1.7054973874674e+20 yards equals 16,484 lightyears.
Convert 1.7054973874674e+20 yards into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, miles, hands, astronomical units, parsecs, etc...
Convert 16484 lightyears into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, miles, hands, astronomical units, parsecs, etc...