581669 ÷ 51 
We want to figure out the number of times 581669 can be divided by 51.

Moving on to step 1:
If we divide 5 by 51, we get 0 and a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Fetch the next digit (8) from the dividend, attach it to 5 and continue: 58 / 51

On to step 2:
58 divided by 51 is 1 with a remainder of 7.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 51 away from 58, we end up with 7.
Include the next digit (1) from the dividend after 7, then repeat: 71 / 51

On to step 3:
When dividing 71 by 51, we get 1 with a remainder of 20.
Put 1 as the next digit of the answer. 
Result so far: 11.0
If we subtract 51 from 71, we get 20.
Bring next digit (6) of the dividend behind the 20 and repeat the process: 206 / 51

On to step 4:
206 divided by 51 is 4 with a remainder of 2.
Record the quotient 4 as the next digit in the result. 
Result so far: 114.0
Subtract 204 from 206 to get 2.
Bring next digit (6) of the dividend behind the 2 and repeat the process: 26 / 51

Advancing to step 5:
If we divide 26 by 51, we get 0 and a remainder of 26.
Write down 0 as next digit of the result. 
Result so far: 1140.0
If we take 0 away from 26, we end up with 26.
Take the next digit (9) from the dividend and append it to 26, then repeat: 269 / 51

Advancing to step 6:
When dividing 269 by 51, we get 5 with a remainder of 14.
The next digit of our result is 5. 
Result so far: 11405.0
Subtracting 255 from 269 leaves us 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.

Going ahead to step 7:
The number 51 fits into 140 2 times, leaving a remainder of 38.
The number 2 becomes the next digit in our result. 
Result so far: 11405.2
The remainder is 38 after subtracting 102 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Advancing to step 8:
The number 51 fits into 380 7 times, leaving a remainder of 23.
Put 7 as the next digit of the answer. 
Result so far: 11405.27
The remainder is 23 after subtracting 357 from 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Moving on to step 9:
51 can be fit into 230 4 times, resulting in a remainder of 26.
Write down 4 as next digit of the result. 
Result so far: 11405.274
If we subtract 204 from 230, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Let's proceed to step 10:
When dividing 260 by 51, we get 5 with a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 11405.2745
The remainder is 5 after subtracting 255 from 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 11:
51 goes into 50 0 times with a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 11405.2745
Subtracting 0 from 50 leaves us with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 12:
The number 51 fits into 500 9 times, leaving a remainder of 41.
Record the quotient 9 as the next digit in the result. 
Result so far: 11405.274509
If we subtract 459 from 500, we get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

On to step 13:
51 goes into 410 8 times with a remainder of 2.
The number 8 becomes the next digit in our result. 
Result so far: 11405.2745098
The remainder is 2 after subtracting 408 from 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 14:
20 divided by 51 is 0 with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 11405.2745098
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final result is 11405.2745098 with a remainder of 2e-08.