The number 48940
48940 is a composite number with 12 divisors. Its prime factorisation is × 5 × 2447. Divisors (12): 1, 2, 4, 5, 10, 20, 2447, 4894, 9788, 12235, 24470, 48940.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48940 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48940 is composite. Its prime factorisation is
- 3
The divisors add up to 102816; without 48940 itself that is 53876, so 48940 is abundant (53876 is more than 48940). Euler's totient φ(48940) = 19568 numbers up to 48940 share no factor with it.
- 4
The digits of 48940 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 114 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48940 = 2^{2} \times 5 \times 2447 \]48940 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 102816 |
| Euler totient φ(n) | 19568 |
| Square | 2395123600 |
| Cube | 117217348984000 |
| Square root | 221.223869 (= 2√12235) |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 114 |
| Scientific notation | 4.894 × |
48940 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand nine hundred and forty |
| Binary (base 2) | 1011111100101100 |
| Octal (base 8) | 137454 |
| Hexadecimal (base 16) | BF2C |
| Base 3 | 2111010121 |
| As time | 48940 seconds = 13 h 35 min 40 s |
Is 48940 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48940 ÷ 2 = 24470) | 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 (48940 ÷ 4 = 12235) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (48940 ÷ 5 = 9788) | 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 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 4) | 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 | Yes (48940 ÷ 10 = 4894) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | 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 48940 a prime number?
No. 48940 = × 5 × 2447, so it is divisible by 2.
What are the factors of 48940?
1, 2, 4, 5, 10, 20, 2447, 4894, 9788, 12235, 24470, 48940.
What is 48940 in binary?
1011111100101100 (hexadecimal BF2C, octal 137454).
What is the square root of 48940?
About 221.2239, exactly 2√12235.
Is 48940 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 48940?
It is a composite number with 12 divisors.