The number 27078
27078 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 4513. Divisors (8): 1, 2, 3, 6, 4513, 9026, 13539, 27078.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27078 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27078 is composite. Its prime factorisation is
- 3
The divisors add up to 54168; without 27078 itself that is 27090, so 27078 is abundant (27090 is more than 27078). Euler's totient φ(27078) = 9024 numbers up to 27078 share no factor with it.
- 4
The digits of 27078 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 46 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27078 = 2 \times 3 \times 4513 \]
27078 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 54168 |
| Euler totient φ(n) | 9024 |
| Square | 733218084 |
| Cube | 19854079278552 |
| Square root | 164.553943 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 46 |
| Scientific notation | 2.7078 × |
27078 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand and seventy-eight |
| Binary (base 2) | 110100111000110 |
| Octal (base 8) | 64706 |
| Hexadecimal (base 16) | 69C6 |
| Base 3 | 1101010220 |
| As time | 27078 seconds = 7 h 31 min 18 s |
Is 27078 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27078 ÷ 2 = 13539) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (27078 ÷ 3 = 9026) | 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 (27078 ÷ 6 = 4513) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 7) | 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 27078 a prime number?
No. 27078 = 2 × 3 × 4513, so it is divisible by 2.
What are the factors of 27078?
1, 2, 3, 6, 4513, 9026, 13539, 27078.
What is 27078 in binary?
110100111000110 (hexadecimal 69C6, octal 64706).
What is the square root of 27078?
About 164.5539.
Is 27078 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 27078?
It is a composite number with 8 divisors.