The number 58642
58642 is a composite number with 8 divisors. Its prime factorisation is 2 × 109 × 269. Divisors (8): 1, 2, 109, 218, 269, 538, 29321, 58642.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
58642 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
58642 is composite. Its prime factorisation is
- 3
The divisors add up to 89100; without 58642 itself that is 30458, so 58642 is deficient (30458 is less than 58642). Euler's totient φ(58642) = 28944 numbers up to 58642 share no factor with it.
- 4
The digits of 58642 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 104 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58642 = 2 \times 109 \times 269 \]
58642 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 89100 |
| Euler totient φ(n) | 28944 |
| Square | 3438884164 |
| Cube | 201663045145288 |
| Square root | 242.161103 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 104 |
| Scientific notation | 5.8642 × |
58642 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand six hundred and forty-two |
| Binary (base 2) | 1110010100010010 |
| Octal (base 8) | 162422 |
| Hexadecimal (base 16) | E512 |
| Base 3 | 2222102221 |
| As time | 58642 seconds = 16 h 17 min 22 s |
Is 58642 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58642 ÷ 2 = 29321) | 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 2) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | 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 58642 a prime number?
No. 58642 = 2 × 109 × 269, so it is divisible by 2.
What are the factors of 58642?
1, 2, 109, 218, 269, 538, 29321, 58642.
What is 58642 in binary?
1110010100010010 (hexadecimal E512, octal 162422).
What is the square root of 58642?
About 242.1611.
Is 58642 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 58642?
It is a composite number with 8 divisors.