111011010

111011010 is a binary number, which is a base-2 numeral system used in digital electronics and computing. In binary, each digit, or bit, can be either 0 or 1. The number 111011010 consists of nine bits, with the leftmost bit being the most significant and the rightmost bit being the least significant.

To convert 111011010 from binary to decimal, one can use the positional notation method. Each bit represents a power of 2, starting from 2^0 (the rightmost bit) to 2^8 (the leftmost bit). The decimal equivalent of 111011010 is calculated as follows:

(1 * 2^8) + (1 * 2^7) + (1 * 2^6) + (0 * 2^5) + (1 * 2^4) + (1 * 2^3) + (0 * 2^2) + (1 * 2^1) + (0 * 2^0)

= 256 + 128 + 64 + 0 + 16 + 8 + 0 + 2 + 0

= 478

Therefore, the decimal equivalent of the binary number 111011010 is 478. Binary numbers are widely used in computer science for representing data, instructions, and addresses in memory. They are also used in digital logic circuits to perform arithmetic and logical operations.