The number 9698
9698 is a composite number with 8 divisors. Its prime factorisation is 2 × 13 × 373. Divisors (8): 1, 2, 13, 26, 373, 746, 4849, 9698.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 9698: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
9698 is composite. Its prime factorisation is
- 3
The divisors add up to 15708; without 9698 itself that is 6010, so 9698 is deficient (6010 is less than 9698). Euler's totient φ(9698) = 4464 numbers up to 9698 share no factor with it.
- 4
The digits of 9698 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 21 steps to reach 1.
LaTeX source of the formulas on this page
\[ 9698 = 2 \times 13 \times 373 \]
9698 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 15708 |
| Euler totient φ(n) | 4464 |
| Square | 94051204 |
| Cube | 912108576392 |
| Square root | 98.478424 |
| Digit sum / digital root | 32 / 5 |
| Collatz steps to 1 | 21 |
| Scientific notation | 9.698 × |
9698 in other forms
| Form | Value |
|---|---|
| In words | nine thousand six hundred and ninety-eight |
| Binary (base 2) | 10010111100010 |
| Octal (base 8) | 22742 |
| Hexadecimal (base 16) | 25E2 |
| Base 3 | 111022012 |
| As time | 9698 seconds = 2 h 41 min 38 s |
Is 9698 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (9698 ÷ 2 = 4849) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 9698 a prime number?
No. 9698 = 2 × 13 × 373, so it is divisible by 2.
What are the factors of 9698?
1, 2, 13, 26, 373, 746, 4849, 9698.
What is 9698 in binary?
10010111100010 (hexadecimal 25E2, octal 22742).
What is the square root of 9698?
About 98.4784.
Is 9698 divisible by 3?
No. Its digits add up to 32, which is not a multiple of 3.
What is special about the number 9698?
9698 is a happy number: repeatedly adding the squares of its digits reaches 1.