The number 15010
15010 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 19 × 79. Divisors (16): 1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 7505, 15010.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
15010 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
15010 is composite. Its prime factorisation is
- 3
The divisors add up to 28800; without 15010 itself that is 13790, so 15010 is deficient (13790 is less than 15010). Euler's totient φ(15010) = 5616 numbers up to 15010 share no factor with it.
- 4
The digits of 15010 add up to 7, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 177 steps to reach 1.
LaTeX source of the formulas on this page
\[ 15010 = 2 \times 5 \times 19 \times 79 \]
15010 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 28800 |
| Euler totient φ(n) | 5616 |
| Square | 225300100 |
| Cube | 3381754501000 |
| Square root | 122.515305 |
| Digit sum / digital root | 7 / 7 |
| Collatz steps to 1 | 177 |
| Scientific notation | 1.501 × |
15010 in other forms
| Form | Value |
|---|---|
| In words | fifteen thousand and ten |
| Binary (base 2) | 11101010100010 |
| Octal (base 8) | 35242 |
| Hexadecimal (base 16) | 3AA2 |
| Base 3 | 202120221 |
| As time | 15010 seconds = 4 h 10 min 10 s |
Is 15010 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (15010 ÷ 2 = 7505) | 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 (15010 ÷ 5 = 3002) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (15010 ÷ 10 = 1501) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | 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 15010 a prime number?
No. 15010 = 2 × 5 × 19 × 79, so it is divisible by 2.
What are the factors of 15010?
1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 7505, 15010.
What is 15010 in binary?
11101010100010 (hexadecimal 3AA2, octal 35242).
What is the square root of 15010?
About 122.5153.
Is 15010 divisible by 3?
No. Its digits add up to 7, which is not a multiple of 3.
What is special about the number 15010?
It is a composite number with 16 divisors.