The number 58442
58442 is a composite number with 4 divisors. Its prime factorisation is 2 × 29221. Divisors (4): 1, 2, 29221, 58442.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 58442: a semiprime: 2 × 29221, the product of two primes.
- 2
58442 is composite. Its prime factorisation is
- 3
The divisors add up to 87666; without 58442 itself that is 29224, so 58442 is deficient (29224 is less than 58442). Euler's totient φ(58442) = 29220 numbers up to 58442 share no factor with it.
- 4
The digits of 58442 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 197 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58442 = 2 \times 29221 \]
58442 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 87666 |
| Euler totient φ(n) | 29220 |
| Square | 3415467364 |
| Cube | 199606743686888 |
| Square root | 241.747802 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 197 |
| Scientific notation | 5.8442 × |
58442 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand four hundred and forty-two |
| Binary (base 2) | 1110010001001010 |
| Octal (base 8) | 162112 |
| Hexadecimal (base 16) | E44A |
| Base 3 | 2222011112 |
| As time | 58442 seconds = 16 h 14 min 2 s |
Is 58442 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58442 ÷ 2 = 29221) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 2) | 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 2) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58442 a prime number?
No. 58442 = 2 × 29221, so it is divisible by 2.
What are the factors of 58442?
1, 2, 29221, 58442.
What is 58442 in binary?
1110010001001010 (hexadecimal E44A, octal 162112).
What is the square root of 58442?
About 241.7478.
Is 58442 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 58442?
58442 is a semiprime: 2 × 29221, the product of two primes.