The number 50138
50138 is a composite number with 16 divisors. Its prime factorisation is 2 × 11 × 43 × 53. Divisors (16): 1, 2, 11, 22, 43, 53, 86, 106, 473, 583, 946, 1166, 2279, 4558, 25069, 50138.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50138 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50138 is composite. Its prime factorisation is
- 3
The divisors add up to 85536; without 50138 itself that is 35398, so 50138 is deficient (35398 is less than 50138). Euler's totient φ(50138) = 21840 numbers up to 50138 share no factor with it.
- 4
The digits of 50138 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50138 = 2 \times 11 \times 43 \times 53 \]
50138 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 85536 |
| Euler totient φ(n) | 21840 |
| Square | 2513819044 |
| Cube | 126037859228072 |
| Square root | 223.915163 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0138 × |
50138 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand one hundred and thirty-eight |
| Binary (base 2) | 1100001111011010 |
| Octal (base 8) | 141732 |
| Hexadecimal (base 16) | C3DA |
| Base 3 | 2112202222 |
| As time | 50138 seconds = 13 h 55 min 38 s |
Is 50138 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50138 ÷ 2 = 25069) | 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 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (50138 ÷ 11 = 4558) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50138 a prime number?
No. 50138 = 2 × 11 × 43 × 53, so it is divisible by 2.
What are the factors of 50138?
1, 2, 11, 22, 43, 53, 86, 106, 473, 583, 946, 1166, 2279, 4558, 25069, 50138.
What is 50138 in binary?
1100001111011010 (hexadecimal C3DA, octal 141732).
What is the square root of 50138?
About 223.9152.
Is 50138 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 50138?
It is a composite number with 16 divisors.