Find the cube root $4,096$ by prime factorisation.

Find the cube root $5832$ by prime factorisation.

Find the cube root $15625$ by prime factorisation.

Find the cube root $27000$ by prime factorisation.

Find the cube root $39304$ by prime factorisation.

Find the cube root $74088$ by prime factorisation.

Find the cube root $117649$ by prime factorisation.

Find the cube root $18,15,848$ by prime factorisation.

The volume of a cubical tank is $21,97,000 {\mathrm{m}}^3$. Find the length of its side. 

If the required answer is $k \mathrm{m}$, then find the value of $k$.