17189574 divided by 869 
Our goal is to divide 17189574 by 869.

Step 1:
The number 869 fits into 1 0 times, leaving a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Include the next digit (7) from the dividend after 1, then repeat: 17 / 869

Going ahead to step 2:
If we divide 17 by 869, we get 0 and a remainder of 17.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 17 and we're left with 17.
Take the next digit (1) from the dividend and append it to 17, then repeat: 171 / 869

Step 3:
The number 869 fits into 171 0 times, leaving a remainder of 171.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 171 leaves us with 171.
Append the next digit (8) from the dividend to 171 and continue with: 1718 / 869

Moving on to step 4:
1718 divided by 869 is 1 with a remainder of 849.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 869 from 1718 to get 849.
Fetch the next digit (9) from the dividend, attach it to 849 and continue: 8499 / 869

Step 5:
869 goes into 8499 9 times with a remainder of 678.
Put 9 as the next digit of the answer. 
Result so far: 19.0
The remainder is 678 after subtracting 7821 from 8499.
Include the next digit (5) from the dividend after 678, then repeat: 6785 / 869

On to step 6:
When dividing 6785 by 869, we get 7 with a remainder of 702.
Use 7 as the next digit of our solution. 
Result so far: 197.0
If we take 6083 away from 6785, we end up with 702.
Grab the next digit (7) from the dividend, add it to 702, then carry on: 7027 / 869

Going ahead to step 7:
869 goes into 7027 8 times with a remainder of 75.
Record the quotient 8 as the next digit in the result. 
Result so far: 1978.0
The remainder is 75 after subtracting 6952 from 7027.
Take the next digit (4) from the dividend and append it to 75, then repeat: 754 / 869

On to step 8:
869 goes into 754 0 times with a remainder of 754.
Write down 0 as next digit of the result. 
Result so far: 19780.0
If we take 0 away from 754, we end up with 754.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7540, and continue the process.

On to step 9:
869 goes into 7540 8 times with a remainder of 588.
The number 8 becomes the next digit in our result. 
Result so far: 19780.8
If we subtract 6952 from 7540, we get 588.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5880, and continue the process.

Step 10:
When dividing 5880 by 869, we get 6 with a remainder of 666.
Put 6 as the next digit of the answer. 
Result so far: 19780.86
If we take 5214 away from 5880, we end up with 666.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6660, and continue the process.

Going ahead to step 11:
If we divide 6660 by 869, we get 7 and a remainder of 577.
The next digit of our result is 7. 
Result so far: 19780.867
If we take 6083 away from 6660, we end up with 577.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5770, and continue the process.

Moving on to step 12:
5770 divided by 869 is 6 with a remainder of 556.
Use 6 as the next digit of our solution. 
Result so far: 19780.8676
The remainder is 556 after subtracting 5214 from 5770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5560, and continue the process.

Moving on to step 13:
869 can be fit into 5560 6 times, resulting in a remainder of 346.
The next digit of our result is 6. 
Result so far: 19780.86766
Subtracting 5214 from 5560 leaves us with 346.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3460, and continue the process.

The final result is 19780.86766 with a remainder of 0.000346.