The number 54489
54489 is a composite number with 8 divisors. Its prime factorisation is 3 × 41 × 443. Divisors (8): 1, 3, 41, 123, 443, 1329, 18163, 54489.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
54489 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
54489 is composite. Its prime factorisation is
- 3
The divisors add up to 74592; without 54489 itself that is 20103, so 54489 is deficient (20103 is less than 54489). Euler's totient φ(54489) = 35360 numbers up to 54489 share no factor with it.
- 4
The digits of 54489 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 184 steps to reach 1.
LaTeX source of the formulas on this page
\[ 54489 = 3 \times 41 \times 443 \]
54489 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 74592 |
| Euler totient φ(n) | 35360 |
| Square | 2969051121 |
| Cube | 161780626532169 |
| Square root | 233.428790 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 184 |
| Scientific notation | 5.4489 × |
54489 in other forms
| Form | Value |
|---|---|
| In words | fifty-four thousand four hundred and eighty-nine |
| Binary (base 2) | 1101010011011001 |
| Octal (base 8) | 152331 |
| Hexadecimal (base 16) | D4D9 |
| Base 3 | 2202202010 |
| As time | 54489 seconds = 15 h 8 min 9 s |
Is 54489 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 (54489 ÷ 3 = 18163) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 1) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | 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 54489 a prime number?
No. 54489 = 3 × 41 × 443, so it is divisible by 3.
What are the factors of 54489?
1, 3, 41, 123, 443, 1329, 18163, 54489.
What is 54489 in binary?
1101010011011001 (hexadecimal D4D9, octal 152331).
What is the square root of 54489?
About 233.4288.
Is 54489 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 54489?
It is a composite number with 8 divisors.