The number 894
894 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 149. Divisors (8): 1, 2, 3, 6, 149, 298, 447, 894.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
894 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
894 is composite. Its prime factorisation is
- 3
The divisors add up to 1800; without 894 itself that is 906, so 894 is abundant (906 is more than 894). Euler's totient φ(894) = 296 numbers up to 894 share no factor with it.
- 4
The digits of 894 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 98 steps to reach 1.
LaTeX source of the formulas on this page
\[ 894 = 2 \times 3 \times 149 \]
894 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 1800 |
| Euler totient φ(n) | 296 |
| Square | 799236 |
| Cube | 714516984 |
| Square root | 29.899833 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 98 |
| Scientific notation | 8.94 × |
894 in other forms
| Form | Value |
|---|---|
| In words | eight hundred and ninety-four |
| Roman numerals | DCCCXCIV |
| Binary (base 2) | 1101111110 |
| Octal (base 8) | 1576 |
| Hexadecimal (base 16) | 37E |
| Base 3 | 1020010 |
| As time | 894 seconds = 14 min 54 s |
Is 894 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (894 ÷ 2 = 447) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (894 ÷ 3 = 298) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (894 ÷ 6 = 149) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 894 a prime number?
No. 894 = 2 × 3 × 149, so it is divisible by 2.
What are the factors of 894?
1, 2, 3, 6, 149, 298, 447, 894.
What is 894 in binary?
1101111110 (hexadecimal 37E, octal 1576).
What is the square root of 894?
About 29.8998.
What is 894 in Roman numerals?
DCCCXCIV.
Is 894 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 894?
It is a composite number with 8 divisors.