mega-

"Mega-" is a prefix used in the metric system to denote a factor of one million (1,000,000 or 10⁶). It is symbolized by the letter "M." This prefix is commonly used in various scientific and technical fields to indicate large quantities or dimensions.

For example:

• One megabyte (MB) is equal to one million bytes of digital information.
• One megahertz (MHz) represents one million cycles per second in frequency.
• One megawatt (MW) is equivalent to one million watts of electrical power.

The use of "mega-" as a prefix is standardized in the International System of Units (SI), which provides a coherent system of units of measurement for scientific, industrial, and commercial purposes.