The number 60942
60942 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 7 × 1451. Divisors (16): 1, 2, 3, 6, 7, 14, 21, 42, 1451, 2902, 4353, 8706, 10157, 20314, 30471, 60942.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 60942: a Harshad number: divisible by its digit sum 21.
- 2
60942 is composite. Its prime factorisation is
- 3
The divisors add up to 139392; without 60942 itself that is 78450, so 60942 is abundant (78450 is more than 60942). Euler's totient φ(60942) = 17400 numbers up to 60942 share no factor with it.
- 4
The digits of 60942 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 86 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60942 = 2 \times 3 \times 7 \times 1451 \]
60942 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 139392 |
| Euler totient φ(n) | 17400 |
| Square | 3713927364 |
| Cube | 226334161416888 |
| Square root | 246.864335 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 86 |
| Scientific notation | 6.0942 × |
60942 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand nine hundred and forty-two |
| Binary (base 2) | 1110111000001110 |
| Octal (base 8) | 167016 |
| Hexadecimal (base 16) | EE0E |
| Base 3 | 10002121010 |
| As time | 60942 seconds = 16 h 55 min 42 s |
Is 60942 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (60942 ÷ 2 = 30471) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (60942 ÷ 3 = 20314) | 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 (60942 ÷ 6 = 10157) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (60942 ÷ 7 = 8706) | 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 2) | 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 60942 a prime number?
No. 60942 = 2 × 3 × 7 × 1451, so it is divisible by 2.
What are the factors of 60942?
1, 2, 3, 6, 7, 14, 21, 42, 1451, 2902, 4353, 8706, 10157, 20314, 30471, 60942.
What is 60942 in binary?
1110111000001110 (hexadecimal EE0E, octal 167016).
What is the square root of 60942?
About 246.8643.
Is 60942 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 60942?
60942 is a Harshad number: divisible by its digit sum 21.