The number 24018
24018 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 4003. Divisors (8): 1, 2, 3, 6, 4003, 8006, 12009, 24018.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
24018 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24018 is composite. Its prime factorisation is
- 3
The divisors add up to 48048; without 24018 itself that is 24030, so 24018 is abundant (24030 is more than 24018). Euler's totient φ(24018) = 8004 numbers up to 24018 share no factor with it.
- 4
The digits of 24018 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 82 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24018 = 2 \times 3 \times 4003 \]
24018 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 48048 |
| Euler totient φ(n) | 8004 |
| Square | 576864324 |
| Cube | 13855127333832 |
| Square root | 154.977418 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 82 |
| Scientific notation | 2.4018 × |
24018 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand and eighteen |
| Binary (base 2) | 101110111010010 |
| Octal (base 8) | 56722 |
| Hexadecimal (base 16) | 5DD2 |
| Base 3 | 1012221120 |
| As time | 24018 seconds = 6 h 40 min 18 s |
Is 24018 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24018 ÷ 2 = 12009) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (24018 ÷ 3 = 8006) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | 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 | Yes (24018 ÷ 6 = 4003) | 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 | No (remainder 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24018 a prime number?
No. 24018 = 2 × 3 × 4003, so it is divisible by 2.
What are the factors of 24018?
1, 2, 3, 6, 4003, 8006, 12009, 24018.
What is 24018 in binary?
101110111010010 (hexadecimal 5DD2, octal 56722).
What is the square root of 24018?
About 154.9774.
Is 24018 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 24018?
It is a composite number with 8 divisors.