557 Octal in Decimal
Let's convert the octal number 557 to decimal without using a calculator:
Step 1: Write Down Powers of 8
Write down the powers of 8 starting from the right, with the first digit corresponding to 80, the second to 81, the third to 82, and so on.
82 | 81 | 80 |
64 | 8 | 1 |
58 | 58 | 78 |
Step 2: Convert Each Octal Digit to Decimal
Convert each octal digit to its decimal equivalent:
58 = 510
58 = 510
78 = 710
Step 3: Multiply and Sum
Multiply each octal digit by its corresponding power of 8 and sum the results.
(5 × 64) + (5 × 8) + (7 × 1) = 320 + 40 + 7 = 367
So, the decimal representation of the octal number 557 is 367.
Octal To Decimal Converter
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