2.9888339708977e+29 nanometers equals 1,997,912,107.25 astronomical units.
Convert 2.9888339708977e+29 nanometers into meters, kilometers, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, parsecs, etc...
Convert 1997912108 astronomical units into meters, kilometers, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, parsecs, etc...