The number 58018
58018 is a composite number with 4 divisors. Its prime factorisation is 2 × 29009. Divisors (4): 1, 2, 29009, 58018.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 58018: a semiprime: 2 × 29009, the product of two primes.
- 2
58018 is composite. Its prime factorisation is
- 3
The divisors add up to 87030; without 58018 itself that is 29012, so 58018 is deficient (29012 is less than 58018). Euler's totient φ(58018) = 29008 numbers up to 58018 share no factor with it.
- 4
The digits of 58018 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58018 = 2 \times 29009 \]
58018 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 87030 |
| Euler totient φ(n) | 29008 |
| Square | 3366088324 |
| Cube | 195293712381832 |
| Square root | 240.869259 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 73 |
| Scientific notation | 5.8018 × |
58018 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand and eighteen |
| Binary (base 2) | 1110001010100010 |
| Octal (base 8) | 161242 |
| Hexadecimal (base 16) | E2A2 |
| Base 3 | 2221120211 |
| As time | 58018 seconds = 16 h 6 min 58 s |
Is 58018 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58018 ÷ 2 = 29009) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58018 a prime number?
No. 58018 = 2 × 29009, so it is divisible by 2.
What are the factors of 58018?
1, 2, 29009, 58018.
What is 58018 in binary?
1110001010100010 (hexadecimal E2A2, octal 161242).
What is the square root of 58018?
About 240.8693.
Is 58018 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 58018?
58018 is a semiprime: 2 × 29009, the product of two primes.