The number 27039
27039 is a composite number with 4 divisors. Its prime factorisation is 3 × 9013. Divisors (4): 1, 3, 9013, 27039.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27039: a semiprime: 3 × 9013, the product of two primes.
- 2
27039 is composite. Its prime factorisation is
- 3
The divisors add up to 36056; without 27039 itself that is 9017, so 27039 is deficient (9017 is less than 27039). Euler's totient φ(27039) = 18024 numbers up to 27039 share no factor with it.
- 4
The digits of 27039 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27039 = 3 \times 9013 \]
27039 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 36056 |
| Euler totient φ(n) | 18024 |
| Square | 731107521 |
| Cube | 19768416260319 |
| Square root | 164.435398 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 64 |
| Scientific notation | 2.7039 × |
27039 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand and thirty-nine |
| Binary (base 2) | 110100110011111 |
| Octal (base 8) | 64637 |
| Hexadecimal (base 16) | 699F |
| Base 3 | 1101002110 |
| As time | 27039 seconds = 7 h 30 min 39 s |
Is 27039 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 | Yes (27039 ÷ 3 = 9013) | 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 3) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | 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 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27039 a prime number?
No. 27039 = 3 × 9013, so it is divisible by 3.
What are the factors of 27039?
1, 3, 9013, 27039.
What is 27039 in binary?
110100110011111 (hexadecimal 699F, octal 64637).
What is the square root of 27039?
About 164.4354.
Is 27039 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 27039?
27039 is a semiprime: 3 × 9013, the product of two primes.