The number 46042
46042 is a composite number with 4 divisors. Its prime factorisation is 2 × 23021. Divisors (4): 1, 2, 23021, 46042.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 46042: a semiprime: 2 × 23021, the product of two primes.
- 2
46042 is composite. Its prime factorisation is
- 3
The divisors add up to 69066; without 46042 itself that is 23024, so 46042 is deficient (23024 is less than 46042). Euler's totient φ(46042) = 23020 numbers up to 46042 share no factor with it.
- 4
The digits of 46042 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 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 46042 = 2 \times 23021 \]
46042 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 69066 |
| Euler totient φ(n) | 23020 |
| Square | 2119865764 |
| Cube | 97602859506088 |
| Square root | 214.573997 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 57 |
| Scientific notation | 4.6042 × |
46042 in other forms
| Form | Value |
|---|---|
| In words | forty-six thousand and forty-two |
| Binary (base 2) | 1011001111011010 |
| Octal (base 8) | 131732 |
| Hexadecimal (base 16) | B3DA |
| Base 3 | 2100011021 |
| As time | 46042 seconds = 12 h 47 min 22 s |
Is 46042 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (46042 ÷ 2 = 23021) | 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 3) | 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 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 7) | 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 46042 a prime number?
No. 46042 = 2 × 23021, so it is divisible by 2.
What are the factors of 46042?
1, 2, 23021, 46042.
What is 46042 in binary?
1011001111011010 (hexadecimal B3DA, octal 131732).
What is the square root of 46042?
About 214.5740.
Is 46042 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 46042?
46042 is a semiprime: 2 × 23021, the product of two primes.