by 649, we get 8 and a remainder of 288.
Put 8 as the next digit of the answer. 
Result so far: 23336.67488
Subtracting 5192 from 5480 leaves us with 288.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2880, and continue the process.

The final outcome is 23336.67488, with a leftover of 0.000288.