The number 48646
48646 is a composite number with 8 divisors. Its prime factorisation is 2 × 13 × 1871. Divisors (8): 1, 2, 13, 26, 1871, 3742, 24323, 48646.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48646 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48646 is composite. Its prime factorisation is
- 3
The divisors add up to 78624; without 48646 itself that is 29978, so 48646 is deficient (29978 is less than 48646). Euler's totient φ(48646) = 22440 numbers up to 48646 share no factor with it.
- 4
The digits of 48646 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 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48646 = 2 \times 13 \times 1871 \]
48646 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 78624 |
| Euler totient φ(n) | 22440 |
| Square | 2366433316 |
| Cube | 115117515090136 |
| Square root | 220.558382 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.8646 × |
48646 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand six hundred and forty-six |
| Binary (base 2) | 1011111000000110 |
| Octal (base 8) | 137006 |
| Hexadecimal (base 16) | BE06 |
| Base 3 | 2110201201 |
| As time | 48646 seconds = 13 h 30 min 46 s |
Is 48646 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48646 ÷ 2 = 24323) | 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 | 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 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 6) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48646 a prime number?
No. 48646 = 2 × 13 × 1871, so it is divisible by 2.
What are the factors of 48646?
1, 2, 13, 26, 1871, 3742, 24323, 48646.
What is 48646 in binary?
1011111000000110 (hexadecimal BE06, octal 137006).
What is the square root of 48646?
About 220.5584.
Is 48646 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 48646?
It is a composite number with 8 divisors.