The number 48439
48439 is a composite number with 4 divisors. Its prime factorisation is 59 × 821. Divisors (4): 1, 59, 821, 48439.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48439: a semiprime: 59 × 821, the product of two primes.
- 2
48439 is composite. Its prime factorisation is
- 3
The divisors add up to 49320; without 48439 itself that is 881, so 48439 is deficient (881 is less than 48439). Euler's totient φ(48439) = 47560 numbers up to 48439 share no factor with it.
- 4
The digits of 48439 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 220 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48439 = 59 \times 821 \]
48439 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 49320 |
| Euler totient φ(n) | 47560 |
| Square | 2346336721 |
| Cube | 113654204428519 |
| Square root | 220.088619 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 220 |
| Scientific notation | 4.8439 × |
48439 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand four hundred and thirty-nine |
| Binary (base 2) | 1011110100110111 |
| Octal (base 8) | 136467 |
| Hexadecimal (base 16) | BD37 |
| Base 3 | 2110110001 |
| As time | 48439 seconds = 13 h 27 min 19 s |
Is 48439 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 4) | 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 7) | 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 9) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48439 a prime number?
No. 48439 = 59 × 821, so it is divisible by 59.
What are the factors of 48439?
1, 59, 821, 48439.
What is 48439 in binary?
1011110100110111 (hexadecimal BD37, octal 136467).
What is the square root of 48439?
About 220.0886.
Is 48439 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 48439?
48439 is a semiprime: 59 × 821, the product of two primes.