37166930 ÷ 409 
Let's see how many times 409 fits into 37166930.

Going ahead to step 1:
409 can be fit into 3 0 times, resulting in a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Grab the next digit (7) from the dividend, add it to 3, then carry on: 37 / 409

Let's proceed to step 2:
409 goes into 37 0 times with a remainder of 37.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 37 and we're left with 37.
Grab the next digit (1) from the dividend, add it to 37, then carry on: 371 / 409

Going ahead to step 3:
409 goes into 371 0 times with a remainder of 371.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 371 leaves us with 371.
Include the next digit (6) from the dividend after 371, then repeat: 3716 / 409

Going ahead to step 4:
The number 409 fits into 3716 9 times, leaving a remainder of 35.
Put 9 as the next digit of the answer. 
Result so far: 9.0
If we subtract 3681 from 3716, we get 35.
Append the next digit (6) from the dividend to 35 and continue with: 356 / 409

Going ahead to step 5:
When dividing 356 by 409, we get 0 with a remainder of 356.
Record the quotient 0 as the next digit in the result. 
Result so far: 90.0
If we take 0 away from 356, we end up with 356.
Fetch the next digit (9) from the dividend, attach it to 356 and continue: 3569 / 409

Moving on to step 6:
409 can be fit into 3569 8 times, resulting in a remainder of 297.
The next digit of our result is 8. 
Result so far: 908.0
The remainder is 297 after subtracting 3272 from 3569.
Include the next digit (3) from the dividend after 297, then repeat: 2973 / 409

Moving on to step 7:
2973 divided by 409 is 7 with a remainder of 110.
The number 7 becomes the next digit in our result. 
Result so far: 9087.0
Subtract 2863 from 2973 to get 110.
Append the next digit (0) from the dividend to 110 and continue with: 1100 / 409

Advancing to step 8:
The number 409 fits into 1100 2 times, leaving a remainder of 282.
Write down 2 as next digit of the result. 
Result so far: 90872.0
Subtracting 818 from 1100 leaves us with 282.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2820, and continue the process.

Step 9:
409 can be fit into 2820 6 times, resulting in a remainder of 366.
Use 6 as the next digit of our solution. 
Result so far: 90872.6
Deduct 2454 from 2820 and we're left with 366.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3660, and continue the process.

Going ahead to step 10:
If we divide 3660 by 409, we get 8 and a remainder of 388.
Use 8 as the next digit of our solution. 
Result so far: 90872.68
If we take 3272 away from 3660, we end up with 388.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3880, and continue the process.

Let's proceed to step 11:
The number 409 fits into 3880 9 times, leaving a remainder of 199.
Put 9 as the next digit of the answer. 
Result so far: 90872.689
If we subtract 3681 from 3880, we get 199.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1990, and continue the process.

Advancing to step 12:
When dividing 1990 by 409, we get 4 with a remainder of 354.
Record the quotient 4 as the next digit in the result. 
Result so far: 90872.6894
If we take 1636 away from 1990, we end up with 354.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3540, and continue the process.

Step 13:
409 goes into 3540 8 times with a remainder of 268.
Use 8 as the next digit of our solution. 
Result so far: 90872.68948
If we take 3272 away from 3540, we end up with 268.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

Let's proceed to step 14:
409 can be fit into 2680 6 times, resulting in a remainder of 226.
Record the quotient 6 as the next digit in the result. 
Result so far: 90872.689486
If we subtract 2454 from 2680, we get 226.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2260, and continue the process.

Step 15:
If we divide 2260 by 409, we get 5 and a remainder of 215.
Use 5 as the next digit of our solution. 
Result so far: 90872.6894865
If we subtract 2045 from 2260, we get 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Step 16:
2150 divided by 409 is 5 with a remainder of 105.
Put 5 as the next digit of the answer. 
Result so far: 90872.68948655
The remainder is 105 after subtracting 2045 from 2150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1050, and continue the process.

After the division, we end up with 90872.68948655 and a remainder of 1.05e-07.