The number 40671
40671 is a composite number with 6 divisors. Its prime factorisation is × 4519. Divisors (6): 1, 3, 9, 4519, 13557, 40671.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40671 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40671 is composite. Its prime factorisation is
- 3
The divisors add up to 58760; without 40671 itself that is 18089, so 40671 is deficient (18089 is less than 40671). Euler's totient φ(40671) = 27108 numbers up to 40671 share no factor with it.
- 4
The digits of 40671 add up to 18, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 181 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40671 = 3^{2} \times 4519 \]40671 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 58760 |
| Euler totient φ(n) | 27108 |
| Square | 1654130241 |
| Cube | 67275131031711 |
| Square root | 201.670523 (= 3√4519) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 181 |
| Scientific notation | 4.0671 × |
40671 in other forms
| Form | Value |
|---|---|
| In words | forty thousand six hundred and seventy-one |
| Binary (base 2) | 1001111011011111 |
| Octal (base 8) | 117337 |
| Hexadecimal (base 16) | 9EDF |
| Base 3 | 2001210100 |
| As time | 40671 seconds = 11 h 17 min 51 s |
Is 40671 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 (40671 ÷ 3 = 13557) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 3) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (40671 ÷ 9 = 4519) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40671 a prime number?
No. 40671 = × 4519, so it is divisible by 3.
What are the factors of 40671?
1, 3, 9, 4519, 13557, 40671.
What is 40671 in binary?
1001111011011111 (hexadecimal 9EDF, octal 117337).
What is the square root of 40671?
About 201.6705, exactly 3√4519.
Is 40671 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 40671?
It is a composite number with 6 divisors.