The number 27436
27436 is a composite number with 12 divisors. Its prime factorisation is × . Divisors (12): 1, 2, 4, 19, 38, 76, 361, 722, 1444, 6859, 13718, 27436.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27436 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27436 is composite. Its prime factorisation is
- 3
The divisors add up to 50680; without 27436 itself that is 23244, so 27436 is deficient (23244 is less than 27436). Euler's totient φ(27436) = 12996 numbers up to 27436 share no factor with it.
- 4
The digits of 27436 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27436 = 2^{2} \times 19^{3} \]27436 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 50680 |
| Euler totient φ(n) | 12996 |
| Square | 752734096 |
| Cube | 20652012657856 |
| Square root | 165.638160 (= 38√19) |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 64 |
| Scientific notation | 2.7436 × |
27436 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand four hundred and thirty-six |
| Binary (base 2) | 110101100101100 |
| Octal (base 8) | 65454 |
| Hexadecimal (base 16) | 6B2C |
| Base 3 | 1101122011 |
| As time | 27436 seconds = 7 h 37 min 16 s |
Is 27436 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27436 ÷ 2 = 13718) | 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 | Yes (27436 ÷ 4 = 6859) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 3) | 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27436 a prime number?
No. 27436 = × , so it is divisible by 2.
What are the factors of 27436?
1, 2, 4, 19, 38, 76, 361, 722, 1444, 6859, 13718, 27436.
What is 27436 in binary?
110101100101100 (hexadecimal 6B2C, octal 65454).
What is the square root of 27436?
About 165.6382, exactly 38√19.
Is 27436 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 27436?
It is a composite number with 12 divisors.