Or if you want to do it manually (though maybe not recommended as this can get rather tedious), multiply 6 by itself 50 times :)
6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6*6
(I think that's 50 times?)