The number 58438
58438 is a composite number with 8 divisors. Its prime factorisation is 2 × 61 × 479. Divisors (8): 1, 2, 61, 122, 479, 958, 29219, 58438.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
58438 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
58438 is composite. Its prime factorisation is
- 3
The divisors add up to 89280; without 58438 itself that is 30842, so 58438 is deficient (30842 is less than 58438). Euler's totient φ(58438) = 28680 numbers up to 58438 share no factor with it.
- 4
The digits of 58438 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 47 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58438 = 2 \times 61 \times 479 \]
58438 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 89280 |
| Euler totient φ(n) | 28680 |
| Square | 3414999844 |
| Cube | 199565760883672 |
| Square root | 241.739529 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 47 |
| Scientific notation | 5.8438 × |
58438 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand four hundred and thirty-eight |
| Binary (base 2) | 1110010001000110 |
| Octal (base 8) | 162106 |
| Hexadecimal (base 16) | E446 |
| Base 3 | 2222011101 |
| As time | 58438 seconds = 16 h 13 min 58 s |
Is 58438 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58438 ÷ 2 = 29219) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | 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 6) | 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 58438 a prime number?
No. 58438 = 2 × 61 × 479, so it is divisible by 2.
What are the factors of 58438?
1, 2, 61, 122, 479, 958, 29219, 58438.
What is 58438 in binary?
1110010001000110 (hexadecimal E446, octal 162106).
What is the square root of 58438?
About 241.7395.
Is 58438 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 58438?
It is a composite number with 8 divisors.