The number 49430
49430 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 4943. Divisors (8): 1, 2, 5, 10, 4943, 9886, 24715, 49430.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49430 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49430 is composite. Its prime factorisation is
- 3
The divisors add up to 88992; without 49430 itself that is 39562, so 49430 is deficient (39562 is less than 49430). Euler's totient φ(49430) = 19768 numbers up to 49430 share no factor with it.
- 4
The digits of 49430 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 119 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49430 = 2 \times 5 \times 4943 \]
49430 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 88992 |
| Euler totient φ(n) | 19768 |
| Square | 2443324900 |
| Cube | 120773549807000 |
| Square root | 222.328586 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 119 |
| Scientific notation | 4.943 × |
49430 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and thirty |
| Binary (base 2) | 1100000100010110 |
| Octal (base 8) | 140426 |
| Hexadecimal (base 16) | C116 |
| Base 3 | 2111210202 |
| As time | 49430 seconds = 13 h 43 min 50 s |
Is 49430 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49430 ÷ 2 = 24715) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | 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 | Yes (49430 ÷ 5 = 9886) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (49430 ÷ 10 = 4943) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49430 a prime number?
No. 49430 = 2 × 5 × 4943, so it is divisible by 2.
What are the factors of 49430?
1, 2, 5, 10, 4943, 9886, 24715, 49430.
What is 49430 in binary?
1100000100010110 (hexadecimal C116, octal 140426).
What is the square root of 49430?
About 222.3286.
Is 49430 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 49430?
It is a composite number with 8 divisors.