19858512 ÷ 859 
Let's see how many times 859 fits into 19858512.

Going ahead to step 1:
859 goes into 1 0 times with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Include the next digit (9) from the dividend after 1, then repeat: 19 / 859

Let's proceed to step 2:
859 goes into 19 0 times with a remainder of 19.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 19, we end up with 19.
Grab the next digit (8) from the dividend, add it to 19, then carry on: 198 / 859

Let's proceed to step 3:
198 divided by 859 is 0 with a remainder of 198.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 198, we end up with 198.
Grab the next digit (5) from the dividend, add it to 198, then carry on: 1985 / 859

Step 4:
The number 859 fits into 1985 2 times, leaving a remainder of 267.
Write down 2 as next digit of the result. 
Result so far: 2.0
The remainder is 267 after subtracting 1718 from 1985.
Append the next digit (8) from the dividend to 267 and continue with: 2678 / 859

Let's proceed to step 5:
If we divide 2678 by 859, we get 3 and a remainder of 101.
The next digit of our result is 3. 
Result so far: 23.0
The remainder is 101 after subtracting 2577 from 2678.
Bring next digit (5) of the dividend behind the 101 and repeat the process: 1015 / 859

Moving on to step 6:
When dividing 1015 by 859, we get 1 with a remainder of 156.
The number 1 becomes the next digit in our result. 
Result so far: 231.0
The remainder is 156 after subtracting 859 from 1015.
Fetch the next digit (1) from the dividend, attach it to 156 and continue: 1561 / 859

Step 7:
1561 divided by 859 is 1 with a remainder of 702.
Record the quotient 1 as the next digit in the result. 
Result so far: 2311.0
The remainder is 702 after subtracting 859 from 1561.
Grab the next digit (2) from the dividend, add it to 702, then carry on: 7022 / 859

Let's proceed to step 8:
When dividing 7022 by 859, we get 8 with a remainder of 150.
The number 8 becomes the next digit in our result. 
Result so far: 23118.0
Deduct 6872 from 7022 and we're left with 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Advancing to step 9:
When dividing 1500 by 859, we get 1 with a remainder of 641.
The number 1 becomes the next digit in our result. 
Result so far: 23118.1
If we take 859 away from 1500, we end up with 641.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6410, and continue the process.

Step 10:
If we divide 6410 by 859, we get 7 and a remainder of 397.
The next digit of our result is 7. 
Result so far: 23118.17
The remainder is 397 after subtracting 6013 from 6410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3970, and continue the process.

Let's proceed to step 11:
If we divide 3970 by 859, we get 4 and a remainder of 534.
Record the quotient 4 as the next digit in the result. 
Result so far: 23118.174
If we take 3436 away from 3970, we end up with 534.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5340, and continue the process.

Going ahead to step 12:
When dividing 5340 by 859, we get 6 with a remainder of 186.
Write down 6 as next digit of the result. 
Result so far: 23118.1746
Subtract 5154 from 5340 to get 186.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Let's proceed to step 13:
859 goes into 1860 2 times with a remainder of 142.
The number 2 becomes the next digit in our result. 
Result so far: 23118.17462
Deduct 1718 from 1860 and we're left with 142.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

Moving on to step 14:
1420 divided by 859 is 1 with a remainder of 561.
Use 1 as the next digit of our solution. 
Result so far: 23118.174621
Subtracting 859 from 1420 leaves us with 561.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5610, and continue the process.

Step 15:
859 goes into 5610 6 times with a remainder of 456.
The next digit of our result is 6. 
Result so far: 23118.1746216
Subtract 5154 from 5610 to get 456.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4560, and continue the process.

Advancing to step 16:
If we divide 4560 by 859, we get 5 and a remainder of 265.
The next digit of our result is 5. 
Result so far: 23118.17462165
The remainder is 265 after subtracting 4295 from 4560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2650, and continue the process.

In conclusion, the division gives 23118.17462165 with a balance of 2.65e-07.