The number 58855
58855 is a composite number with 8 divisors. Its prime factorisation is 5 × 79 × 149. Divisors (8): 1, 5, 79, 149, 395, 745, 11771, 58855.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 58855: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
58855 is composite. Its prime factorisation is
- 3
The divisors add up to 72000; without 58855 itself that is 13145, so 58855 is deficient (13145 is less than 58855). Euler's totient φ(58855) = 46176 numbers up to 58855 share no factor with it.
- 4
The digits of 58855 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 104 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58855 = 5 \times 79 \times 149 \]
58855 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 72000 |
| Euler totient φ(n) | 46176 |
| Square | 3463911025 |
| Cube | 203868483376375 |
| Square root | 242.600495 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 104 |
| Scientific notation | 5.8855 × |
58855 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand eight hundred and fifty-five |
| Binary (base 2) | 1110010111100111 |
| Octal (base 8) | 162747 |
| Hexadecimal (base 16) | E5E7 |
| Base 3 | 2222201211 |
| As time | 58855 seconds = 16 h 20 min 55 s |
Is 58855 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 1) | 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 | Yes (58855 ÷ 5 = 11771) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58855 a prime number?
No. 58855 = 5 × 79 × 149, so it is divisible by 5.
What are the factors of 58855?
1, 5, 79, 149, 395, 745, 11771, 58855.
What is 58855 in binary?
1110010111100111 (hexadecimal E5E7, octal 162747).
What is the square root of 58855?
About 242.6005.
Is 58855 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 58855?
58855 is a happy number: repeatedly adding the squares of its digits reaches 1.