The number 27244
27244 is a composite number with 18 divisors. Its prime factorisation is × × 139. Divisors (18): 1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 973, 1946, 3892, 6811 … 27244.
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How to work it out
- 1
27244 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27244 is composite. Its prime factorisation is
- 3
The divisors add up to 55860; without 27244 itself that is 28616, so 27244 is abundant (28616 is more than 27244). Euler's totient φ(27244) = 11592 numbers up to 27244 share no factor with it.
- 4
The digits of 27244 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 95 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27244 = 2^{2} \times 7^{2} \times 139 \]27244 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 18 |
| Sum of divisors | 55860 |
| Euler totient φ(n) | 11592 |
| Square | 742235536 |
| Cube | 20221464942784 |
| Square root | 165.057566 (= 14√139) |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 95 |
| Scientific notation | 2.7244 × |
27244 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand two hundred and forty-four |
| Binary (base 2) | 110101001101100 |
| Octal (base 8) | 65154 |
| Hexadecimal (base 16) | 6A6C |
| Base 3 | 1101101001 |
| As time | 27244 seconds = 7 h 34 min 4 s |
Is 27244 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27244 ÷ 2 = 13622) | 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 (27244 ÷ 4 = 6811) | 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 | Yes (27244 ÷ 7 = 3892) | 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | 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 8) | 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 27244 a prime number?
No. 27244 = × × 139, so it is divisible by 2.
What are the factors of 27244?
1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 973, 1946, 3892, 6811, 13622, 27244.
What is 27244 in binary?
110101001101100 (hexadecimal 6A6C, octal 65154).
What is the square root of 27244?
About 165.0576, exactly 14√139.
Is 27244 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 27244?
It is a composite number with 18 divisors.