The harmonic mean is the special case of the power mean and is one of the Pythagorean means. In older literature, it is sometimes called the subcontrary mean. The volume-to-surface area ratio for a cylindrical container with height and radius and the mean curvature of a general surface are related to the harmonic mean.
The name SMITH is probably the most common of all surnames. The only names that give it any competition for this title would be Jones and Johnson. The most widely accepted derivation of the name is from the Anglo-Saxon SMITAN and the Germanic verb âSmioanâ meaning to smite or strike.
As you may have guessed, Smith is the most common surname in the United States. The United States Census reported that there were 2,376,206 occurrences of the surname Smith in the 2000 Census. People did not use surnames until the Middle Ages. Often, a personâs occupation was used as their last name.