The number 58840
58840 is a composite number with 16 divisors. Its prime factorisation is × 5 × 1471. Divisors (16): 1, 2, 4, 5, 8, 10, 20, 40, 1471, 2942, 5884, 7355, 11768, 14710, 29420, 58840.
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How to work it out
- 1
58840 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
58840 is composite. Its prime factorisation is
- 3
The divisors add up to 132480; without 58840 itself that is 73640, so 58840 is abundant (73640 is more than 58840). Euler's totient φ(58840) = 23520 numbers up to 58840 share no factor with it.
- 4
The digits of 58840 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
\[ 58840 = 2^{3} \times 5 \times 1471 \]58840 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 132480 |
| Euler totient φ(n) | 23520 |
| Square | 3462145600 |
| Cube | 203712647104000 |
| Square root | 242.569578 (= 2√14710) |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 104 |
| Scientific notation | 5.884 × |
58840 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand eight hundred and forty |
| Binary (base 2) | 1110010111011000 |
| Octal (base 8) | 162730 |
| Hexadecimal (base 16) | E5D8 |
| Base 3 | 2222201021 |
| As time | 58840 seconds = 16 h 20 min 40 s |
Is 58840 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58840 ÷ 2 = 29420) | 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 | Yes (58840 ÷ 4 = 14710) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (58840 ÷ 5 = 11768) | 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 5) | 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 | Yes (58840 ÷ 8 = 7355) | 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 | Yes (58840 ÷ 10 = 5884) | 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 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58840 a prime number?
No. 58840 = × 5 × 1471, so it is divisible by 2.
What are the factors of 58840?
1, 2, 4, 5, 8, 10, 20, 40, 1471, 2942, 5884, 7355, 11768, 14710, 29420, 58840.
What is 58840 in binary?
1110010111011000 (hexadecimal E5D8, octal 162730).
What is the square root of 58840?
About 242.5696, exactly 2√14710.
Is 58840 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 58840?
It is a composite number with 16 divisors.