The number 50421
50421 is a composite number with 12 divisors. Its prime factorisation is 3 × . Divisors (12): 1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 16807, 50421.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50421 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50421 is composite. Its prime factorisation is
- 3
The divisors add up to 78432; without 50421 itself that is 28011, so 50421 is deficient (28011 is less than 50421). Euler's totient φ(50421) = 28812 numbers up to 50421 share no factor with it.
- 4
The digits of 50421 add up to 12, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50421 = 3 \times 7^{5} \]50421 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 78432 |
| Euler totient φ(n) | 28812 |
| Square | 2542277241 |
| Cube | 128184160768461 |
| Square root | 224.546209 (= 49√21) |
| Digit sum / digital root | 12 / 3 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0421 × |
50421 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand four hundred and twenty-one |
| Binary (base 2) | 1100010011110101 |
| Octal (base 8) | 142365 |
| Hexadecimal (base 16) | C4F5 |
| Base 3 | 2120011110 |
| As time | 50421 seconds = 14 h 0 min 21 s |
Is 50421 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 (50421 ÷ 3 = 16807) | 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 1) | 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 | Yes (50421 ÷ 7 = 7203) | 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 5) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 50421 a prime number?
No. 50421 = 3 × , so it is divisible by 3.
What are the factors of 50421?
1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 16807, 50421.
What is 50421 in binary?
1100010011110101 (hexadecimal C4F5, octal 142365).
What is the square root of 50421?
About 224.5462, exactly 49√21.
Is 50421 divisible by 3?
Yes. Its digits add up to 12, a multiple of 3.
What is special about the number 50421?
It is a composite number with 12 divisors.