Evaluate
20000000\pi \approx 62831853.071795866
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\frac{4\pi }{3}\times 1000000\times 15
Calculate 100 to the power of 3 and get 1000000.
\frac{4\pi }{3}\times 15000000
Multiply 1000000 and 15 to get 15000000.
5000000\times 4\pi
Cancel out 3, the greatest common factor in 15000000 and 3.
20000000\pi
Multiply 5000000 and 4 to get 20000000.
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