The number 18093
18093 is a composite number with 8 divisors. Its prime factorisation is 3 × 37 × 163. Divisors (8): 1, 3, 37, 111, 163, 489, 6031, 18093.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
18093 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
18093 is composite. Its prime factorisation is
- 3
The divisors add up to 24928; without 18093 itself that is 6835, so 18093 is deficient (6835 is less than 18093). Euler's totient φ(18093) = 11664 numbers up to 18093 share no factor with it.
- 4
The digits of 18093 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 92 steps to reach 1.
LaTeX source of the formulas on this page
\[ 18093 = 3 \times 37 \times 163 \]
18093 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 24928 |
| Euler totient φ(n) | 11664 |
| Square | 327356649 |
| Cube | 5922863850357 |
| Square root | 134.510223 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 92 |
| Scientific notation | 1.8093 × |
18093 in other forms
| Form | Value |
|---|---|
| In words | eighteen thousand and ninety-three |
| Binary (base 2) | 100011010101101 |
| Octal (base 8) | 43255 |
| Hexadecimal (base 16) | 46AD |
| Base 3 | 220211010 |
| As time | 18093 seconds = 5 h 1 min 33 s |
Is 18093 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 (18093 ÷ 3 = 6031) | 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 3) | 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 5) | 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 5) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | 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 18093 a prime number?
No. 18093 = 3 × 37 × 163, so it is divisible by 3.
What are the factors of 18093?
1, 3, 37, 111, 163, 489, 6031, 18093.
What is 18093 in binary?
100011010101101 (hexadecimal 46AD, octal 43255).
What is the square root of 18093?
About 134.5102.
Is 18093 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 18093?
It is a composite number with 8 divisors.