The number 3489
3489 is a composite number with 4 divisors. Its prime factorisation is 3 × 1163. Divisors (4): 1, 3, 1163, 3489.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 3489: a semiprime: 3 × 1163, the product of two primes.
- 2
3489 is composite. Its prime factorisation is
- 3
The divisors add up to 4656; without 3489 itself that is 1167, so 3489 is deficient (1167 is less than 3489). Euler's totient φ(3489) = 2324 numbers up to 3489 share no factor with it.
- 4
The digits of 3489 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 87 steps to reach 1.
LaTeX source of the formulas on this page
\[ 3489 = 3 \times 1163 \]
3489 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 4656 |
| Euler totient φ(n) | 2324 |
| Square | 12173121 |
| Cube | 42472019169 |
| Square root | 59.067758 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 87 |
| Scientific notation | 3.489 × |
3489 in other forms
| Form | Value |
|---|---|
| In words | three thousand four hundred and eighty-nine |
| Roman numerals | MMMCDLXXXIX |
| Binary (base 2) | 110110100001 |
| Octal (base 8) | 6641 |
| Hexadecimal (base 16) | DA1 |
| Base 3 | 11210020 |
| As time | 3489 seconds = 58 min 9 s |
Is 3489 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 (3489 ÷ 3 = 1163) | 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 3) | 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 6) | 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 2) | 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 3489 a prime number?
No. 3489 = 3 × 1163, so it is divisible by 3.
What are the factors of 3489?
1, 3, 1163, 3489.
What is 3489 in binary?
110110100001 (hexadecimal DA1, octal 6641).
What is the square root of 3489?
About 59.0678.
What is 3489 in Roman numerals?
MMMCDLXXXIX.
Is 3489 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 3489?
3489 is a semiprime: 3 × 1163, the product of two primes.