The number 734
734 is a composite number with 4 divisors. Its prime factorisation is 2 × 367. Divisors (4): 1, 2, 367, 734.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 734: a semiprime: 2 × 367, the product of two primes.
- 2
734 is composite. Its prime factorisation is
- 3
The divisors add up to 1104; without 734 itself that is 370, so 734 is deficient (370 is less than 734). Euler's totient φ(734) = 366 numbers up to 734 share no factor with it.
- 4
The digits of 734 add up to 14, 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
\[ 734 = 2 \times 367 \]
734 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 1104 |
| Euler totient φ(n) | 366 |
| Square | 538756 |
| Cube | 395446904 |
| Square root | 27.092434 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 46 |
| Scientific notation | 7.34 × |
734 in other forms
| Form | Value |
|---|---|
| In words | seven hundred and thirty-four |
| Roman numerals | DCCXXXIV |
| Binary (base 2) | 1011011110 |
| Octal (base 8) | 1336 |
| Hexadecimal (base 16) | 2DE |
| Base 3 | 1000012 |
| As time | 734 seconds = 12 min 14 s |
Is 734 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (734 ÷ 2 = 367) | 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 4) | 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 6) | 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 5) | 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 8) | 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 734 a prime number?
No. 734 = 2 × 367, so it is divisible by 2.
What are the factors of 734?
1, 2, 367, 734.
What is 734 in binary?
1011011110 (hexadecimal 2DE, octal 1336).
What is the square root of 734?
About 27.0924.
What is 734 in Roman numerals?
DCCXXXIV.
Is 734 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 734?
734 is a semiprime: 2 × 367, the product of two primes.