270

270 is a natural number that follows 269 and precedes 271. In mathematics, it factors as 2 × 3^3 × 5, giving it 16 positive divisors. It is even and divisible by 3, 5, and 9. In base 10 it is written as 270; in hexadecimal it is 0x10E and in binary 100001110.

In geometry, 270 degrees is three quarters of a full turn. In radians, it equals 3π/2, and on the unit circle it corresponds to the point (0, −1). It is commonly used in rotations and orientation calculations in graphics and engineering.

In timekeeping, 270 minutes equal 4 hours and 30 minutes, and 270 seconds equal 4 minutes and 30 seconds.

In geography, the area code 270 is used in parts of Kentucky, including western and south-central regions.

In history, the year 270 CE occurred during the Crisis of the Third Century in the Roman Empire, a period marked by military and political upheaval.

Other uses of 270 appear in catalog numbers, model identifiers, and various numbering schemes. The number also serves as a reference point in numerology and trivia, where its properties as a multiple of 9 and of small primes are noted. Overall, 270 is a versatile integer with several distinct applications across mathematics, measurement, and labeling.