The number 42622
42622 is a composite number with 8 divisors. Its prime factorisation is 2 × 101 × 211. Divisors (8): 1, 2, 101, 202, 211, 422, 21311, 42622.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42622 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42622 is composite. Its prime factorisation is
- 3
The divisors add up to 64872; without 42622 itself that is 22250, so 42622 is deficient (22250 is less than 42622). Euler's totient φ(42622) = 21000 numbers up to 42622 share no factor with it.
- 4
The digits of 42622 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 150 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42622 = 2 \times 101 \times 211 \]
42622 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 64872 |
| Euler totient φ(n) | 21000 |
| Square | 1816634884 |
| Cube | 77428612025848 |
| Square root | 206.450963 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 150 |
| Scientific notation | 4.2622 × |
42622 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand six hundred and twenty-two |
| Binary (base 2) | 1010011001111110 |
| Octal (base 8) | 123176 |
| Hexadecimal (base 16) | A67E |
| Base 3 | 2011110121 |
| As time | 42622 seconds = 11 h 50 min 22 s |
Is 42622 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42622 ÷ 2 = 21311) | 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 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 | No (remainder 4) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42622 a prime number?
No. 42622 = 2 × 101 × 211, so it is divisible by 2.
What are the factors of 42622?
1, 2, 101, 202, 211, 422, 21311, 42622.
What is 42622 in binary?
1010011001111110 (hexadecimal A67E, octal 123176).
What is the square root of 42622?
About 206.4510.
Is 42622 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 42622?
It is a composite number with 8 divisors.