
Here we will show you how to convert the octal number 74045 to a binary number. First note that the octal number system has eight different digits (0 1 2 3 4 5 6 7) and the binary number system has only two different digits (0 and 1).
The four steps used to convert 74045 from octal to binary are explained below.
Step 1)
Multiply the last digit in 74045 by 8⁰, multiply the second to last digit in 74045 by 8¹, multiply the third to last digit in 74045 by 8², multiply the fourth to last digit in 74045 by 8³, and so on, until all the digits are used:
5 × 8⁰ = 5
4 × 8¹ = 32
0 × 8² = 0
4 × 8³ = 2048
7 × 8⁴ = 28672
Step 2)
Next, we add up all the products we got from Step 1, like this:
5 + 32 + 0 + 2048 + 28672 = 30757
Step 3)
Now we divide the sum from Step 2 by 2. Put the remainder aside. Then divide the whole part by 2 again, and put the remainder aside again. Keep doing this until the whole part is 0.
30757 ÷ 2 = 15378 with 1 remainder
15378 ÷ 2 = 7689 with 0 remainder
7689 ÷ 2 = 3844 with 1 remainder
3844 ÷ 2 = 1922 with 0 remainder
1922 ÷ 2 = 961 with 0 remainder
961 ÷ 2 = 480 with 1 remainder
480 ÷ 2 = 240 with 0 remainder
240 ÷ 2 = 120 with 0 remainder
120 ÷ 2 = 60 with 0 remainder
60 ÷ 2 = 30 with 0 remainder
30 ÷ 2 = 15 with 0 remainder
15 ÷ 2 = 7 with 1 remainder
7 ÷ 2 = 3 with 1 remainder
3 ÷ 2 = 1 with 1 remainder
1 ÷ 2 = 0 with 1 remainder
Step 4)
In the final step, we take the remainders from Step 3 and put them together in reverse order to get our answer to 74045 octal to binary:
74045 octal = 111100000100101 binary
Octal to Binary Converter
Here you can convert another octal number to binary. Remember, octal numbers only include digits 0 through 7.
74046 octal to binary
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