The number 58091
58091 is a composite number with 4 divisors. Its prime factorisation is 11 × 5281. Divisors (4): 1, 11, 5281, 58091.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 58091: a semiprime: 11 × 5281, the product of two primes.
- 2
58091 is composite. Its prime factorisation is
- 3
The divisors add up to 63384; without 58091 itself that is 5293, so 58091 is deficient (5293 is less than 58091). Euler's totient φ(58091) = 52800 numbers up to 58091 share no factor with it.
- 4
The digits of 58091 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58091 = 11 \times 5281 \]
58091 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 63384 |
| Euler totient φ(n) | 52800 |
| Square | 3374564281 |
| Cube | 196031813647571 |
| Square root | 241.020746 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 73 |
| Scientific notation | 5.8091 × |
58091 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand and ninety-one |
| Binary (base 2) | 1110001011101011 |
| Octal (base 8) | 161353 |
| Hexadecimal (base 16) | E2EB |
| Base 3 | 2221200112 |
| As time | 58091 seconds = 16 h 8 min 11 s |
Is 58091 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 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 | No (remainder 5) | 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 (58091 ÷ 11 = 5281) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58091 a prime number?
No. 58091 = 11 × 5281, so it is divisible by 11.
What are the factors of 58091?
1, 11, 5281, 58091.
What is 58091 in binary?
1110001011101011 (hexadecimal E2EB, octal 161353).
What is the square root of 58091?
About 241.0207.
Is 58091 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 58091?
58091 is a semiprime: 11 × 5281, the product of two primes.