Wednesday, March 18, 2009

2 to the power

Here is a table of 2 to the power :

Power Of 2 Decimal Values ---------- ------------------------------------------------
  1. 1
  2. 2 ← 1 bit to store 0 or 1
  3. 4
  4. 8 ← 3 bit octet
  5. 0x10 16 ← 4 bit, half-byte to store hexadecimal
  6. 32
  7. 64
  8. 128 ← 7 bit for ASCII encoding
  9. 0x100 256 ← 1 byte = 8 bit, 0 - 255 ----------------
  10. 512
  11. 1,024 ← 1K (Kilo)
  12. 2,048
  13. 4,096
  14. 8,192
  15. 16,384
  16. 32,768
  17. 0x10000 65,536 ← 2 byte, 64K, double-byte Unicode -------
  18. 131,072
  19. 262,144
  20. 524,288
  21. 1,048,576 ← 1M (Mega), more than 1 million
  22. 2,097,152
  23. 4,194,304
  24. 8,388,608 ← 8M, 23 bit mantissa for float in IEEE754
  25. 0x1000000 16,777,216 ← 3 byte, 24 bit, 16M color --------------
  26. 33,554,432
  27. 67,108,864 ← 64M
  28. 134,217,728 ← 128M
  29. 268,435,456 ← 256M
  30. 536,870,912 ← 512M
  31. 1,073,741,824 ← 1G (Giga)
  32. 2,147,483,648
  33. 0x100000000 4,294,967,296 ← 4 byte ---------------------------------
  34. 8,589,934,592 ← 8G
  35. 17,179,869,184
  36. 34,359,738,368
  37. 68,719,476,736
  38. 137,438,953,472
  39. 274,877,906,944
  40. 549,755,813,888
  41. 1,099,511,627,776 ← 5 byte, 1T (Tera) ----------------------
  42. 2,199,023,255,552
  43. 4,398,046,511,104
  44. 8,796,093,022,208
  45. 17,592,186,044,416
  46. 35,184,372,088,832
  47. 70,368,744,177,664
  48. 140,737,488,355,328
  49. 281,474,976,710,656 ← 6 byte ---------------------------------
  50. 562,949,953,421,312
  51. 1,125,899,906,842,624 ← 1P (Peta)
  52. 2,251,799,813,685,248
  53. 4,503,599,627,370,496 ← 52 bit mantissa for double in IEEE754
  54. 9,007,199,254,740,992
  55. 18,014,398,509,481,984 ← stepping into 17 digits
  56. 36,028,797,018,963,968
  57. 72,057,594,037,927,936 ← 7 byte ---------------------------------
  58. 144,115,188,075,855,872
  59. 288,230,376,151,711,744
  60. 576,460,752,303,423,488
  61. 1,152,921,504,606,846,976 ← 1E (Exa), stepping into 19 digits
  62. 2,305,843,009,213,693,952
  63. 4,611,686,018,427,387,904
  64. 9,223,372,036,854,775,808
  65. 18,446,744,073,709,551,616 ← 8 byte ---------------------------------
  66. 36,893,488,147,419,103,232
  67. 73,786,976,294,838,206,464
  68. 147,573,952,589,676,412,928 ← stepping into 21 digits
  69. 295,147,905,179,352,825,856
  70. 590,295,810,358,705,651,712
  71. 1,180,591,620,717,411,303,424 ← 1Z (Zetta)
  72. 2,361,183,241,434,822,606,848
  73. 4,722,366,482,869,645,213,696 ← 9 byte ---------------------------------
  74. 9,444,732,965,739,290,427,392
  75. 18,889,465,931,478,580,854,784
  76. 37,778,931,862,957,161,709,568
  77. 75,557,863,725,914,323,419,136
  78. 151,115,727,451,828,646,838,272
  79. 302,231,454,903,657,293,676,544
  80. 604,462,909,807,314,587,353,088
  81. 1,208,925,819,614,629,174,706,176 ← 10 byte , 1Y (Yotta) -------------------
  82. 2,417,851,639,229,258,349,412,352


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