The number 49489
49489 is a composite number with 6 divisors. Its prime factorisation is Ć 409. Divisors (6): 1, 11, 121, 409, 4499, 49489.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49489 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49489 is composite. Its prime factorisation is
- 3
The divisors add up to 54530; without 49489 itself that is 5041, so 49489 is deficient (5041 is less than 49489). Euler's totient Ļ(49489) = 44880 numbers up to 49489 share no factor with it.
- 4
The digits of 49489 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49489 = 11^{2} \times 409 \]49489 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 54530 |
| Euler totient Ļ(n) | 44880 |
| Square | 2449161121 |
| Cube | 121206534717169 |
| Square root | 222.461233 (= 11ā409) |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9489 Ć |
49489 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and eighty-nine |
| Binary (base 2) | 1100000101010001 |
| Octal (base 8) | 140521 |
| Hexadecimal (base 16) | C151 |
| Base 3 | 2111212221 |
| As time | 49489 seconds = 13 h 44 min 49 s |
Is 49489 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (49489 Ć· 11 = 4499) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49489 a prime number?
No. 49489 = Ć 409, so it is divisible by 11.
What are the factors of 49489?
1, 11, 121, 409, 4499, 49489.
What is 49489 in binary?
1100000101010001 (hexadecimal C151, octal 140521).
What is the square root of 49489?
About 222.4612, exactly 11ā409.
Is 49489 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 49489?
It is a composite number with 6 divisors.