The number 98449
98449 is a composite number with 4 divisors. Its prime factorisation is 13 × 7573. Divisors (4): 1, 13, 7573, 98449.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 98449: a semiprime: 13 × 7573, the product of two primes.
- 2
98449 is composite. Its prime factorisation is
- 3
The divisors add up to 106036; without 98449 itself that is 7587, so 98449 is deficient (7587 is less than 98449). Euler's totient φ(98449) = 90864 numbers up to 98449 share no factor with it.
- 4
The digits of 98449 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 84 steps to reach 1.
LaTeX source of the formulas on this page
\[ 98449 = 13 \times 7573 \]
98449 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 106036 |
| Euler totient φ(n) | 90864 |
| Square | 9692205601 |
| Cube | 954187949212849 |
| Square root | 313.765836 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 84 |
| Scientific notation | 9.8449 × |
98449 in other forms
| Form | Value |
|---|---|
| In words | ninety-eight thousand four hundred and forty-nine |
| Binary (base 2) | 11000000010010001 |
| Octal (base 8) | 300221 |
| Hexadecimal (base 16) | 18091 |
| Base 3 | 12000001021 |
| As time | 98449 seconds = 27 h 20 min 49 s |
Is 98449 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 7) | 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 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 98449 a prime number?
No. 98449 = 13 × 7573, so it is divisible by 13.
What are the factors of 98449?
1, 13, 7573, 98449.
What is 98449 in binary?
11000000010010001 (hexadecimal 18091, octal 300221).
What is the square root of 98449?
About 313.7658.
Is 98449 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 98449?
98449 is a semiprime: 13 × 7573, the product of two primes.