$${ \left( { 1 }^{ 2 } { 3 }^{ 2 } { 7 }^{ 2 } \right) }^{ 2 } .11111111$$
$21608.99978391$
$$\left(1\times 3^{2}\times 7^{2}\right)^{2}\times 0.11111111$$
$$\left(1\times 9\times 7^{2}\right)^{2}\times 0.11111111$$
$$\left(9\times 7^{2}\right)^{2}\times 0.11111111$$
$$\left(9\times 49\right)^{2}\times 0.11111111$$
$$441^{2}\times 0.11111111$$
$$194481\times 0.11111111$$
$$21608.99978391$$
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$\frac{11 \cdot 73 \cdot 101 \cdot 137 \cdot 3 ^ {4} \cdot 7 ^ {4}}{2 ^ {8} \cdot 5 ^ {8}} = 21608\frac{99978391}{100000000} = 21608.99978391$
