The number 58491
58491 is a composite number with 12 divisors. Its prime factorisation is × 67 × 97. Divisors (12): 1, 3, 9, 67, 97, 201, 291, 603, 873, 6499, 19497, 58491.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
58491 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
58491 is composite. Its prime factorisation is
- 3
The divisors add up to 86632; without 58491 itself that is 28141, so 58491 is deficient (28141 is less than 58491). Euler's totient φ(58491) = 38016 numbers up to 58491 share no factor with it.
- 4
The digits of 58491 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 47 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58491 = 3^{2} \times 67 \times 97 \]58491 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 86632 |
| Euler totient φ(n) | 38016 |
| Square | 3421197081 |
| Cube | 200109238464771 |
| Square root | 241.849127 (= 3√6499) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 47 |
| Scientific notation | 5.8491 × |
58491 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand four hundred and ninety-one |
| Binary (base 2) | 1110010001111011 |
| Octal (base 8) | 162173 |
| Hexadecimal (base 16) | E47B |
| Base 3 | 2222020100 |
| As time | 58491 seconds = 16 h 14 min 51 s |
Is 58491 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 (58491 ÷ 3 = 19497) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 3) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (58491 ÷ 9 = 6499) | 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 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58491 a prime number?
No. 58491 = × 67 × 97, so it is divisible by 3.
What are the factors of 58491?
1, 3, 9, 67, 97, 201, 291, 603, 873, 6499, 19497, 58491.
What is 58491 in binary?
1110010001111011 (hexadecimal E47B, octal 162173).
What is the square root of 58491?
About 241.8491, exactly 3√6499.
Is 58491 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 58491?
It is a composite number with 12 divisors.