The number 27070
27070 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 2707. Divisors (8): 1, 2, 5, 10, 2707, 5414, 13535, 27070.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27070 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27070 is composite. Its prime factorisation is
- 3
The divisors add up to 48744; without 27070 itself that is 21674, so 27070 is deficient (21674 is less than 27070). Euler's totient φ(27070) = 10824 numbers up to 27070 share no factor with it.
- 4
The digits of 27070 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 152 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27070 = 2 \times 5 \times 2707 \]
27070 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 48744 |
| Euler totient φ(n) | 10824 |
| Square | 732784900 |
| Cube | 19836487243000 |
| Square root | 164.529633 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 152 |
| Scientific notation | 2.707 × |
27070 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand and seventy |
| Binary (base 2) | 110100110111110 |
| Octal (base 8) | 64676 |
| Hexadecimal (base 16) | 69BE |
| Base 3 | 1101010121 |
| As time | 27070 seconds = 7 h 31 min 10 s |
Is 27070 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27070 ÷ 2 = 13535) | 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 (27070 ÷ 5 = 5414) | 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 1) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (27070 ÷ 10 = 2707) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 27070 a prime number?
No. 27070 = 2 × 5 × 2707, so it is divisible by 2.
What are the factors of 27070?
1, 2, 5, 10, 2707, 5414, 13535, 27070.
What is 27070 in binary?
110100110111110 (hexadecimal 69BE, octal 64676).
What is the square root of 27070?
About 164.5296.
Is 27070 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 27070?
It is a composite number with 8 divisors.