The number 50020
50020 is a composite number with 24 divisors. Its prime factorisation is × 5 × 41 × 61. Divisors (24): 1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610 … 50020.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50020 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50020 is composite. Its prime factorisation is
- 3
The divisors add up to 109368; without 50020 itself that is 59348, so 50020 is abundant (59348 is more than 50020). Euler's totient φ(50020) = 19200 numbers up to 50020 share no factor with it.
- 4
The digits of 50020 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 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50020 = 2^{2} \times 5 \times 41 \times 61 \]50020 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 109368 |
| Euler totient φ(n) | 19200 |
| Square | 2502000400 |
| Cube | 125150060008000 |
| Square root | 223.651515 (= 2√12505) |
| Digit sum / digital root | 7 / 7 |
| Collatz steps to 1 | 158 |
| Scientific notation | 5.002 × |
50020 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand and twenty |
| Binary (base 2) | 1100001101100100 |
| Octal (base 8) | 141544 |
| Hexadecimal (base 16) | C364 |
| Base 3 | 2112121121 |
| As time | 50020 seconds = 13 h 53 min 40 s |
Is 50020 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50020 ÷ 2 = 25010) | 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 | Yes (50020 ÷ 4 = 12505) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (50020 ÷ 5 = 10004) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 4) | 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 | Yes (50020 ÷ 10 = 5002) | 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 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50020 a prime number?
No. 50020 = × 5 × 41 × 61, so it is divisible by 2.
What are the factors of 50020?
1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 5002, 10004, 12505, 25010, 50020.
What is 50020 in binary?
1100001101100100 (hexadecimal C364, octal 141544).
What is the square root of 50020?
About 223.6515, exactly 2√12505.
Is 50020 divisible by 3?
No. Its digits add up to 7, which is not a multiple of 3.
What is special about the number 50020?
It is a composite number with 24 divisors.