The number 98122
98122 is a composite number with 8 divisors. Its prime factorisation is 2 × 71 × 691. Divisors (8): 1, 2, 71, 142, 691, 1382, 49061, 98122.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
98122 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
98122 is composite. Its prime factorisation is
- 3
The divisors add up to 149472; without 98122 itself that is 51350, so 98122 is deficient (51350 is less than 98122). Euler's totient φ(98122) = 48300 numbers up to 98122 share no factor with it.
- 4
The digits of 98122 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 71 steps to reach 1.
LaTeX source of the formulas on this page
\[ 98122 = 2 \times 71 \times 691 \]
98122 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 149472 |
| Euler totient φ(n) | 48300 |
| Square | 9627926884 |
| Cube | 944711441711848 |
| Square root | 313.244314 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 71 |
| Scientific notation | 9.8122 × |
98122 in other forms
| Form | Value |
|---|---|
| In words | ninety-eight thousand one hundred and twenty-two |
| Binary (base 2) | 10111111101001010 |
| Octal (base 8) | 277512 |
| Hexadecimal (base 16) | 17F4A |
| Base 3 | 11222121011 |
| As time | 98122 seconds = 27 h 15 min 22 s |
Is 98122 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (98122 ÷ 2 = 49061) | 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 2) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | 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 98122 a prime number?
No. 98122 = 2 × 71 × 691, so it is divisible by 2.
What are the factors of 98122?
1, 2, 71, 142, 691, 1382, 49061, 98122.
What is 98122 in binary?
10111111101001010 (hexadecimal 17F4A, octal 277512).
What is the square root of 98122?
About 313.2443.
Is 98122 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 98122?
It is a composite number with 8 divisors.