The number 50389
50389 is a composite number with 4 divisors. Its prime factorisation is 41 × 1229. Divisors (4): 1, 41, 1229, 50389.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50389: a semiprime: 41 × 1229, the product of two primes.
- 2
50389 is composite. Its prime factorisation is
- 3
The divisors add up to 51660; without 50389 itself that is 1271, so 50389 is deficient (1271 is less than 50389). Euler's totient φ(50389) = 49120 numbers up to 50389 share no factor with it.
- 4
The digits of 50389 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 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50389 = 41 \times 1229 \]
50389 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 51660 |
| Euler totient φ(n) | 49120 |
| Square | 2539051321 |
| Cube | 127940257013869 |
| Square root | 224.474943 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0389 × |
50389 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand three hundred and eighty-nine |
| Binary (base 2) | 1100010011010101 |
| Octal (base 8) | 142325 |
| Hexadecimal (base 16) | C4D5 |
| Base 3 | 2120010021 |
| As time | 50389 seconds = 13 h 59 min 49 s |
Is 50389 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 3) | 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 7) | 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 9) | 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 50389 a prime number?
No. 50389 = 41 × 1229, so it is divisible by 41.
What are the factors of 50389?
1, 41, 1229, 50389.
What is 50389 in binary?
1100010011010101 (hexadecimal C4D5, octal 142325).
What is the square root of 50389?
About 224.4749.
Is 50389 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 50389?
50389 is a semiprime: 41 × 1229, the product of two primes.