The number 61422
61422 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 29 × 353. Divisors (16): 1, 2, 3, 6, 29, 58, 87, 174, 353, 706, 1059, 2118, 10237, 20474, 30711, 61422.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
61422 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
61422 is composite. Its prime factorisation is
- 3
The divisors add up to 127440; without 61422 itself that is 66018, so 61422 is abundant (66018 is more than 61422). Euler's totient φ(61422) = 19712 numbers up to 61422 share no factor with it.
- 4
The digits of 61422 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 135 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61422 = 2 \times 3 \times 29 \times 353 \]
61422 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 127440 |
| Euler totient φ(n) | 19712 |
| Square | 3772662084 |
| Cube | 231724450523448 |
| Square root | 247.834622 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 135 |
| Scientific notation | 6.1422 × |
61422 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand four hundred and twenty-two |
| Binary (base 2) | 1110111111101110 |
| Octal (base 8) | 167756 |
| Hexadecimal (base 16) | EFEE |
| Base 3 | 10010020220 |
| As time | 61422 seconds = 17 h 3 min 42 s |
Is 61422 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (61422 ÷ 2 = 30711) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (61422 ÷ 3 = 20474) | 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 (61422 ÷ 6 = 10237) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 6) | 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 9) | 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 61422 a prime number?
No. 61422 = 2 × 3 × 29 × 353, so it is divisible by 2.
What are the factors of 61422?
1, 2, 3, 6, 29, 58, 87, 174, 353, 706, 1059, 2118, 10237, 20474, 30711, 61422.
What is 61422 in binary?
1110111111101110 (hexadecimal EFEE, octal 167756).
What is the square root of 61422?
About 247.8346.
Is 61422 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 61422?
It is a composite number with 16 divisors.