The number 61324
61324 is a composite number with 6 divisors. Its prime factorisation is × 15331. Divisors (6): 1, 2, 4, 15331, 30662, 61324.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
61324 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
61324 is composite. Its prime factorisation is
- 3
The divisors add up to 107324; without 61324 itself that is 46000, so 61324 is deficient (46000 is less than 61324). Euler's totient φ(61324) = 30660 numbers up to 61324 share no factor with it.
- 4
The digits of 61324 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 60 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61324 = 2^{2} \times 15331 \]61324 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 107324 |
| Euler totient φ(n) | 30660 |
| Square | 3760632976 |
| Cube | 230617056620224 |
| Square root | 247.636831 (= 2√15331) |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 60 |
| Scientific notation | 6.1324 × |
61324 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand three hundred and twenty-four |
| Binary (base 2) | 1110111110001100 |
| Octal (base 8) | 167614 |
| Hexadecimal (base 16) | EF8C |
| Base 3 | 10010010021 |
| As time | 61324 seconds = 17 h 2 min 4 s |
Is 61324 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (61324 ÷ 2 = 30662) | 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 (61324 ÷ 4 = 15331) | 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 4) | 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 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 10) | 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 61324 a prime number?
No. 61324 = × 15331, so it is divisible by 2.
What are the factors of 61324?
1, 2, 4, 15331, 30662, 61324.
What is 61324 in binary?
1110111110001100 (hexadecimal EF8C, octal 167614).
What is the square root of 61324?
About 247.6368, exactly 2√15331.
Is 61324 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 61324?
It is a composite number with 6 divisors.