The number 27394
27394 is a composite number with 4 divisors. Its prime factorisation is 2 × 13697. Divisors (4): 1, 2, 13697, 27394.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27394: a semiprime: 2 × 13697, the product of two primes.
- 2
27394 is composite. Its prime factorisation is
- 3
The divisors add up to 41094; without 27394 itself that is 13700, so 27394 is deficient (13700 is less than 27394). Euler's totient φ(27394) = 13696 numbers up to 27394 share no factor with it.
- 4
The digits of 27394 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 152 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27394 = 2 \times 13697 \]
27394 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41094 |
| Euler totient φ(n) | 13696 |
| Square | 750431236 |
| Cube | 20557313278984 |
| Square root | 165.511329 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 152 |
| Scientific notation | 2.7394 × |
27394 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand three hundred and ninety-four |
| Binary (base 2) | 110101100000010 |
| Octal (base 8) | 65402 |
| Hexadecimal (base 16) | 6B02 |
| Base 3 | 1101120121 |
| As time | 27394 seconds = 7 h 36 min 34 s |
Is 27394 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27394 ÷ 2 = 13697) | 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 4) | 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 3) | 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 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | 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 27394 a prime number?
No. 27394 = 2 × 13697, so it is divisible by 2.
What are the factors of 27394?
1, 2, 13697, 27394.
What is 27394 in binary?
110101100000010 (hexadecimal 6B02, octal 65402).
What is the square root of 27394?
About 165.5113.
Is 27394 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 27394?
27394 is a semiprime: 2 × 13697, the product of two primes.