We divide 31849160 by 86
The aim is to understand the frequency of 86 in 31849160.

Moving on to step 1:
If we divide 3 by 86, we get 0 and a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Include the next digit (1) from the dividend after 3, then repeat: 31 / 86

Advancing to step 2:
The number 86 fits into 31 0 times, leaving a remainder of 31.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 31 and we're left with 31.
Fetch the next digit (8) from the dividend, attach it to 31 and continue: 318 / 86

Moving on to step 3:
86 goes into 318 3 times with a remainder of 60.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtract 258 from 318 to get 60.
Include the next digit (4) from the dividend after 60, then repeat: 604 / 86

Going ahead to step 4:
If we divide 604 by 86, we get 7 and a remainder of 2.
The number 7 becomes the next digit in our result. 
Result so far: 37.0
Subtract 602 from 604 to get 2.
Take the next digit (9) from the dividend and append it to 2, then repeat: 29 / 86

Advancing to step 5:
The number 86 fits into 29 0 times, leaving a remainder of 29.
Put 0 as the next digit of the answer. 
Result so far: 370.0
If we subtract 0 from 29, we get 29.
Fetch the next digit (1) from the dividend, attach it to 29 and continue: 291 / 86

Advancing to step 6:
The number 86 fits into 291 3 times, leaving a remainder of 33.
Use 3 as the next digit of our solution. 
Result so far: 3703.0
Deduct 258 from 291 and we're left with 33.
Fetch the next digit (6) from the dividend, attach it to 33 and continue: 336 / 86

Advancing to step 7:
86 can be fit into 336 3 times, resulting in a remainder of 78.
Record the quotient 3 as the next digit in the result. 
Result so far: 37033.0
Subtracting 258 from 336 leaves us with 78.
Bring next digit (0) of the dividend behind the 78 and repeat the process: 780 / 86

Let's proceed to step 8:
When dividing 780 by 86, we get 9 with a remainder of 6.
Use 9 as the next digit of our solution. 
Result so far: 370339.0
If we subtract 774 from 780, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 9:
60 divided by 86 is 0 with a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 370339.0
Subtracting 0 from 60 leaves us with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Let's proceed to step 10:
If we divide 600 by 86, we get 6 and a remainder of 84.
Use 6 as the next digit of our solution. 
Result so far: 370339.06
Subtracting 516 from 600 leaves us with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Moving on to step 11:
If we divide 840 by 86, we get 9 and a remainder of 66.
Record the quotient 9 as the next digit in the result. 
Result so far: 370339.069
Subtract 774 from 840 to get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

On to step 12:
86 can be fit into 660 7 times, resulting in a remainder of 58.
Record the quotient 7 as the next digit in the result. 
Result so far: 370339.0697
Subtracting 602 from 660 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Going ahead to step 13:
When dividing 580 by 86, we get 6 with a remainder of 64.
The next digit of our result is 6. 
Result so far: 370339.06976
Deduct 516 from 580 and we're left with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 14:
640 divided by 86 is 7 with a remainder of 38.
The next digit of our result is 7. 
Result so far: 370339.069767
If we take 602 away from 640, we end up with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 15:
86 can be fit into 380 4 times, resulting in a remainder of 36.
The next digit of our result is 4. 
Result so far: 370339.0697674
Subtract 344 from 380 to get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

On to step 16:
If we divide 360 by 86, we get 4 and a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 370339.06976744
If we take 344 away from 360, we end up 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.

The final result is 370339.06976744 with a remainder of 1.6e-08.