The number 55038
55038 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 9173. Divisors (8): 1, 2, 3, 6, 9173, 18346, 27519, 55038.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55038 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55038 is composite. Its prime factorisation is
- 3
The divisors add up to 110088; without 55038 itself that is 55050, so 55038 is abundant (55050 is more than 55038). Euler's totient φ(55038) = 18344 numbers up to 55038 share no factor with it.
- 4
The digits of 55038 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 122 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55038 = 2 \times 3 \times 9173 \]
55038 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 110088 |
| Euler totient φ(n) | 18344 |
| Square | 3029181444 |
| Cube | 166720088314872 |
| Square root | 234.601790 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 122 |
| Scientific notation | 5.5038 × |
55038 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand and thirty-eight |
| Binary (base 2) | 1101011011111110 |
| Octal (base 8) | 153376 |
| Hexadecimal (base 16) | D6FE |
| Base 3 | 2210111110 |
| As time | 55038 seconds = 15 h 17 min 18 s |
Is 55038 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55038 ÷ 2 = 27519) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (55038 ÷ 3 = 18346) | 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 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (55038 ÷ 6 = 9173) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 6) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55038 a prime number?
No. 55038 = 2 × 3 × 9173, so it is divisible by 2.
What are the factors of 55038?
1, 2, 3, 6, 9173, 18346, 27519, 55038.
What is 55038 in binary?
1101011011111110 (hexadecimal D6FE, octal 153376).
What is the square root of 55038?
About 234.6018.
Is 55038 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 55038?
It is a composite number with 8 divisors.