The number 49816
49816 is a composite number with 16 divisors. Its prime factorisation is × 13 × 479. Divisors (16): 1, 2, 4, 8, 13, 26, 52, 104, 479, 958, 1916, 3832, 6227, 12454, 24908, 49816.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49816 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49816 is composite. Its prime factorisation is
- 3
The divisors add up to 100800; without 49816 itself that is 50984, so 49816 is abundant (50984 is more than 49816). Euler's totient φ(49816) = 22944 numbers up to 49816 share no factor with it.
- 4
The digits of 49816 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49816 = 2^{3} \times 13 \times 479 \]49816 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 100800 |
| Euler totient φ(n) | 22944 |
| Square | 2481633856 |
| Cube | 123625072170496 |
| Square root | 223.194982 (= 2√12454) |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9816 × |
49816 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and sixteen |
| Binary (base 2) | 1100001010011000 |
| Octal (base 8) | 141230 |
| Hexadecimal (base 16) | C298 |
| Base 3 | 2112100001 |
| As time | 49816 seconds = 13 h 50 min 16 s |
Is 49816 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49816 ÷ 2 = 24908) | 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 | Yes (49816 ÷ 4 = 12454) | 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 | No (remainder 4) | 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 | Yes (49816 ÷ 8 = 6227) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | 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 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49816 a prime number?
No. 49816 = × 13 × 479, so it is divisible by 2.
What are the factors of 49816?
1, 2, 4, 8, 13, 26, 52, 104, 479, 958, 1916, 3832, 6227, 12454, 24908, 49816.
What is 49816 in binary?
1100001010011000 (hexadecimal C298, octal 141230).
What is the square root of 49816?
About 223.1950, exactly 2√12454.
Is 49816 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 49816?
It is a composite number with 16 divisors.