The number 24118
24118 is a composite number with 8 divisors. Its prime factorisation is 2 × 31 × 389. Divisors (8): 1, 2, 31, 62, 389, 778, 12059, 24118.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24118: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
24118 is composite. Its prime factorisation is
- 3
The divisors add up to 37440; without 24118 itself that is 13322, so 24118 is deficient (13322 is less than 24118). Euler's totient φ(24118) = 11640 numbers up to 24118 share no factor with it.
- 4
The digits of 24118 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 188 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24118 = 2 \times 31 \times 389 \]
24118 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 37440 |
| Euler totient φ(n) | 11640 |
| Square | 581677924 |
| Cube | 14028908171032 |
| Square root | 155.299710 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 188 |
| Scientific notation | 2.4118 × |
24118 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand one hundred and eighteen |
| Binary (base 2) | 101111000110110 |
| Octal (base 8) | 57066 |
| Hexadecimal (base 16) | 5E36 |
| Base 3 | 1020002021 |
| As time | 24118 seconds = 6 h 41 min 58 s |
Is 24118 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24118 ÷ 2 = 12059) | 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 | 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 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 6) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24118 a prime number?
No. 24118 = 2 × 31 × 389, so it is divisible by 2.
What are the factors of 24118?
1, 2, 31, 62, 389, 778, 12059, 24118.
What is 24118 in binary?
101111000110110 (hexadecimal 5E36, octal 57066).
What is the square root of 24118?
About 155.2997.
Is 24118 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 24118?
24118 is a happy number: repeatedly adding the squares of its digits reaches 1.