10101001 binary to decimal
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What is binary 10101001 in decimal?
Binary number 10101001 to Decimal Conversion Explanation
Binary to Decimal Conversion Formula:
(Decimal Number)10 = (d0 × 20) + (d1 × 21) + (d2 × 22) + ... + (dn−1 × 2n-1)
According to Binary to Decimal Conversion Formula if you want to convert Binary 10101001 to its Decimal form you have to multiply each digit of the binary number by the corresponding power of two which depends on the digit position in the number.
There are 8 digits in 10101001 so there are 8 positions. So you need to write down the powers of two from right to left according to its position starting from index 0 and ending with 7 and multiply it by the corresponding binary digit.
| Digit | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 |
|---|---|---|---|---|---|---|---|---|
| Pow of 2 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 |
Binary 10101001 to Decimal Calculation Steps:
(1 × 27) + (0 × 26) + (1 × 25) + (0 × 24) + (1 × 23) + (0 × 22) + (0 × 21) + (1 × 20)
=
128 + 0 + 32 + 0 + 8 + 0 + 0 + 1
=
169
(10101001)2 = (169)10
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See Also
- Number to Binary - Decimal numbers to Binary conversion
- Hex to Decimal - Hexadecimal numbers to Decimal conversion
- Decimal to hex converter - Decimal numbers to Hexadecimal conversion
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What is binary 10101001 in decimal?
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