The number 16090
16090 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 1609. Divisors (8): 1, 2, 5, 10, 1609, 3218, 8045, 16090.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
16090 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
16090 is composite. Its prime factorisation is
- 3
The divisors add up to 28980; without 16090 itself that is 12890, so 16090 is deficient (12890 is less than 16090). Euler's totient φ(16090) = 6432 numbers up to 16090 share no factor with it.
- 4
The digits of 16090 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 45 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16090 = 2 \times 5 \times 1609 \]
16090 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 28980 |
| Euler totient φ(n) | 6432 |
| Square | 258888100 |
| Cube | 4165509529000 |
| Square root | 126.846364 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 45 |
| Scientific notation | 1.609 × |
16090 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand and ninety |
| Binary (base 2) | 11111011011010 |
| Octal (base 8) | 37332 |
| Hexadecimal (base 16) | 3EDA |
| Base 3 | 211001221 |
| As time | 16090 seconds = 4 h 28 min 10 s |
Is 16090 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (16090 ÷ 2 = 8045) | 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 (16090 ÷ 5 = 3218) | 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 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (16090 ÷ 10 = 1609) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 16090 a prime number?
No. 16090 = 2 × 5 × 1609, so it is divisible by 2.
What are the factors of 16090?
1, 2, 5, 10, 1609, 3218, 8045, 16090.
What is 16090 in binary?
11111011011010 (hexadecimal 3EDA, octal 37332).
What is the square root of 16090?
About 126.8464.
Is 16090 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 16090?
It is a composite number with 8 divisors.