The number 30067
30067 is a composite number with 4 divisors. Its prime factorisation is 107 × 281. Divisors (4): 1, 107, 281, 30067.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 30067: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 107 × 281, the product of two primes.
- 2
30067 is composite. Its prime factorisation is
- 3
The divisors add up to 30456; without 30067 itself that is 389, so 30067 is deficient (389 is less than 30067). Euler's totient φ(30067) = 29680 numbers up to 30067 share no factor with it.
- 4
The digits of 30067 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 90 steps to reach 1.
LaTeX source of the formulas on this page
\[ 30067 = 107 \times 281 \]
30067 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 30456 |
| Euler totient φ(n) | 29680 |
| Square | 904024489 |
| Cube | 27181304310763 |
| Square root | 173.398385 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 90 |
| Scientific notation | 3.0067 × |
30067 in other forms
| Form | Value |
|---|---|
| In words | thirty thousand and sixty-seven |
| Binary (base 2) | 111010101110011 |
| Octal (base 8) | 72563 |
| Hexadecimal (base 16) | 7573 |
| Base 3 | 1112020121 |
| As time | 30067 seconds = 8 h 21 min 7 s |
Is 30067 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 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 3) | 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 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 30067 a prime number?
No. 30067 = 107 × 281, so it is divisible by 107.
What are the factors of 30067?
1, 107, 281, 30067.
What is 30067 in binary?
111010101110011 (hexadecimal 7573, octal 72563).
What is the square root of 30067?
About 173.3984.
Is 30067 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 30067?
30067 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 107 × 281, the product of two primes.