Evaluate
2\sqrt{6452797930}\approx 160658.618567446
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2\sqrt{6452797930}
Factor 25811191720=2^{2}\times 6452797930. Rewrite the square root of the product \sqrt{2^{2}\times 6452797930} as the product of square roots \sqrt{2^{2}}\sqrt{6452797930}. Take the square root of 2^{2}.
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