The number 42674
42674 is a composite number with 8 divisors. Its prime factorisation is 2 × 19 × 1123. Divisors (8): 1, 2, 19, 38, 1123, 2246, 21337, 42674.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42674 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42674 is composite. Its prime factorisation is
- 3
The divisors add up to 67440; without 42674 itself that is 24766, so 42674 is deficient (24766 is less than 42674). Euler's totient φ(42674) = 20196 numbers up to 42674 share no factor with it.
- 4
The digits of 42674 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42674 = 2 \times 19 \times 1123 \]
42674 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 67440 |
| Euler totient φ(n) | 20196 |
| Square | 1821070276 |
| Cube | 77712352958024 |
| Square root | 206.576862 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 57 |
| Scientific notation | 4.2674 × |
42674 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand six hundred and seventy-four |
| Binary (base 2) | 1010011010110010 |
| Octal (base 8) | 123262 |
| Hexadecimal (base 16) | A6B2 |
| Base 3 | 2011112112 |
| As time | 42674 seconds = 11 h 51 min 14 s |
Is 42674 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42674 ÷ 2 = 21337) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42674 a prime number?
No. 42674 = 2 × 19 × 1123, so it is divisible by 2.
What are the factors of 42674?
1, 2, 19, 38, 1123, 2246, 21337, 42674.
What is 42674 in binary?
1010011010110010 (hexadecimal A6B2, octal 123262).
What is the square root of 42674?
About 206.5769.
Is 42674 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 42674?
It is a composite number with 8 divisors.