The number 29489
29489 is a composite number with 4 divisors. Its prime factorisation is 37 × 797. Divisors (4): 1, 37, 797, 29489.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 29489: a semiprime: 37 × 797, the product of two primes.
- 2
29489 is composite. Its prime factorisation is
- 3
The divisors add up to 30324; without 29489 itself that is 835, so 29489 is deficient (835 is less than 29489). Euler's totient φ(29489) = 28656 numbers up to 29489 share no factor with it.
- 4
The digits of 29489 add up to 32, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 46 steps to reach 1.
LaTeX source of the formulas on this page
\[ 29489 = 37 \times 797 \]
29489 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 30324 |
| Euler totient φ(n) | 28656 |
| Square | 869601121 |
| Cube | 25643667457169 |
| Square root | 171.723615 |
| Digit sum / digital root | 32 / 5 |
| Collatz steps to 1 | 46 |
| Scientific notation | 2.9489 × |
29489 in other forms
| Form | Value |
|---|---|
| In words | twenty-nine thousand four hundred and eighty-nine |
| Binary (base 2) | 111001100110001 |
| Octal (base 8) | 71461 |
| Hexadecimal (base 16) | 7331 |
| Base 3 | 1111110012 |
| As time | 29489 seconds = 8 h 11 min 29 s |
Is 29489 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 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 29489 a prime number?
No. 29489 = 37 × 797, so it is divisible by 37.
What are the factors of 29489?
1, 37, 797, 29489.
What is 29489 in binary?
111001100110001 (hexadecimal 7331, octal 71461).
What is the square root of 29489?
About 171.7236.
Is 29489 divisible by 3?
No. Its digits add up to 32, which is not a multiple of 3.
What is special about the number 29489?
29489 is a semiprime: 37 × 797, the product of two primes.