The number 58138
58138 is a composite number with 8 divisors. Its prime factorisation is 2 × 41 × 709. Divisors (8): 1, 2, 41, 82, 709, 1418, 29069, 58138.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
58138 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
58138 is composite. Its prime factorisation is
- 3
The divisors add up to 89460; without 58138 itself that is 31322, so 58138 is deficient (31322 is less than 58138). Euler's totient φ(58138) = 28320 numbers up to 58138 share no factor with it.
- 4
The digits of 58138 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58138 = 2 \times 41 \times 709 \]
58138 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 89460 |
| Euler totient φ(n) | 28320 |
| Square | 3380027044 |
| Cube | 196508012284072 |
| Square root | 241.118228 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 73 |
| Scientific notation | 5.8138 × |
58138 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand one hundred and thirty-eight |
| Binary (base 2) | 1110001100011010 |
| Octal (base 8) | 161432 |
| Hexadecimal (base 16) | E31A |
| Base 3 | 2221202021 |
| As time | 58138 seconds = 16 h 8 min 58 s |
Is 58138 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58138 ÷ 2 = 29069) | 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 3) | 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 7) | 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 3) | 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 58138 a prime number?
No. 58138 = 2 × 41 × 709, so it is divisible by 2.
What are the factors of 58138?
1, 2, 41, 82, 709, 1418, 29069, 58138.
What is 58138 in binary?
1110001100011010 (hexadecimal E31A, octal 161432).
What is the square root of 58138?
About 241.1182.
Is 58138 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 58138?
It is a composite number with 8 divisors.