The number 24101
24101 is a composite number with 8 divisors. Its prime factorisation is 7 × 11 × 313. Divisors (8): 1, 7, 11, 77, 313, 2191, 3443, 24101.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
24101 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24101 is composite. Its prime factorisation is
- 3
The divisors add up to 30144; without 24101 itself that is 6043, so 24101 is deficient (6043 is less than 24101). Euler's totient φ(24101) = 18720 numbers up to 24101 share no factor with it.
- 4
The digits of 24101 add up to 8, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 95 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24101 = 7 \times 11 \times 313 \]
24101 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 30144 |
| Euler totient φ(n) | 18720 |
| Square | 580858201 |
| Cube | 13999263502301 |
| Square root | 155.244968 |
| Digit sum / digital root | 8 / 8 |
| Collatz steps to 1 | 95 |
| Scientific notation | 2.4101 × |
24101 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand one hundred and one |
| Binary (base 2) | 101111000100101 |
| Octal (base 8) | 57045 |
| Hexadecimal (base 16) | 5E25 |
| Base 3 | 1020001122 |
| As time | 24101 seconds = 6 h 41 min 41 s |
Is 24101 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 1) | 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 | Yes (24101 ÷ 7 = 3443) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (24101 ÷ 11 = 2191) | 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 24101 a prime number?
No. 24101 = 7 × 11 × 313, so it is divisible by 7.
What are the factors of 24101?
1, 7, 11, 77, 313, 2191, 3443, 24101.
What is 24101 in binary?
101111000100101 (hexadecimal 5E25, octal 57045).
What is the square root of 24101?
About 155.2450.
Is 24101 divisible by 3?
No. Its digits add up to 8, which is not a multiple of 3.
What is special about the number 24101?
It is a composite number with 8 divisors.