The number 48691
48691 is a composite number with 8 divisors. Its prime factorisation is 23 × 29 × 73. Divisors (8): 1, 23, 29, 73, 667, 1679, 2117, 48691.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48691 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48691 is composite. Its prime factorisation is
- 3
The divisors add up to 53280; without 48691 itself that is 4589, so 48691 is deficient (4589 is less than 48691). Euler's totient φ(48691) = 44352 numbers up to 48691 share no factor with it.
- 4
The digits of 48691 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 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48691 = 23 \times 29 \times 73 \]
48691 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 53280 |
| Euler totient φ(n) | 44352 |
| Square | 2370813481 |
| Cube | 115437279203371 |
| Square root | 220.660373 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 70 |
| Scientific notation | 4.8691 × |
48691 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand six hundred and ninety-one |
| Binary (base 2) | 1011111000110011 |
| Octal (base 8) | 137063 |
| Hexadecimal (base 16) | BE33 |
| Base 3 | 2110210101 |
| As time | 48691 seconds = 13 h 31 min 31 s |
Is 48691 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 3) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 3) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48691 a prime number?
No. 48691 = 23 × 29 × 73, so it is divisible by 23.
What are the factors of 48691?
1, 23, 29, 73, 667, 1679, 2117, 48691.
What is 48691 in binary?
1011111000110011 (hexadecimal BE33, octal 137063).
What is the square root of 48691?
About 220.6604.
Is 48691 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 48691?
It is a composite number with 8 divisors.