odd, composite · 189th positive integer
The number 189
189 is an odd composite number. It is the 189th positive integer.
Quick reference
| Prime factorization | 3 × 3 × 3 × 7 |
| Divisors | 1, 3, 7, 9, 21, 27, 63, 189 |
| Binary | 10111101 |
| Hexadecimal | 0xBD |
| Roman numeral | CLXXXIX |
| Digit sum | 18 |
| Properties | odd, composite |
Frequently asked
Is 189 a prime number?
No. 189 is composite. Its prime factorization is 3 × 3 × 3 × 7.
What are the factors of 189?
The factors (divisors) of 189 are 1, 3, 7, 9, 21, 27, 63, 189.
What is 189 in binary?
189 in binary is 10111101. In hexadecimal it's BD.
What is 189 as a Roman numeral?
189 in Roman numerals is CLXXXIX.
What's the digit sum of 189?
Adding the digits of 189: 1 + 8 + 9 = 18.