Square Root of 20000 Simplified

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What is the square root of 20,000 simplified?

Answer

√20,000 = 100√2

20,000 = 10,000 × 2, and 10,000 = 100² is the largest perfect square that divides 20,000, so √20,000 = √10,000 × √2 = 100√2. Check: 100√2 ≈ 141.421, the same as √20,000 ≈ 141.421.

Simplifying √20,000 Step by Step

1. Prime factorization. — All Prime Factors of 20,000:

20,000 = 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 = 25 × 54

2. Pair up equal primes. Each pair is a perfect square and comes out of the root as one factor; a prime without a partner stays under the radical.

Prime factorTimes in 20,000Comes out of the rootStays under the root
25222
5452—

3. Take the pairs out of the root.

√20,000 = √((2 × 2) × (2 × 2) × (5 × 5) × (5 × 5) × 2)

= 2 × 2 × 5 × 5 × √2

= 100√2

4. Check by squaring back.

100² × 2 = 10,000 × 2 = 20,000

See Also

Simplify Square Root Calculator

This calculator writes a square root in simplest radical form: it finds the largest perfect square that divides the number, takes its root out of the radical and leaves the rest under it. For example, it can help you find out what is the square root of 20,000 simplified? (The answer is: 100√2). Enter a whole number (e.g. '20,000') and hit the 'Simplify' button.

Simplified Square Roots Table

NumberSimplest radical formDecimal value
7255√29≈ 26.926
72611√6≈ 26.944
7292727
7505√30≈ 27.386
7566√21≈ 27.495
7722√193≈ 27.785
7802√195≈ 27.928
80020√2≈ 28.284
8505√34≈ 29.155
8755√35≈ 29.58
8804√55≈ 29.665
9608√15≈ 30.984
97218√3≈ 31.177
1,00010√10≈ 31.623
1,20020√3≈ 34.641
1,25025√2≈ 35.355
1,2606√35≈ 35.496
1,28016√5≈ 35.777
1,2963636
1,57515√7≈ 39.686
1,87525√3≈ 43.301
2,00020√5≈ 44.721
2,01612√14≈ 44.9
3,7806√105≈ 61.482
5,00050√2≈ 70.711
7,20060√2≈ 84.853
8,00040√5≈ 89.443
12,50050√5≈ 111.803
20,000100√2≈ 141.421
84,500130√5≈ 290.689

FAQ

What is the square root of 20,000 simplified?

√20,000 = 100√2

Is 20,000 a perfect square?

No. 20,000 = 10,000 × 2: its largest perfect square factor is 10,000 = 100², and the factor 2 stays under the radical, so √20,000 = 100√2.

What is √20,000 as a decimal?

√20,000 ≈ 141.421. The decimal never ends and never repeats, so it is always rounded; the exact value is 100√2.

What is the largest perfect square that divides 20,000?

10,000 = 100². Dividing gives 20,000 ÷ 10,000 = 2, and 2 has no square factor left, so √20,000 = √10,000 × √2 = 100√2.