The number 37109
37109 is a composite number with 4 divisors. Its prime factorisation is 43 × 863. Divisors (4): 1, 43, 863, 37109.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 37109: a semiprime: 43 × 863, the product of two primes.
- 2
37109 is composite. Its prime factorisation is
- 3
The divisors add up to 38016; without 37109 itself that is 907, so 37109 is deficient (907 is less than 37109). Euler's totient φ(37109) = 36204 numbers up to 37109 share no factor with it.
- 4
The digits of 37109 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 62 steps to reach 1.
LaTeX source of the formulas on this page
\[ 37109 = 43 \times 863 \]
37109 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 38016 |
| Euler totient φ(n) | 36204 |
| Square | 1377077881 |
| Cube | 51101983086029 |
| Square root | 192.636964 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 62 |
| Scientific notation | 3.7109 × |
37109 in other forms
| Form | Value |
|---|---|
| In words | thirty-seven thousand one hundred and nine |
| Binary (base 2) | 1001000011110101 |
| Octal (base 8) | 110365 |
| Hexadecimal (base 16) | 90F5 |
| Base 3 | 1212220102 |
| As time | 37109 seconds = 10 h 18 min 29 s |
Is 37109 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 37109 a prime number?
No. 37109 = 43 × 863, so it is divisible by 43.
What are the factors of 37109?
1, 43, 863, 37109.
What is 37109 in binary?
1001000011110101 (hexadecimal 90F5, octal 110365).
What is the square root of 37109?
About 192.6370.
Is 37109 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 37109?
37109 is a semiprime: 43 × 863, the product of two primes.