The number 48489
48489 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 2309. Divisors (8): 1, 3, 7, 21, 2309, 6927, 16163, 48489.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48489 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48489 is composite. Its prime factorisation is
- 3
The divisors add up to 73920; without 48489 itself that is 25431, so 48489 is deficient (25431 is less than 48489). Euler's totient φ(48489) = 27696 numbers up to 48489 share no factor with it.
- 4
The digits of 48489 add up to 33, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48489 = 3 \times 7 \times 2309 \]
48489 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 73920 |
| Euler totient φ(n) | 27696 |
| Square | 2351183121 |
| Cube | 114006518354169 |
| Square root | 220.202180 |
| Digit sum / digital root | 33 / 6 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.8489 × |
48489 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand four hundred and eighty-nine |
| Binary (base 2) | 1011110101101001 |
| Octal (base 8) | 136551 |
| Hexadecimal (base 16) | BD69 |
| Base 3 | 2110111220 |
| As time | 48489 seconds = 13 h 28 min 9 s |
Is 48489 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 (48489 ÷ 3 = 16163) | 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 | Yes (48489 ÷ 7 = 6927) | 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 1) | 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 48489 a prime number?
No. 48489 = 3 × 7 × 2309, so it is divisible by 3.
What are the factors of 48489?
1, 3, 7, 21, 2309, 6927, 16163, 48489.
What is 48489 in binary?
1011110101101001 (hexadecimal BD69, octal 136551).
What is the square root of 48489?
About 220.2022.
Is 48489 divisible by 3?
Yes. Its digits add up to 33, a multiple of 3.
What is special about the number 48489?
It is a composite number with 8 divisors.