The number 54490
54490 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 5449. Divisors (8): 1, 2, 5, 10, 5449, 10898, 27245, 54490.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
54490 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
54490 is composite. Its prime factorisation is
- 3
The divisors add up to 98100; without 54490 itself that is 43610, so 54490 is deficient (43610 is less than 54490). Euler's totient φ(54490) = 21792 numbers up to 54490 share no factor with it.
- 4
The digits of 54490 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 54490 = 2 \times 5 \times 5449 \]
54490 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 98100 |
| Euler totient φ(n) | 21792 |
| Square | 2969160100 |
| Cube | 161789533849000 |
| Square root | 233.430932 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 96 |
| Scientific notation | 5.449 × |
54490 in other forms
| Form | Value |
|---|---|
| In words | fifty-four thousand four hundred and ninety |
| Binary (base 2) | 1101010011011010 |
| Octal (base 8) | 152332 |
| Hexadecimal (base 16) | D4DA |
| Base 3 | 2202202011 |
| As time | 54490 seconds = 15 h 8 min 10 s |
Is 54490 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (54490 ÷ 2 = 27245) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (54490 ÷ 5 = 10898) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (54490 ÷ 10 = 5449) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 54490 a prime number?
No. 54490 = 2 × 5 × 5449, so it is divisible by 2.
What are the factors of 54490?
1, 2, 5, 10, 5449, 10898, 27245, 54490.
What is 54490 in binary?
1101010011011010 (hexadecimal D4DA, octal 152332).
What is the square root of 54490?
About 233.4309.
Is 54490 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 54490?
It is a composite number with 8 divisors.