The number 57133
57133 is a composite number with 8 divisors. Its prime factorisation is 19 × 31 × 97. Divisors (8): 1, 19, 31, 97, 589, 1843, 3007, 57133.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 57133: a Harshad number: divisible by its digit sum 19.
- 2
57133 is composite. Its prime factorisation is
- 3
The divisors add up to 62720; without 57133 itself that is 5587, so 57133 is deficient (5587 is less than 57133). Euler's totient φ(57133) = 51840 numbers up to 57133 share no factor with it.
- 4
The digits of 57133 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 34 steps to reach 1.
LaTeX source of the formulas on this page
\[ 57133 = 19 \times 31 \times 97 \]
57133 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 62720 |
| Euler totient φ(n) | 51840 |
| Square | 3264179689 |
| Cube | 186492378171637 |
| Square root | 239.025103 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 34 |
| Scientific notation | 5.7133 × |
57133 in other forms
| Form | Value |
|---|---|
| In words | fifty-seven thousand one hundred and thirty-three |
| Binary (base 2) | 1101111100101101 |
| Octal (base 8) | 157455 |
| Hexadecimal (base 16) | DF2D |
| Base 3 | 2220101001 |
| As time | 57133 seconds = 15 h 52 min 13 s |
Is 57133 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 3) | 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 5) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 57133 a prime number?
No. 57133 = 19 × 31 × 97, so it is divisible by 19.
What are the factors of 57133?
1, 19, 31, 97, 589, 1843, 3007, 57133.
What is 57133 in binary?
1101111100101101 (hexadecimal DF2D, octal 157455).
What is the square root of 57133?
About 239.0251.
Is 57133 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 57133?
57133 is a Harshad number: divisible by its digit sum 19.