The number 58790
58790 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 5879. Divisors (8): 1, 2, 5, 10, 5879, 11758, 29395, 58790.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 58790: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
58790 is composite. Its prime factorisation is
- 3
The divisors add up to 105840; without 58790 itself that is 47050, so 58790 is deficient (47050 is less than 58790). Euler's totient φ(58790) = 23512 numbers up to 58790 share no factor with it.
- 4
The digits of 58790 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 135 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58790 = 2 \times 5 \times 5879 \]
58790 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 105840 |
| Euler totient φ(n) | 23512 |
| Square | 3456264100 |
| Cube | 203193766439000 |
| Square root | 242.466493 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 135 |
| Scientific notation | 5.879 × |
58790 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand seven hundred and ninety |
| Binary (base 2) | 1110010110100110 |
| Octal (base 8) | 162646 |
| Hexadecimal (base 16) | E5A6 |
| Base 3 | 2222122102 |
| As time | 58790 seconds = 16 h 19 min 50 s |
Is 58790 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58790 ÷ 2 = 29395) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | 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 | Yes (58790 ÷ 5 = 11758) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (58790 ÷ 10 = 5879) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58790 a prime number?
No. 58790 = 2 × 5 × 5879, so it is divisible by 2.
What are the factors of 58790?
1, 2, 5, 10, 5879, 11758, 29395, 58790.
What is 58790 in binary?
1110010110100110 (hexadecimal E5A6, octal 162646).
What is the square root of 58790?
About 242.4665.
Is 58790 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 58790?
58790 is a happy number: repeatedly adding the squares of its digits reaches 1.