Evaluate
2\sqrt{4609}\approx 135.77923258
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2\sqrt{4609}
Factor 18436=2^{2}\times 4609. Rewrite the square root of the product \sqrt{2^{2}\times 4609} as the product of square roots \sqrt{2^{2}}\sqrt{4609}. Take the square root of 2^{2}.
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