192nd

The number 192 is the integer following 191 and preceding 193. In Roman numerals, it is written as CXCII. As a binary number, it is 11000000. Nineteen hundred and two is 1902 in numerals.

In mathematics, 192 is an even composite number. Its prime factorization is 2^6 * 3. It is divisible by 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, and 192. The sum of its proper divisors is 255. It is also a Harshad number in base 10 because it is divisible by the sum of its digits (1+9+2=12, and 192/12=16).

In the context of measurements, 192 is a common factor in various systems. For example, there are 192 ounces in a gallon in the US customary system. In music, a musical scale can contain 192 different pitches. In astronomy, the diameter of the Moon is approximately 192 times smaller than the diameter of the Sun.

The year 192 AD was during the reign of Commodus in the Roman Empire. The year 1992 was a leap year.