Decimal value of 101001 binary number

Result

101001 = 41

Explained

• 1 * 2⁵ = 32
• 0 * 2⁴ = 0
• 1 * 2³ = 8
• 0 * 2² = 0
• 0 * 2¹ = 0
• 1 * 2⁰ = 1

In result: 32 + 8 + 1 = 41