85586934 divided by 210 
The aim is to understand the frequency of 210 in 85586934.

Advancing to step 1:
8 divided by 210 is 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (5) from the dividend, attach it to 8 and continue: 85 / 210

Going ahead to step 2:
The number 210 fits into 85 0 times, leaving a remainder of 85.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 85 after subtracting 0 from 85.
Fetch the next digit (5) from the dividend, attach it to 85 and continue: 855 / 210

Step 3:
The number 210 fits into 855 4 times, leaving a remainder of 15.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
Subtracting 840 from 855 leaves us with 15.
Grab the next digit (8) from the dividend, add it to 15, then carry on: 158 / 210

Step 4:
210 can be fit into 158 0 times, resulting in a remainder of 158.
Use 0 as the next digit of our solution. 
Result so far: 40.0
Subtract 0 from 158 to get 158.
Append the next digit (6) from the dividend to 158 and continue with: 1586 / 210

Let's proceed to step 5:
When dividing 1586 by 210, we get 7 with a remainder of 116.
Put 7 as the next digit of the answer. 
Result so far: 407.0
Subtracting 1470 from 1586 leaves us with 116.
Include the next digit (9) from the dividend after 116, then repeat: 1169 / 210

Advancing to step 6:
210 can be fit into 1169 5 times, resulting in a remainder of 119.
Use 5 as the next digit of our solution. 
Result so far: 4075.0
The remainder is 119 after subtracting 1050 from 1169.
Grab the next digit (3) from the dividend, add it to 119, then carry on: 1193 / 210

On to step 7:
1193 divided by 210 is 5 with a remainder of 143.
Record the quotient 5 as the next digit in the result. 
Result so far: 40755.0
The remainder is 143 after subtracting 1050 from 1193.
Include the next digit (4) from the dividend after 143, then repeat: 1434 / 210

Advancing to step 8:
The number 210 fits into 1434 6 times, leaving a remainder of 174.
Put 6 as the next digit of the answer. 
Result so far: 407556.0
Subtracting 1260 from 1434 leaves us with 174.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1740, and continue the process.

Moving on to step 9:
The number 210 fits into 1740 8 times, leaving a remainder of 60.
The next digit of our result is 8. 
Result so far: 407556.8
Subtracting 1680 from 1740 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.

On to step 10:
The number 210 fits into 600 2 times, leaving a remainder of 180.
The number 2 becomes the next digit in our result. 
Result so far: 407556.82
The remainder is 180 after subtracting 420 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Advancing to step 11:
1800 divided by 210 is 8 with a remainder of 120.
Put 8 as the next digit of the answer. 
Result so far: 407556.828
Subtract 1680 from 1800 to get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Let's proceed to step 12:
When dividing 1200 by 210, we get 5 with a remainder of 150.
Record the quotient 5 as the next digit in the result. 
Result so far: 407556.8285
Deduct 1050 from 1200 and we're left with 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

On to step 13:
The number 210 fits into 1500 7 times, leaving a remainder of 30.
The number 7 becomes the next digit in our result. 
Result so far: 407556.82857
Deduct 1470 from 1500 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 14:
If we divide 300 by 210, we get 1 and a remainder of 90.
Write down 1 as next digit of the result. 
Result so far: 407556.828571
Deduct 210 from 300 and we're left with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Going ahead to step 15:
210 goes into 900 4 times with a remainder of 60.
Use 4 as the next digit of our solution. 
Result so far: 407556.8285714
Deduct 840 from 900 and we're left 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.

Step 16:
210 can be fit into 600 2 times, resulting in a remainder of 180.
Record the quotient 2 as the next digit in the result. 
Result so far: 407556.82857142
Deduct 420 from 600 and we're left with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Our division results in 407556.82857142 with a remaining 1.8e-07.