858815 ÷ 19 
We want to figure out the number of times 858815 can be divided by 19.

Advancing to step 1:
19 can be fit into 8 0 times, resulting in a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 19

Let's proceed to step 2:
The number 19 fits into 85 4 times, leaving a remainder of 9.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
If we take 76 away from 85, we end up with 9.
Append the next digit (8) from the dividend to 9 and continue with: 98 / 19

Moving on to step 3:
19 can be fit into 98 5 times, resulting in a remainder of 3.
Write down 5 as next digit of the result. 
Result so far: 45.0
The remainder is 3 after subtracting 95 from 98.
Include the next digit (8) from the dividend after 3, then repeat: 38 / 19

On to step 4:
19 can be fit into 38 2 times, resulting in a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 452.0
Subtracting 38 from 38 leaves us with 0.
Take the next digit (1) from the dividend and append it to 0, then repeat: 1 / 19

Advancing to step 5:
When dividing 1 by 19, we get 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 4520.0
Deduct 0 from 1 and we're left with 1.
Bring next digit (5) of the dividend behind the 1 and repeat the process: 15 / 19

Going ahead to step 6:
When dividing 15 by 19, we get 0 with a remainder of 15.
Write down 0 as next digit of the result. 
Result so far: 45200.0
Subtract 0 from 15 to get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 7:
150 divided by 19 is 7 with a remainder of 17.
Put 7 as the next digit of the answer. 
Result so far: 45200.7
Subtract 133 from 150 to get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Advancing to step 8:
170 divided by 19 is 8 with a remainder of 18.
The next digit of our result is 8. 
Result so far: 45200.78
Deduct 152 from 170 and we're left with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 9:
When dividing 180 by 19, we get 9 with a remainder of 9.
The next digit of our result is 9. 
Result so far: 45200.789
The remainder is 9 after subtracting 171 from 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 10:
19 can be fit into 90 4 times, resulting in a remainder of 14.
The number 4 becomes the next digit in our result. 
Result so far: 45200.7894
Deduct 76 from 90 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 11:
19 goes into 140 7 times with a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 45200.78947
Subtracting 133 from 140 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 12:
70 divided by 19 is 3 with a remainder of 13.
Write down 3 as next digit of the result. 
Result so far: 45200.789473
Subtract 57 from 70 to get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Moving on to step 13:
The number 19 fits into 130 6 times, leaving a remainder of 16.
Put 6 as the next digit of the answer. 
Result so far: 45200.7894736
Subtracting 114 from 130 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 14:
19 can be fit into 160 8 times, resulting in a remainder of 8.
The number 8 becomes the next digit in our result. 
Result so far: 45200.78947368
Subtracting 152 from 160 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.

After the division, we end up with 45200.78947368 and a remainder of 8e-09.