The number 37939
37939 is a composite number with 4 divisors. Its prime factorisation is 11 × 3449. Divisors (4): 1, 11, 3449, 37939.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 37939: a semiprime: 11 × 3449, the product of two primes.
- 2
37939 is composite. Its prime factorisation is
- 3
The divisors add up to 41400; without 37939 itself that is 3461, so 37939 is deficient (3461 is less than 37939). Euler's totient φ(37939) = 34480 numbers up to 37939 share no factor with it.
- 4
The digits of 37939 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 54 steps to reach 1.
LaTeX source of the formulas on this page
\[ 37939 = 11 \times 3449 \]
37939 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41400 |
| Euler totient φ(n) | 34480 |
| Square | 1439367721 |
| Cube | 54608171967019 |
| Square root | 194.779362 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 54 |
| Scientific notation | 3.7939 × |
37939 in other forms
| Form | Value |
|---|---|
| In words | thirty-seven thousand nine hundred and thirty-nine |
| Binary (base 2) | 1001010000110011 |
| Octal (base 8) | 112063 |
| Hexadecimal (base 16) | 9433 |
| Base 3 | 1221001011 |
| As time | 37939 seconds = 10 h 32 min 19 s |
Is 37939 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 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 | Yes (37939 ÷ 11 = 3449) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 37939 a prime number?
No. 37939 = 11 × 3449, so it is divisible by 11.
What are the factors of 37939?
1, 11, 3449, 37939.
What is 37939 in binary?
1001010000110011 (hexadecimal 9433, octal 112063).
What is the square root of 37939?
About 194.7794.
Is 37939 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 37939?
37939 is a semiprime: 11 × 3449, the product of two primes.