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Nassau Community College
Engineering/Physics/Technology Department
Electronic Engineering Technology
Powers Of 2 Sheet
N 2^N common name 2^-N 100/2^N (%) 16^N N
1 2
0.5 50.0% 16 1
2 4
0.25 25.0% 256 2
3 8
0.125 12.5% 4,096 3
4 16
0.0625 6.2500% 65,536 4
5 32
0.03125 3.1250% 1,048,576 5
6 64
0.015625 1.5625% 16,777,216 6
7 128
0.0078125 0.781250% 268,435,456 7
8 256
0.00390625 0.390625% 4,294,967,296 8
9 512 0.5K 0.001953125 0.195313% 68,719,476,736 9
10 1,024 1K 0.0009765625 0.097656% 1,099,511,627,776 10
11 2,048 2K 0.00048828125 0.048828% 17,592,186,044,416 11
12 4,096 4K 0.000244140625 0.024414% 281,474,976,710,656 12
13 8,192 8K 0.0001220703125 0.012207%  
 13
14 16,384 16K 6.103515625E-05 0.006104%  
 14
15 32,768 32K 3.0517578125E-05 0.003052%  
 15
16 65,536 64K 1.52587890625E-05 0.001526%  
 16
17 131,072 128K 7.62939453125E-06 0.000763%  
 17
18 262,144 256K 3.814697265625E-06 0.000381%  
 18
19 524,288 512K 1.9073486328125E-06 0.000191%  
 19
20 1,048,576 1M 9.5367431640625E-07 0.000095%  
 20
21 2,097,152 2M 4.76837158203125E-07 0.000048%  
 21
22 4,194,304 4M 2.38418579101563E-07 0.000024%  
 22
23 8,388,608 8M 1.19209289550781E-07 0.000012%  
 23
24 16,777,216 16M 5.96046447753906E-08 0.000006%  
 24
25 33,554,432 32M  
  
  
 25
26 67,108,864 64M  
  
  
 26
27 134,217,728 128M  
  
  
 27
28 268,435,456 256M  
  
  
 28
29 536,870,912 512M=0.5G  
  
  
 29
30 1,073,741,824 1G  
  
  
 30
31 2,147,483,648 2G  
  
  
 31
32 4,294,967,296 4G  
  
  
 32
33 8,589,934,592 8G  
  
  
 33
34 17,179,869,184 16G  
  
  
 34
35 34,359,738,368 32G  
  
  
 35
36 68,719,476,736 64G  
  
  
 36
37 137,438,953,472 128G  
  
  
 37
38 274,877,906,944 256G  
  
  
 38
39 549,755,813,888 512G=0.5T  
  
  
39
40 1,099,511,627,776 1T
Note:8bits=1byte
  
  
40
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