The number 50649
50649 is a composite number with 4 divisors. Its prime factorisation is 3 × 16883. Divisors (4): 1, 3, 16883, 50649.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50649: a semiprime: 3 × 16883, the product of two primes.
- 2
50649 is composite. Its prime factorisation is
- 3
The divisors add up to 67536; without 50649 itself that is 16887, so 50649 is deficient (16887 is less than 50649). Euler's totient φ(50649) = 33764 numbers up to 50649 share no factor with it.
- 4
The digits of 50649 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50649 = 3 \times 16883 \]
50649 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 67536 |
| Euler totient φ(n) | 33764 |
| Square | 2565321201 |
| Cube | 129930953509449 |
| Square root | 225.053327 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 57 |
| Scientific notation | 5.0649 × |
50649 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand six hundred and forty-nine |
| Binary (base 2) | 1100010111011001 |
| Octal (base 8) | 142731 |
| Hexadecimal (base 16) | C5D9 |
| Base 3 | 2120110220 |
| As time | 50649 seconds = 14 h 4 min 9 s |
Is 50649 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 | Yes (50649 ÷ 3 = 16883) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 6) | 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 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50649 a prime number?
No. 50649 = 3 × 16883, so it is divisible by 3.
What are the factors of 50649?
1, 3, 16883, 50649.
What is 50649 in binary?
1100010111011001 (hexadecimal C5D9, octal 142731).
What is the square root of 50649?
About 225.0533.
Is 50649 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 50649?
50649 is a semiprime: 3 × 16883, the product of two primes.