The number 48986
48986 is a composite number with 8 divisors. Its prime factorisation is 2 × 7 × 3499. Divisors (8): 1, 2, 7, 14, 3499, 6998, 24493, 48986.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48986 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48986 is composite. Its prime factorisation is
- 3
The divisors add up to 84000; without 48986 itself that is 35014, so 48986 is deficient (35014 is less than 48986). Euler's totient φ(48986) = 20988 numbers up to 48986 share no factor with it.
- 4
The digits of 48986 add up to 35, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 189 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48986 = 2 \times 7 \times 3499 \]
48986 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 84000 |
| Euler totient φ(n) | 20988 |
| Square | 2399628196 |
| Cube | 117548186809256 |
| Square root | 221.327811 |
| Digit sum / digital root | 35 / 8 |
| Collatz steps to 1 | 189 |
| Scientific notation | 4.8986 × |
48986 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand nine hundred and eighty-six |
| Binary (base 2) | 1011111101011010 |
| Octal (base 8) | 137532 |
| Hexadecimal (base 16) | BF5A |
| Base 3 | 2111012022 |
| As time | 48986 seconds = 13 h 36 min 26 s |
Is 48986 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48986 ÷ 2 = 24493) | 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 | No (remainder 1) | 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 | Yes (48986 ÷ 7 = 6998) | 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 8) | 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 3) | 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 48986 a prime number?
No. 48986 = 2 × 7 × 3499, so it is divisible by 2.
What are the factors of 48986?
1, 2, 7, 14, 3499, 6998, 24493, 48986.
What is 48986 in binary?
1011111101011010 (hexadecimal BF5A, octal 137532).
What is the square root of 48986?
About 221.3278.
Is 48986 divisible by 3?
No. Its digits add up to 35, which is not a multiple of 3.
What is special about the number 48986?
It is a composite number with 8 divisors.