Evaluate
12\sqrt{15888382970340714054699657}\approx 4.783228144 \cdot 10^{13}
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3\times 4\sqrt{15888382970340714054699657}
Factor 254214127525451424875194512=4^{2}\times 15888382970340714054699657. Rewrite the square root of the product \sqrt{4^{2}\times 15888382970340714054699657} as the product of square roots \sqrt{4^{2}}\sqrt{15888382970340714054699657}. Take the square root of 4^{2}.
12\sqrt{15888382970340714054699657}
Multiply 3 and 4 to get 12.
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