19639590 ÷ 287 
The aim is to understand the frequency of 287 in 19639590.

Advancing to step 1:
When dividing 1 by 287, we get 0 with a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Grab the next digit (9) from the dividend, add it to 1, then carry on: 19 / 287

Going ahead to step 2:
If we divide 19 by 287, we get 0 and a remainder of 19.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 19 to get 19.
Include the next digit (6) from the dividend after 19, then repeat: 196 / 287

Going ahead to step 3:
196 divided by 287 is 0 with a remainder of 196.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 196 to get 196.
Bring next digit (3) of the dividend behind the 196 and repeat the process: 1963 / 287

Moving on to step 4:
If we divide 1963 by 287, we get 6 and a remainder of 241.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Deduct 1722 from 1963 and we're left with 241.
Fetch the next digit (9) from the dividend, attach it to 241 and continue: 2419 / 287

Step 5:
The number 287 fits into 2419 8 times, leaving a remainder of 123.
Record the quotient 8 as the next digit in the result. 
Result so far: 68.0
Deduct 2296 from 2419 and we're left with 123.
Take the next digit (5) from the dividend and append it to 123, then repeat: 1235 / 287

Advancing to step 6:
287 goes into 1235 4 times with a remainder of 87.
The number 4 becomes the next digit in our result. 
Result so far: 684.0
Subtract 1148 from 1235 to get 87.
Bring next digit (9) of the dividend behind the 87 and repeat the process: 879 / 287

Moving on to step 7:
If we divide 879 by 287, we get 3 and a remainder of 18.
Write down 3 as next digit of the result. 
Result so far: 6843.0
If we subtract 861 from 879, we get 18.
Append the next digit (0) from the dividend to 18 and continue with: 180 / 287

Let's proceed to step 8:
If we divide 180 by 287, we get 0 and a remainder of 180.
Put 0 as the next digit of the answer. 
Result so far: 68430.0
The remainder is 180 after subtracting 0 from 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Let's proceed to step 9:
287 goes into 1800 6 times with a remainder of 78.
Use 6 as the next digit of our solution. 
Result so far: 68430.6
The remainder is 78 after subtracting 1722 from 1800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Going ahead to step 10:
When dividing 780 by 287, we get 2 with a remainder of 206.
Write down 2 as next digit of the result. 
Result so far: 68430.62
If we subtract 574 from 780, we get 206.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2060, and continue the process.

Moving on to step 11:
287 can be fit into 2060 7 times, resulting in a remainder of 51.
Put 7 as the next digit of the answer. 
Result so far: 68430.627
Subtract 2009 from 2060 to get 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Step 12:
When dividing 510 by 287, we get 1 with a remainder of 223.
Use 1 as the next digit of our solution. 
Result so far: 68430.6271
Deduct 287 from 510 and we're left with 223.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2230, and continue the process.

Moving on to step 13:
287 goes into 2230 7 times with a remainder of 221.
Put 7 as the next digit of the answer. 
Result so far: 68430.62717
The remainder is 221 after subtracting 2009 from 2230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2210, and continue the process.

Let's proceed to step 14:
The number 287 fits into 2210 7 times, leaving a remainder of 201.
Put 7 as the next digit of the answer. 
Result so far: 68430.627177
Subtracting 2009 from 2210 leaves us with 201.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2010, and continue the process.

Our division results in 68430.627177 with a remaining 2.01e-05.