The number 49179
49179 is a composite number with 12 divisors. Its prime factorisation is 3 × × 97. Divisors (12): 1, 3, 13, 39, 97, 169, 291, 507, 1261, 3783, 16393, 49179.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49179 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49179 is composite. Its prime factorisation is
- 3
The divisors add up to 71736; without 49179 itself that is 22557, so 49179 is deficient (22557 is less than 49179). Euler's totient φ(49179) = 29952 numbers up to 49179 share no factor with it.
- 4
The digits of 49179 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 220 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49179 = 3 \times 13^{2} \times 97 \]49179 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 71736 |
| Euler totient φ(n) | 29952 |
| Square | 2418574041 |
| Cube | 118943052762339 |
| Square root | 221.763387 (= 13√291) |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 220 |
| Scientific notation | 4.9179 × |
49179 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand one hundred and seventy-nine |
| Binary (base 2) | 1100000000011011 |
| Octal (base 8) | 140033 |
| Hexadecimal (base 16) | C01B |
| Base 3 | 2111110110 |
| As time | 49179 seconds = 13 h 39 min 39 s |
Is 49179 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 | Yes (49179 ÷ 3 = 16393) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 3) | 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 3) | 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 9) | 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49179 a prime number?
No. 49179 = 3 × × 97, so it is divisible by 3.
What are the factors of 49179?
1, 3, 13, 39, 97, 169, 291, 507, 1261, 3783, 16393, 49179.
What is 49179 in binary?
1100000000011011 (hexadecimal C01B, octal 140033).
What is the square root of 49179?
About 221.7634, exactly 13√291.
Is 49179 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 49179?
It is a composite number with 12 divisors.