830390 divided by 64 
We're looking to find how many times 64 goes into 830390.

Advancing to step 1:
8 divided by 64 is 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Include the next digit (3) from the dividend after 8, then repeat: 83 / 64

On to step 2:
64 can be fit into 83 1 times, resulting in a remainder of 19.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 64 away from 83, we end up with 19.
Grab the next digit (0) from the dividend, add it to 19, then carry on: 190 / 64

Step 3:
When dividing 190 by 64, we get 2 with a remainder of 62.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
Subtract 128 from 190 to get 62.
Take the next digit (3) from the dividend and append it to 62, then repeat: 623 / 64

Moving on to step 4:
The number 64 fits into 623 9 times, leaving a remainder of 47.
Use 9 as the next digit of our solution. 
Result so far: 129.0
The remainder is 47 after subtracting 576 from 623.
Bring next digit (9) of the dividend behind the 47 and repeat the process: 479 / 64

Moving on to step 5:
The number 64 fits into 479 7 times, leaving a remainder of 31.
The next digit of our result is 7. 
Result so far: 1297.0
If we subtract 448 from 479, we get 31.
Fetch the next digit (0) from the dividend, attach it to 31 and continue: 310 / 64

Let's proceed to step 6:
64 can be fit into 310 4 times, resulting in a remainder of 54.
Put 4 as the next digit of the answer. 
Result so far: 12974.0
Deduct 256 from 310 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Going ahead to step 7:
64 can be fit into 540 8 times, resulting in a remainder of 28.
Record the quotient 8 as the next digit in the result. 
Result so far: 12974.8
If we take 512 away from 540, we end up with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Moving on to step 8:
The number 64 fits into 280 4 times, leaving a remainder of 24.
Record the quotient 4 as the next digit in the result. 
Result so far: 12974.84
Subtract 256 from 280 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Advancing to step 9:
64 can be fit into 240 3 times, resulting in a remainder of 48.
Put 3 as the next digit of the answer. 
Result so far: 12974.843
Deduct 192 from 240 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

On to step 10:
64 can be fit into 480 7 times, resulting in a remainder of 32.
Use 7 as the next digit of our solution. 
Result so far: 12974.8437
Subtract 448 from 480 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Let's proceed to step 11:
When dividing 320 by 64, we get 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 12974.84375
If we take 320 away from 320, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 12:
If we divide 0 by 64, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 12974.84375
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 13:
The number 64 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 12974.84375
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 12974.84375, and the remainder is 0.0.