Evaluate
2\sqrt{1944447}\approx 2788.868587797
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2\sqrt{1944447}
Factor 7777788=2^{2}\times 1944447. Rewrite the square root of the product \sqrt{2^{2}\times 1944447} as the product of square roots \sqrt{2^{2}}\sqrt{1944447}. Take the square root of 2^{2}.
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