text: what is the square route of 28462183467549326019????? i need to to know for math (at skool!)? if you find ou, please tell me! i really need to know! my math teacher, at skool, is a freak! she expets us to know that..... in our head! and what's wrong with doing it in your head (or at least, on paper with no calculator).. see http://en.wikipedia.org/wiki/methods_of_computing_square_roots for some useful hints.  it's 5334996107.5 or so...