The number 50646
50646 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 23 × 367. Divisors (16): 1, 2, 3, 6, 23, 46, 69, 138, 367, 734, 1101, 2202, 8441, 16882, 25323, 50646.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50646 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50646 is composite. Its prime factorisation is
- 3
The divisors add up to 105984; without 50646 itself that is 55338, so 50646 is abundant (55338 is more than 50646). Euler's totient φ(50646) = 16104 numbers up to 50646 share no factor with it.
- 4
The digits of 50646 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 109 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50646 = 2 \times 3 \times 23 \times 367 \]
50646 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 105984 |
| Euler totient φ(n) | 16104 |
| Square | 2565017316 |
| Cube | 129907866986136 |
| Square root | 225.046662 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 109 |
| Scientific notation | 5.0646 × |
50646 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand six hundred and forty-six |
| Binary (base 2) | 1100010111010110 |
| Octal (base 8) | 142726 |
| Hexadecimal (base 16) | C5D6 |
| Base 3 | 2120110210 |
| As time | 50646 seconds = 14 h 4 min 6 s |
Is 50646 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50646 ÷ 2 = 25323) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (50646 ÷ 3 = 16882) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | 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 | Yes (50646 ÷ 6 = 8441) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50646 a prime number?
No. 50646 = 2 × 3 × 23 × 367, so it is divisible by 2.
What are the factors of 50646?
1, 2, 3, 6, 23, 46, 69, 138, 367, 734, 1101, 2202, 8441, 16882, 25323, 50646.
What is 50646 in binary?
1100010111010110 (hexadecimal C5D6, octal 142726).
What is the square root of 50646?
About 225.0467.
Is 50646 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 50646?
It is a composite number with 16 divisors.