The number 40422
40422 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 6737. Divisors (8): 1, 2, 3, 6, 6737, 13474, 20211, 40422.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40422 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40422 is composite. Its prime factorisation is
- 3
The divisors add up to 80856; without 40422 itself that is 40434, so 40422 is abundant (40434 is more than 40422). Euler's totient φ(40422) = 13472 numbers up to 40422 share no factor with it.
- 4
The digits of 40422 add up to 12, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 137 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40422 = 2 \times 3 \times 6737 \]
40422 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 80856 |
| Euler totient φ(n) | 13472 |
| Square | 1633938084 |
| Cube | 66047045231448 |
| Square root | 201.052232 |
| Digit sum / digital root | 12 / 3 |
| Collatz steps to 1 | 137 |
| Scientific notation | 4.0422 × |
40422 in other forms
| Form | Value |
|---|---|
| In words | forty thousand four hundred and twenty-two |
| Binary (base 2) | 1001110111100110 |
| Octal (base 8) | 116746 |
| Hexadecimal (base 16) | 9DE6 |
| Base 3 | 2001110010 |
| As time | 40422 seconds = 11 h 13 min 42 s |
Is 40422 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (40422 ÷ 2 = 20211) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (40422 ÷ 3 = 13474) | 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 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (40422 ÷ 6 = 6737) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40422 a prime number?
No. 40422 = 2 × 3 × 6737, so it is divisible by 2.
What are the factors of 40422?
1, 2, 3, 6, 6737, 13474, 20211, 40422.
What is 40422 in binary?
1001110111100110 (hexadecimal 9DE6, octal 116746).
What is the square root of 40422?
About 201.0522.
Is 40422 divisible by 3?
Yes. Its digits add up to 12, a multiple of 3.
What is special about the number 40422?
It is a composite number with 8 divisors.