The number 27049
27049 is a composite number with 4 divisors. Its prime factorisation is 11 × 2459. Divisors (4): 1, 11, 2459, 27049.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27049: a semiprime: 11 × 2459, the product of two primes.
- 2
27049 is composite. Its prime factorisation is
- 3
The divisors add up to 29520; without 27049 itself that is 2471, so 27049 is deficient (2471 is less than 27049). Euler's totient φ(27049) = 24580 numbers up to 27049 share no factor with it.
- 4
The digits of 27049 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 121 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27049 = 11 \times 2459 \]
27049 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 29520 |
| Euler totient φ(n) | 24580 |
| Square | 731648401 |
| Cube | 19790357598649 |
| Square root | 164.465802 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 121 |
| Scientific notation | 2.7049 × |
27049 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand and forty-nine |
| Binary (base 2) | 110100110101001 |
| Octal (base 8) | 64651 |
| Hexadecimal (base 16) | 69A9 |
| Base 3 | 1101002211 |
| As time | 27049 seconds = 7 h 30 min 49 s |
Is 27049 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 1) | 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 (27049 ÷ 11 = 2459) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27049 a prime number?
No. 27049 = 11 × 2459, so it is divisible by 11.
What are the factors of 27049?
1, 11, 2459, 27049.
What is 27049 in binary?
110100110101001 (hexadecimal 69A9, octal 64651).
What is the square root of 27049?
About 164.4658.
Is 27049 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 27049?
27049 is a semiprime: 11 × 2459, the product of two primes.