3420 astronomical units equals 511,624,717,794,000,026,176,847,872 picometers.
Convert 3420 astronomical units into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, inches, feet, yards, miles, hands, lightyears, parsecs, etc...
Convert 5.11624717794E+26 picometers into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, inches, feet, yards, miles, hands, lightyears, parsecs, etc...