The number 61042
61042 is a composite number with 8 divisors. Its prime factorisation is 2 × 23 × 1327. Divisors (8): 1, 2, 23, 46, 1327, 2654, 30521, 61042.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
61042 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
61042 is composite. Its prime factorisation is
- 3
The divisors add up to 95616; without 61042 itself that is 34574, so 61042 is deficient (34574 is less than 61042). Euler's totient φ(61042) = 29172 numbers up to 61042 share no factor with it.
- 4
The digits of 61042 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 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61042 = 2 \times 23 \times 1327 \]
61042 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 95616 |
| Euler totient φ(n) | 29172 |
| Square | 3726125764 |
| Cube | 227450168886088 |
| Square root | 247.066793 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 73 |
| Scientific notation | 6.1042 × |
61042 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand and forty-two |
| Binary (base 2) | 1110111001110010 |
| Octal (base 8) | 167162 |
| Hexadecimal (base 16) | EE72 |
| Base 3 | 10002201211 |
| As time | 61042 seconds = 16 h 57 min 22 s |
Is 61042 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (61042 ÷ 2 = 30521) | 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 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 4) | 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 3) | 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 61042 a prime number?
No. 61042 = 2 × 23 × 1327, so it is divisible by 2.
What are the factors of 61042?
1, 2, 23, 46, 1327, 2654, 30521, 61042.
What is 61042 in binary?
1110111001110010 (hexadecimal EE72, octal 167162).
What is the square root of 61042?
About 247.0668.
Is 61042 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 61042?
It is a composite number with 8 divisors.