573800 divided by 86 
The aim is to understand the frequency of 86 in 573800.

Advancing to step 1:
If we divide 5 by 86, we get 0 and a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Fetch the next digit (7) from the dividend, attach it to 5 and continue: 57 / 86

Let's proceed to step 2:
57 divided by 86 is 0 with a remainder of 57.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 57 and we're left with 57.
Bring next digit (3) of the dividend behind the 57 and repeat the process: 573 / 86

On to step 3:
If we divide 573 by 86, we get 6 and a remainder of 57.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Subtract 516 from 573 to get 57.
Append the next digit (8) from the dividend to 57 and continue with: 578 / 86

Step 4:
If we divide 578 by 86, we get 6 and a remainder of 62.
Write down 6 as next digit of the result. 
Result so far: 66.0
Deduct 516 from 578 and we're left with 62.
Append the next digit (0) from the dividend to 62 and continue with: 620 / 86

Let's proceed to step 5:
The number 86 fits into 620 7 times, leaving a remainder of 18.
The number 7 becomes the next digit in our result. 
Result so far: 667.0
Subtract 602 from 620 to get 18.
Append the next digit (0) from the dividend to 18 and continue with: 180 / 86

Step 6:
If we divide 180 by 86, we get 2 and a remainder of 8.
The number 2 becomes the next digit in our result. 
Result so far: 6672.0
If we take 172 away from 180, we end up 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.

On to step 7:
If we divide 80 by 86, we get 0 and a remainder of 80.
Use 0 as the next digit of our solution. 
Result so far: 6672.0
If we take 0 away from 80, we end up with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Going ahead to step 8:
800 divided by 86 is 9 with a remainder of 26.
Write down 9 as next digit of the result. 
Result so far: 6672.09
The remainder is 26 after subtracting 774 from 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 9:
86 can be fit into 260 3 times, resulting in a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 6672.093
If we subtract 258 from 260, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 10:
86 can be fit into 20 0 times, resulting in a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 6672.093
Subtract 0 from 20 to 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.

Advancing to step 11:
When dividing 200 by 86, we get 2 with a remainder of 28.
The next digit of our result is 2. 
Result so far: 6672.09302
The remainder is 28 after subtracting 172 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 12:
280 divided by 86 is 3 with a remainder of 22.
Put 3 as the next digit of the answer. 
Result so far: 6672.093023
If we take 258 away from 280, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 13:
The number 86 fits into 220 2 times, leaving a remainder of 48.
Record the quotient 2 as the next digit in the result. 
Result so far: 6672.0930232
Subtracting 172 from 220 leaves us 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.

Let's proceed to step 14:
The number 86 fits into 480 5 times, leaving a remainder of 50.
Write down 5 as next digit of the result. 
Result so far: 6672.09302325
If we subtract 430 from 480, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

The final result is 6672.09302325 with a remainder of 5e-08.