The number 27669
27669 is a composite number with 8 divisors. Its prime factorisation is 3 × 23 × 401. Divisors (8): 1, 3, 23, 69, 401, 1203, 9223, 27669.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27669 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27669 is composite. Its prime factorisation is
- 3
The divisors add up to 38592; without 27669 itself that is 10923, so 27669 is deficient (10923 is less than 27669). Euler's totient φ(27669) = 17600 numbers up to 27669 share no factor with it.
- 4
The digits of 27669 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 108 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27669 = 3 \times 23 \times 401 \]
27669 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 38592 |
| Euler totient φ(n) | 17600 |
| Square | 765573561 |
| Cube | 21182654859309 |
| Square root | 166.340013 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 108 |
| Scientific notation | 2.7669 × |
27669 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand six hundred and sixty-nine |
| Binary (base 2) | 110110000010101 |
| Octal (base 8) | 66025 |
| Hexadecimal (base 16) | 6C15 |
| Base 3 | 1101221210 |
| As time | 27669 seconds = 7 h 41 min 9 s |
Is 27669 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 | Yes (27669 ÷ 3 = 9223) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27669 a prime number?
No. 27669 = 3 × 23 × 401, so it is divisible by 3.
What are the factors of 27669?
1, 3, 23, 69, 401, 1203, 9223, 27669.
What is 27669 in binary?
110110000010101 (hexadecimal 6C15, octal 66025).
What is the square root of 27669?
About 166.3400.
Is 27669 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 27669?
It is a composite number with 8 divisors.