Evaluate
2\sqrt{99286}\approx 630.19362104
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2\sqrt{99286}
Factor 397144=2^{2}\times 99286. Rewrite the square root of the product \sqrt{2^{2}\times 99286} as the product of square roots \sqrt{2^{2}}\sqrt{99286}. Take the square root of 2^{2}.
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