The number 27470
27470 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 41 × 67. Divisors (16): 1, 2, 5, 10, 41, 67, 82, 134, 205, 335, 410, 670, 2747, 5494, 13735, 27470.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27470 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27470 is composite. Its prime factorisation is
- 3
The divisors add up to 51408; without 27470 itself that is 23938, so 27470 is deficient (23938 is less than 27470). Euler's totient φ(27470) = 10560 numbers up to 27470 share no factor with it.
- 4
The digits of 27470 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27470 = 2 \times 5 \times 41 \times 67 \]
27470 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 51408 |
| Euler totient φ(n) | 10560 |
| Square | 754600900 |
| Cube | 20728886723000 |
| Square root | 165.740761 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 64 |
| Scientific notation | 2.747 × |
27470 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand four hundred and seventy |
| Binary (base 2) | 110101101001110 |
| Octal (base 8) | 65516 |
| Hexadecimal (base 16) | 6B4E |
| Base 3 | 1101200102 |
| As time | 27470 seconds = 7 h 37 min 50 s |
Is 27470 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27470 ÷ 2 = 13735) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | 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 (27470 ÷ 5 = 5494) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (27470 ÷ 10 = 2747) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27470 a prime number?
No. 27470 = 2 × 5 × 41 × 67, so it is divisible by 2.
What are the factors of 27470?
1, 2, 5, 10, 41, 67, 82, 134, 205, 335, 410, 670, 2747, 5494, 13735, 27470.
What is 27470 in binary?
110101101001110 (hexadecimal 6B4E, octal 65516).
What is the square root of 27470?
About 165.7408.
Is 27470 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 27470?
It is a composite number with 16 divisors.