The number 37042
37042 is a composite number with 4 divisors. Its prime factorisation is 2 × 18521. Divisors (4): 1, 2, 18521, 37042.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 37042: a semiprime: 2 × 18521, the product of two primes.
- 2
37042 is composite. Its prime factorisation is
- 3
The divisors add up to 55566; without 37042 itself that is 18524, so 37042 is deficient (18524 is less than 37042). Euler's totient φ(37042) = 18520 numbers up to 37042 share no factor with it.
- 4
The digits of 37042 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 49 steps to reach 1.
LaTeX source of the formulas on this page
\[ 37042 = 2 \times 18521 \]
37042 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 55566 |
| Euler totient φ(n) | 18520 |
| Square | 1372109764 |
| Cube | 50825689878088 |
| Square root | 192.462983 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 49 |
| Scientific notation | 3.7042 × |
37042 in other forms
| Form | Value |
|---|---|
| In words | thirty-seven thousand and forty-two |
| Binary (base 2) | 1001000010110010 |
| Octal (base 8) | 110262 |
| Hexadecimal (base 16) | 90B2 |
| Base 3 | 1212210221 |
| As time | 37042 seconds = 10 h 17 min 22 s |
Is 37042 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (37042 ÷ 2 = 18521) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 37042 a prime number?
No. 37042 = 2 × 18521, so it is divisible by 2.
What are the factors of 37042?
1, 2, 18521, 37042.
What is 37042 in binary?
1001000010110010 (hexadecimal 90B2, octal 110262).
What is the square root of 37042?
About 192.4630.
Is 37042 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 37042?
37042 is a semiprime: 2 × 18521, the product of two primes.