The number 50189
50189 is a composite number with 4 divisors. Its prime factorisation is 31 × 1619. Divisors (4): 1, 31, 1619, 50189.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50189: a semiprime: 31 × 1619, the product of two primes.
- 2
50189 is composite. Its prime factorisation is
- 3
The divisors add up to 51840; without 50189 itself that is 1651, so 50189 is deficient (1651 is less than 50189). Euler's totient φ(50189) = 48540 numbers up to 50189 share no factor with it.
- 4
The digits of 50189 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50189 = 31 \times 1619 \]
50189 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 51840 |
| Euler totient φ(n) | 48540 |
| Square | 2518935721 |
| Cube | 126422864901269 |
| Square root | 224.029016 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0189 × |
50189 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand one hundred and eighty-nine |
| Binary (base 2) | 1100010000001101 |
| Octal (base 8) | 142015 |
| Hexadecimal (base 16) | C40D |
| Base 3 | 2112211212 |
| As time | 50189 seconds = 13 h 56 min 29 s |
Is 50189 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 | No (remainder 2) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50189 a prime number?
No. 50189 = 31 × 1619, so it is divisible by 31.
What are the factors of 50189?
1, 31, 1619, 50189.
What is 50189 in binary?
1100010000001101 (hexadecimal C40D, octal 142015).
What is the square root of 50189?
About 224.0290.
Is 50189 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 50189?
50189 is a semiprime: 31 × 1619, the product of two primes.