even, composite · 438th positive integer
The number 438
438 is an even composite number. It is the 438th positive integer.
Quick reference
| Prime factorization | 2 × 3 × 73 |
| Divisors | 1, 2, 3, 6, 73, 146, 219, 438 |
| Binary | 110110110 |
| Hexadecimal | 0x1B6 |
| Roman numeral | CDXXXVIII |
| Digit sum | 15 |
| Properties | even, composite |
Frequently asked
Is 438 a prime number?
No. 438 is composite. Its prime factorization is 2 × 3 × 73.
What are the factors of 438?
The factors (divisors) of 438 are 1, 2, 3, 6, 73, 146, 219, 438.
What is 438 in binary?
438 in binary is 110110110. In hexadecimal it's 1B6.
What is 438 as a Roman numeral?
438 in Roman numerals is CDXXXVIII.
What's the digit sum of 438?
Adding the digits of 438: 4 + 3 + 8 = 15.