1.7786173288452e+20 centimeters equals 188 lightyears.
Convert 1.7786173288452e+20 centimeters into meters, kilometers, decimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, parsecs, etc...
Convert 189 lightyears into meters, kilometers, decimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, parsecs, etc...