66816808128

Names of 66816808128

• Cardinal: 66816808128 can be written as Sixty-six billion, eight hundred sixteen million, eight hundred eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 6.6816808128 × 10¹⁰

Factors of 66816808128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1991

Divisors of 66816808128

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 56 57 63 64 72 76 84 96 112 114 126 133 144 152 168 171 192 224 228 252 266 288 304 336 342 399 448 456 504 532 576 608 672 683 684 798 912 1008 1064 1197 1216 1277 1344 1366 1368 1596 1824 2016 2049 2128 2394 2554 2732 2736 3192 3648 3831 4032 4098 4256 4781 4788 5108 5464 5472 6147 6384 7662 8196 8512 8939 9562 9576 10216 10928 10944 11493 12294 12768 12977 14343 15324 16392 17878 19124 19152 20432 21856 22986 24263 24588 25536 25954 26817 28686 30648 32784 35756 38248 38304 38931 40864 43029 43712 45972 48526 49176 51908 53634 57372 61296 65568 71512 72789 76496 76608 77862 80451 81728 86058 90839 91944 97052 98352 103816 107268 114744 116793 122592 131136 143024 145578 152992 155724 160902 169841 172116 181678 183888 194104 196704 207632 214536 218367 229488 233586 245184 272517 286048 291156 305984 311448 321804 339682 344232 363356 367776 388208 393408 415264 429072 436734 458976 467172 509523 545034 572096 582312 622896 643608 679364 688464 726712 735552 776416 817551 830528 858144 872191 873468 917952 934344 1019046 1090068 1164624 1245792 1287216 1358728 1376928 1453424 1528569 1552832 1635102 1716288 1744382 1746936 1868688 2038092 2180136 2329248 2491584 2574432 2616573 2717456 2753856 2906848 3057138 3270204 3488764 3493872 3737376 4076184 4360272 4658496 5148864 5233146 5434912 5813696 6105337 6114276 6540408 6977528 6987744 7474752 7849719 8152368 8720544 10466292 10869824 12210674 12228552 13080816 13955056 13975488 15699438 16304736 16571629 17441088 18316011 20932584 24421348 24457104 26161632 27910112 31398876 32609472 33143258 36632022 41865168 48842696 48914208 49714887 52323264 54948033 55820224 62797752 66286516 73264044 83730336 97685392 97828416 99429774 109896066 116001403 125595504 132573032 146528088 149144661 167460672 195370784 198859548 219792132 232002806 251191008 265146064 293056176 298289322 348004209 390741568 397719096 439584264 464005612 502382016 530292128 586112352 596578644 696008418 795438192 879168528 928011224 1044012627 1060584256 1172224704 1193157288 1392016836 1590876384 1758337056 1856022448 2088025254 2386314576 2784033672 3181752768 3516674112 3712044896 4176050508 4772629152 5568067344 7424089792 8352101016 9545258304 11136134688 16704202032 22272269376 33408404064 66816808128
• Sum of all divisors σ(n): 230915992320
• Sum of proper divisors (its aliquot sum) s(n): 164099184192
• 66816808128 is an abundant number, because the sum of its proper divisors (164099184192) is greater than itself. Its abundance is 97282376064

Bases of 66816808128

• Binary: 111110001110100101111001010011000000₂
• Hexadecimal: 0xF8E9794C0
• Base-36: UP10340

Squares and roots of 66816808128

• 66816808128 squared (66816808128²) is 4464485848413966864384
• 66816808128 cubed (66816808128³) is 298302694323647317092895524913152
• The square root of 66816808128 is 258489.4739210863
• The cube root of 66816808128 is 4057.8430170929

Scales and comparisons

• 66,816,808,128 seconds is equal to 2,124 years, 29 weeks, 3 days, 16 hours, 28 minutes, 48 seconds.
• To count from 1 to 66,816,808,128 would take you about four thousand, two hundred forty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 66816808128 cubic inches would be around 338.2 feet tall.

Recreational maths with 66816808128

• 66816808128 backwards is 82180861866
• The number of decimal digits it has is: 11
• The sum of 66816808128's digits is 54
• More coming soon!