The number 40711
40711 is a composite number with 4 divisors. Its prime factorisation is 11 × 3701. Divisors (4): 1, 11, 3701, 40711.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 40711: a semiprime: 11 × 3701, the product of two primes.
- 2
40711 is composite. Its prime factorisation is
- 3
The divisors add up to 44424; without 40711 itself that is 3713, so 40711 is deficient (3713 is less than 40711). Euler's totient φ(40711) = 37000 numbers up to 40711 share no factor with it.
- 4
The digits of 40711 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 137 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40711 = 11 \times 3701 \]
40711 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 44424 |
| Euler totient φ(n) | 37000 |
| Square | 1657385521 |
| Cube | 67473821945431 |
| Square root | 201.769671 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 137 |
| Scientific notation | 4.0711 × |
40711 in other forms
| Form | Value |
|---|---|
| In words | forty thousand seven hundred and eleven |
| Binary (base 2) | 1001111100000111 |
| Octal (base 8) | 117407 |
| Hexadecimal (base 16) | 9F07 |
| Base 3 | 2001211211 |
| As time | 40711 seconds = 11 h 18 min 31 s |
Is 40711 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 | No (remainder 1) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 | No (remainder 4) | 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 | Yes (40711 ÷ 11 = 3701) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40711 a prime number?
No. 40711 = 11 × 3701, so it is divisible by 11.
What are the factors of 40711?
1, 11, 3701, 40711.
What is 40711 in binary?
1001111100000111 (hexadecimal 9F07, octal 117407).
What is the square root of 40711?
About 201.7697.
Is 40711 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 40711?
40711 is a semiprime: 11 × 3701, the product of two primes.