The number 57889
57889 is a composite number with 8 divisors. Its prime factorisation is 13 × 61 × 73. Divisors (8): 1, 13, 61, 73, 793, 949, 4453, 57889.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
57889 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
57889 is composite. Its prime factorisation is
- 3
The divisors add up to 64232; without 57889 itself that is 6343, so 57889 is deficient (6343 is less than 57889). Euler's totient φ(57889) = 51840 numbers up to 57889 share no factor with it.
- 4
The digits of 57889 add up to 37, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 122 steps to reach 1.
LaTeX source of the formulas on this page
\[ 57889 = 13 \times 61 \times 73 \]
57889 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 64232 |
| Euler totient φ(n) | 51840 |
| Square | 3351136321 |
| Cube | 193993930486369 |
| Square root | 240.601330 |
| Digit sum / digital root | 37 / 1 |
| Collatz steps to 1 | 122 |
| Scientific notation | 5.7889 × |
57889 in other forms
| Form | Value |
|---|---|
| In words | fifty-seven thousand eight hundred and eighty-nine |
| Binary (base 2) | 1110001000100001 |
| Octal (base 8) | 161041 |
| Hexadecimal (base 16) | E221 |
| Base 3 | 2221102001 |
| As time | 57889 seconds = 16 h 4 min 49 s |
Is 57889 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 1) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 57889 a prime number?
No. 57889 = 13 × 61 × 73, so it is divisible by 13.
What are the factors of 57889?
1, 13, 61, 73, 793, 949, 4453, 57889.
What is 57889 in binary?
1110001000100001 (hexadecimal E221, octal 161041).
What is the square root of 57889?
About 240.6013.
Is 57889 divisible by 3?
No. Its digits add up to 37, which is not a multiple of 3.
What is special about the number 57889?
It is a composite number with 8 divisors.