The number 50240
50240 is a composite number with 28 divisors. Its prime factorisation is × 5 × 157. Divisors (28): 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320 … 50240.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50240 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50240 is composite. Its prime factorisation is
- 3
The divisors add up to 120396; without 50240 itself that is 70156, so 50240 is abundant (70156 is more than 50240). Euler's totient φ(50240) = 19968 numbers up to 50240 share no factor with it.
- 4
The digits of 50240 add up to 11, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 127 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50240 = 2^{6} \times 5 \times 157 \]50240 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 28 |
| Sum of divisors | 120396 |
| Euler totient φ(n) | 19968 |
| Square | 2524057600 |
| Cube | 126808653824000 |
| Square root | 224.142812 (= 8√785) |
| Digit sum / digital root | 11 / 2 |
| Collatz steps to 1 | 127 |
| Scientific notation | 5.024 × |
50240 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand two hundred and forty |
| Binary (base 2) | 1100010001000000 |
| Octal (base 8) | 142100 |
| Hexadecimal (base 16) | C440 |
| Base 3 | 2112220202 |
| As time | 50240 seconds = 13 h 57 min 20 s |
Is 50240 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50240 ÷ 2 = 25120) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | Yes (50240 ÷ 4 = 12560) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (50240 ÷ 5 = 10048) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 | Yes (50240 ÷ 8 = 6280) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (50240 ÷ 10 = 5024) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50240 a prime number?
No. 50240 = × 5 × 157, so it is divisible by 2.
What are the factors of 50240?
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 10048, 12560, 25120, 50240.
What is 50240 in binary?
1100010001000000 (hexadecimal C440, octal 142100).
What is the square root of 50240?
About 224.1428, exactly 8√785.
Is 50240 divisible by 3?
No. Its digits add up to 11, which is not a multiple of 3.
What is special about the number 50240?
It is a composite number with 28 divisors.