The number 27448
27448 is a composite number with 16 divisors. Its prime factorisation is × 47 × 73. Divisors (16): 1, 2, 4, 8, 47, 73, 94, 146, 188, 292, 376, 584, 3431, 6862, 13724, 27448.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27448 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27448 is composite. Its prime factorisation is
- 3
The divisors add up to 53280; without 27448 itself that is 25832, so 27448 is deficient (25832 is less than 27448). Euler's totient φ(27448) = 13248 numbers up to 27448 share no factor with it.
- 4
The digits of 27448 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 121 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27448 = 2^{3} \times 47 \times 73 \]27448 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 53280 |
| Euler totient φ(n) | 13248 |
| Square | 753392704 |
| Cube | 20679122939392 |
| Square root | 165.674379 (= 2√6862) |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 121 |
| Scientific notation | 2.7448 × |
27448 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand four hundred and forty-eight |
| Binary (base 2) | 110101100111000 |
| Octal (base 8) | 65470 |
| Hexadecimal (base 16) | 6B38 |
| Base 3 | 1101122121 |
| As time | 27448 seconds = 7 h 37 min 28 s |
Is 27448 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27448 ÷ 2 = 13724) | 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 | Yes (27448 ÷ 4 = 6862) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 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 | Yes (27448 ÷ 8 = 3431) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27448 a prime number?
No. 27448 = × 47 × 73, so it is divisible by 2.
What are the factors of 27448?
1, 2, 4, 8, 47, 73, 94, 146, 188, 292, 376, 584, 3431, 6862, 13724, 27448.
What is 27448 in binary?
110101100111000 (hexadecimal 6B38, octal 65470).
What is the square root of 27448?
About 165.6744, exactly 2√6862.
Is 27448 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 27448?
It is a composite number with 16 divisors.