Decimal value of 10100 binary number

Result

10100 = 20

Explained

• 1 * 2⁴ = 16
• 0 * 2³ = 0
• 1 * 2² = 4
• 0 * 2¹ = 0
• 0 * 2⁰ = 0

In result: 16 + 4 = 20