The number 30426
30426 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 11 × 461. Divisors (16): 1, 2, 3, 6, 11, 22, 33, 66, 461, 922, 1383, 2766, 5071, 10142, 15213, 30426.
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How to work it out
- 1
30426 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
30426 is composite. Its prime factorisation is
- 3
The divisors add up to 66528; without 30426 itself that is 36102, so 30426 is abundant (36102 is more than 30426). Euler's totient φ(30426) = 9200 numbers up to 30426 share no factor with it.
- 4
The digits of 30426 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 85 steps to reach 1.
LaTeX source of the formulas on this page
\[ 30426 = 2 \times 3 \times 11 \times 461 \]
30426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 66528 |
| Euler totient φ(n) | 9200 |
| Square | 925741476 |
| Cube | 28166610148776 |
| Square root | 174.430502 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 85 |
| Scientific notation | 3.0426 × |
30426 in other forms
| Form | Value |
|---|---|
| In words | thirty thousand four hundred and twenty-six |
| Binary (base 2) | 111011011011010 |
| Octal (base 8) | 73332 |
| Hexadecimal (base 16) | 76DA |
| Base 3 | 1112201220 |
| As time | 30426 seconds = 8 h 27 min 6 s |
Is 30426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (30426 ÷ 2 = 15213) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (30426 ÷ 3 = 10142) | 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 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (30426 ÷ 6 = 5071) | 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 2) | 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 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (30426 ÷ 11 = 2766) | 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 30426 a prime number?
No. 30426 = 2 × 3 × 11 × 461, so it is divisible by 2.
What are the factors of 30426?
1, 2, 3, 6, 11, 22, 33, 66, 461, 922, 1383, 2766, 5071, 10142, 15213, 30426.
What is 30426 in binary?
111011011011010 (hexadecimal 76DA, octal 73332).
What is the square root of 30426?
About 174.4305.
Is 30426 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 30426?
It is a composite number with 16 divisors.