The number 5489
5489 is a composite number with 4 divisors. Its prime factorisation is 11 × 499. Divisors (4): 1, 11, 499, 5489.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 5489: a semiprime: 11 × 499, the product of two primes.
- 2
5489 is composite. Its prime factorisation is
- 3
The divisors add up to 6000; without 5489 itself that is 511, so 5489 is deficient (511 is less than 5489). Euler's totient φ(5489) = 4980 numbers up to 5489 share no factor with it.
- 4
The digits of 5489 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 129 steps to reach 1.
LaTeX source of the formulas on this page
\[ 5489 = 11 \times 499 \]
5489 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 6000 |
| Euler totient φ(n) | 4980 |
| Square | 30129121 |
| Cube | 165378745169 |
| Square root | 74.087786 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 129 |
| Scientific notation | 5.489 × |
5489 in other forms
| Form | Value |
|---|---|
| In words | five thousand four hundred and eighty-nine |
| Binary (base 2) | 1010101110001 |
| Octal (base 8) | 12561 |
| Hexadecimal (base 16) | 1571 |
| Base 3 | 21112022 |
| As time | 5489 seconds = 1 h 31 min 29 s |
Is 5489 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 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 8) | 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 | Yes (5489 ÷ 11 = 499) | 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 5489 a prime number?
No. 5489 = 11 × 499, so it is divisible by 11.
What are the factors of 5489?
1, 11, 499, 5489.
What is 5489 in binary?
1010101110001 (hexadecimal 1571, octal 12561).
What is the square root of 5489?
About 74.0878.
Is 5489 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 5489?
5489 is a semiprime: 11 × 499, the product of two primes.