The number 50011
50011 is a composite number with 4 divisors. Its prime factorisation is 13 × 3847. Divisors (4): 1, 13, 3847, 50011.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50011: a semiprime: 13 × 3847, the product of two primes.
- 2
50011 is composite. Its prime factorisation is
- 3
The divisors add up to 53872; without 50011 itself that is 3861, so 50011 is deficient (3861 is less than 50011). Euler's totient φ(50011) = 46152 numbers up to 50011 share no factor with it.
- 4
The digits of 50011 add up to 7, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 189 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50011 = 13 \times 3847 \]
50011 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 53872 |
| Euler totient φ(n) | 46152 |
| Square | 2501100121 |
| Cube | 125082518151331 |
| Square root | 223.631393 |
| Digit sum / digital root | 7 / 7 |
| Collatz steps to 1 | 189 |
| Scientific notation | 5.0011 × |
50011 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand and eleven |
| Binary (base 2) | 1100001101011011 |
| Octal (base 8) | 141533 |
| Hexadecimal (base 16) | C35B |
| Base 3 | 2112121021 |
| As time | 50011 seconds = 13 h 53 min 31 s |
Is 50011 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 3) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50011 a prime number?
No. 50011 = 13 × 3847, so it is divisible by 13.
What are the factors of 50011?
1, 13, 3847, 50011.
What is 50011 in binary?
1100001101011011 (hexadecimal C35B, octal 141533).
What is the square root of 50011?
About 223.6314.
Is 50011 divisible by 3?
No. Its digits add up to 7, which is not a multiple of 3.
What is special about the number 50011?
50011 is a semiprime: 13 × 3847, the product of two primes.