The number 50689
50689 is a composite number with 4 divisors. Its prime factorisation is 173 × 293. Divisors (4): 1, 173, 293, 50689.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50689: a semiprime: 173 × 293, the product of two primes.
- 2
50689 is composite. Its prime factorisation is
- 3
The divisors add up to 51156; without 50689 itself that is 467, so 50689 is deficient (467 is less than 50689). Euler's totient φ(50689) = 50224 numbers up to 50689 share no factor with it.
- 4
The digits of 50689 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 109 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50689 = 173 \times 293 \]
50689 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 51156 |
| Euler totient φ(n) | 50224 |
| Square | 2569374721 |
| Cube | 130239035232769 |
| Square root | 225.142177 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 109 |
| Scientific notation | 5.0689 × |
50689 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand six hundred and eighty-nine |
| Binary (base 2) | 1100011000000001 |
| Octal (base 8) | 143001 |
| Hexadecimal (base 16) | C601 |
| Base 3 | 2120112101 |
| As time | 50689 seconds = 14 h 4 min 49 s |
Is 50689 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 2) | 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 1) | 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 50689 a prime number?
No. 50689 = 173 × 293, so it is divisible by 173.
What are the factors of 50689?
1, 173, 293, 50689.
What is 50689 in binary?
1100011000000001 (hexadecimal C601, octal 143001).
What is the square root of 50689?
About 225.1422.
Is 50689 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 50689?
50689 is a semiprime: 173 × 293, the product of two primes.