The number 24969
24969 is a composite number with 16 divisors. Its prime factorisation is 3 × 7 × 29 × 41. Divisors (16): 1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 861, 1189, 3567, 8323, 24969.
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How to work it out
- 1
24969 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24969 is composite. Its prime factorisation is
- 3
The divisors add up to 40320; without 24969 itself that is 15351, so 24969 is deficient (15351 is less than 24969). Euler's totient φ(24969) = 13440 numbers up to 24969 share no factor with it.
- 4
The digits of 24969 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 51 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24969 = 3 \times 7 \times 29 \times 41 \]
24969 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 40320 |
| Euler totient φ(n) | 13440 |
| Square | 623450961 |
| Cube | 15566947045209 |
| Square root | 158.015822 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 51 |
| Scientific notation | 2.4969 × |
24969 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand nine hundred and sixty-nine |
| Binary (base 2) | 110000110001001 |
| Octal (base 8) | 60611 |
| Hexadecimal (base 16) | 6189 |
| Base 3 | 1021020210 |
| As time | 24969 seconds = 6 h 56 min 9 s |
Is 24969 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (24969 ÷ 3 = 8323) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (24969 ÷ 7 = 3567) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24969 a prime number?
No. 24969 = 3 × 7 × 29 × 41, so it is divisible by 3.
What are the factors of 24969?
1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 861, 1189, 3567, 8323, 24969.
What is 24969 in binary?
110000110001001 (hexadecimal 6189, octal 60611).
What is the square root of 24969?
About 158.0158.
Is 24969 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 24969?
It is a composite number with 16 divisors.