The number 27446
27446 is a composite number with 4 divisors. Its prime factorisation is 2 × 13723. Divisors (4): 1, 2, 13723, 27446.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27446: a semiprime: 2 × 13723, the product of two primes.
- 2
27446 is composite. Its prime factorisation is
- 3
The divisors add up to 41172; without 27446 itself that is 13726, so 27446 is deficient (13726 is less than 27446). Euler's totient φ(27446) = 13722 numbers up to 27446 share no factor with it.
- 4
The digits of 27446 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 59 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27446 = 2 \times 13723 \]
27446 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41172 |
| Euler totient φ(n) | 13722 |
| Square | 753282916 |
| Cube | 20674602912536 |
| Square root | 165.668343 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 59 |
| Scientific notation | 2.7446 × |
27446 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand four hundred and forty-six |
| Binary (base 2) | 110101100110110 |
| Octal (base 8) | 65466 |
| Hexadecimal (base 16) | 6B36 |
| Base 3 | 1101122112 |
| As time | 27446 seconds = 7 h 37 min 26 s |
Is 27446 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27446 ÷ 2 = 13723) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27446 a prime number?
No. 27446 = 2 × 13723, so it is divisible by 2.
What are the factors of 27446?
1, 2, 13723, 27446.
What is 27446 in binary?
110101100110110 (hexadecimal 6B36, octal 65466).
What is the square root of 27446?
About 165.6683.
Is 27446 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 27446?
27446 is a semiprime: 2 × 13723, the product of two primes.