Which definition of M do you mean?

  • M n the 13th letter of the Roman alphabet
  • Megabyte n a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
  • Megabyte n a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
  • Meter n the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
  • Molarity n concentration measured by the number of moles of solute per liter of solution
  • Thousand n the cardinal number that is the product of 10 and 100
  • Thousand s denoting a quantity consisting of 1,000 items or units