alfa problems

Algebra Level 3

If a1,a2,a3.......a2015>0,a1+a2+...+a2015=1a_{1},a_{2},a_{3}.......a_{2015} > 0, a_{1} + a_{2} + ... + a_{2015} = 1

and the minimum value of

1a1+1a2+1a3+...+1a2015=x\frac{1}{{a}_{1}} + \frac{1}{{a}_{2}} + \frac{1}{{a}_{3}} + ... + \frac{1}{{a}_{2015}} = x

what is the value of x\sqrt{x}

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