The number 48890
48890 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 4889. Divisors (8): 1, 2, 5, 10, 4889, 9778, 24445, 48890.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48890 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48890 is composite. Its prime factorisation is
- 3
The divisors add up to 88020; without 48890 itself that is 39130, so 48890 is deficient (39130 is less than 48890). Euler's totient φ(48890) = 19552 numbers up to 48890 share no factor with it.
- 4
The digits of 48890 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48890 = 2 \times 5 \times 4889 \]
48890 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 88020 |
| Euler totient φ(n) | 19552 |
| Square | 2390232100 |
| Cube | 116858447369000 |
| Square root | 221.110832 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.889 × |
48890 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand eight hundred and ninety |
| Binary (base 2) | 1011111011111010 |
| Octal (base 8) | 137372 |
| Hexadecimal (base 16) | BEFA |
| Base 3 | 2111001202 |
| As time | 48890 seconds = 13 h 34 min 50 s |
Is 48890 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48890 ÷ 2 = 24445) | 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 (48890 ÷ 5 = 9778) | 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 2) | 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 2) | 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 (48890 ÷ 10 = 4889) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | 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 48890 a prime number?
No. 48890 = 2 × 5 × 4889, so it is divisible by 2.
What are the factors of 48890?
1, 2, 5, 10, 4889, 9778, 24445, 48890.
What is 48890 in binary?
1011111011111010 (hexadecimal BEFA, octal 137372).
What is the square root of 48890?
About 221.1108.
Is 48890 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 48890?
It is a composite number with 8 divisors.