me dont understand the subjekt
but with numbers like that yu need kalkulater that hold 9 or more digits ("sientifik kalk")
1st root=1
2th root=square root or x^1/2
3rd root=kube root or x^1/3
nth root =x^1/n, n=1, 2, 3, 4, 5...
????????? 584539/258295 ???????? du that be konnekted tu roots sumhow ???
584539/258295=2.26306742290792, wotever that mite be
?????????? n=21... du yu want 21th root av sumthun ??????