The number 24149
24149 is a composite number with 8 divisors. Its prime factorisation is 19 × 31 × 41. Divisors (8): 1, 19, 31, 41, 589, 779, 1271, 24149.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
24149 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24149 is composite. Its prime factorisation is
- 3
The divisors add up to 26880; without 24149 itself that is 2731, so 24149 is deficient (2731 is less than 24149). Euler's totient φ(24149) = 21600 numbers up to 24149 share no factor with it.
- 4
The digits of 24149 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 69 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24149 = 19 \times 31 \times 41 \]
24149 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 26880 |
| Euler totient φ(n) | 21600 |
| Square | 583174201 |
| Cube | 14083073779949 |
| Square root | 155.399485 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 69 |
| Scientific notation | 2.4149 × |
24149 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand one hundred and forty-nine |
| Binary (base 2) | 101111001010101 |
| Octal (base 8) | 57125 |
| Hexadecimal (base 16) | 5E55 |
| Base 3 | 1020010102 |
| As time | 24149 seconds = 6 h 42 min 29 s |
Is 24149 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 | No (remainder 2) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24149 a prime number?
No. 24149 = 19 × 31 × 41, so it is divisible by 19.
What are the factors of 24149?
1, 19, 31, 41, 589, 779, 1271, 24149.
What is 24149 in binary?
101111001010101 (hexadecimal 5E55, octal 57125).
What is the square root of 24149?
About 155.3995.
Is 24149 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 24149?
It is a composite number with 8 divisors.