The number 58409
58409 is a composite number with 4 divisors. Its prime factorisation is 13 × 4493. Divisors (4): 1, 13, 4493, 58409.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 58409: a semiprime: 13 × 4493, the product of two primes.
- 2
58409 is composite. Its prime factorisation is
- 3
The divisors add up to 62916; without 58409 itself that is 4507, so 58409 is deficient (4507 is less than 58409). Euler's totient φ(58409) = 53904 numbers up to 58409 share no factor with it.
- 4
The digits of 58409 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 104 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58409 = 13 \times 4493 \]
58409 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 62916 |
| Euler totient φ(n) | 53904 |
| Square | 3411611281 |
| Cube | 199268803311929 |
| Square root | 241.679540 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 104 |
| Scientific notation | 5.8409 × |
58409 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand four hundred and nine |
| Binary (base 2) | 1110010000101001 |
| Octal (base 8) | 162051 |
| Hexadecimal (base 16) | E429 |
| Base 3 | 2222010022 |
| As time | 58409 seconds = 16 h 13 min 29 s |
Is 58409 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 4) | 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 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 1) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 58409 a prime number?
No. 58409 = 13 × 4493, so it is divisible by 13.
What are the factors of 58409?
1, 13, 4493, 58409.
What is 58409 in binary?
1110010000101001 (hexadecimal E429, octal 162051).
What is the square root of 58409?
About 241.6795.
Is 58409 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 58409?
58409 is a semiprime: 13 × 4493, the product of two primes.