12888747239945804640

Names of 12888747239945804640

• Cardinal: 12888747239945804640 can be written as Twelve quintillion, eight hundred eighty-eight quadrillion, seven hundred forty-seven trillion, two hundred thirty-nine billion, nine hundred forty-five million, eight hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.288874723994580464 × 10¹⁹

Factors of 12888747239945804640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 243042308931

Divisors of 12888747239945804640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 210 224 240 252 280 288 315 336 360 420 480 504 560 630 672 720 840 1008 1120 1260 1440 1680 2016 2520 3360 5040 5261 10080 10522 15783 21044 26305 31566 36827 42088 47349 52610 63132 73654 78915 84176 94698 105220 110481 126264 147308 157830 168352 184135 189396 210440 220962 236745 252528 294616 315660 331443 368270 378792 420880 441924 473490 505056 552405 589232 631320 662886 736540 757584 841760 883848 946980 1104810 1178464 1262640 1325772 1473080 1515168 1657215 1767696 1893960 2209620 2525280 2651544 2946160 3314430 3535392 3787920 4419240 5303088 5892320 6628860 7575840 8838480 10606176 13257720 17676960 26515440 53030880 243042303653 486084607306 729126910959 972169214612 1215211518265 1458253821918 1701296125571 1944338429224 2187380732877 2430423036530 2916507643836 3402592251142 3645634554795 3888676858448 4374761465754 4860846073060 5103888376713 5833015287672 6805184502284 7291269109590 7777353716896 8506480627855 8749522931508 9721692146120 10207776753426 10936903664385 11666030575344 13610369004568 14582538219180 15311665130139 17012961255710 17499045863016 19443384292240 20415553506852 21873807328770 23332061150688 25519441883565 27220738009136 29165076438360 30623330260278 34025922511420 34998091726032 38886768584480 40831107013704 43747614657540 51038883767130 54441476018272 58330152876720 61246660520556 68051845022840 69996183452064 76558325650695 81662214027408 87495229315080 102077767534260 116660305753440 122493321041112 136103690045680 153116651301390 163324428054816 174990458630160 204155535068520 244986642082224 272207380091360 306233302602780 349980917260320 408311070137040 489973284164448 612466605205560 816622140274080 1224933210411120 1278645559518433 2449866420822240 2557291119036866 3835936678555299 5114582238073732 6393227797592165 7671873357110598 8950518916629031 10229164476147464 11507810035665897 12786455595184330 15343746714221196 17901037833258062 19179683392776495 20458328952294928 23015620071331794 25572911190368660 26851556749887093 30687493428442392 35802075666516124 38359366785552990 40916657904589856 44752594583145155 46031240142663588 51145822380737320 53703113499774186 57539050178329485 61374986856884784 71604151333032248 76718733571105980 80554670249661279 89505189166290310 92062480285327176 102291644761474640 107406226999548372 115078100356658970 122749973713769568 134257783749435465 143208302666064496 153437467142211960 161109340499322558 179010378332580620 184124960570654352 204583289522949280 214812453999096744 230156200713317940 268515567498870930 286416605332128992 306874934284423920 322218680998645116 358020756665161240 368249921141308704 402773351248306395 429624907998193488 460312401426635880 537031134997741860 613749868568847840 644437361997290232 716041513330322480 805546702496612790 859249815996386976 920624802853271760 1074062269995483720 1288874723994580464 1432083026660644960 1611093404993225580 1841249605706543520 2148124539990967440 2577749447989160928 3222186809986451160 4296249079981934880 6444373619972902320 12888747239945804640
• Sum of all divisors σ(n): 50275668715036704576
• Sum of proper divisors (its aliquot sum) s(n): 37386921475090899936
• 12888747239945804640 is an abundant number, because the sum of its proper divisors (37386921475090899936) is greater than itself. Its abundance is 24498174235145095296

Bases of 12888747239945804640

• Binary: 1011001011011110000001110101001111000100110001000001101101100000₂
• Hexadecimal: 0xB2DE0753C4C41B60
• Base-36: 2PX7RL1KFJ140

Squares and roots of 12888747239945804640

• 12888747239945804640 squared (12888747239945804640²) is 166119805415210597006761324337045529600
• 12888747239945804640 cubed (12888747239945804640³) is 2141076183545629713532039992607244046979815360186937344000
• The square root of 12888747239945804640 is 3590090143.7075092809
• The cube root of 12888747239945804640 is 2344607.9628525011

Scales and comparisons

• 12,888,747,239,945,804,640 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 12,888,747,239,945,804,640 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 12888747239945804640 cubic inches would be around 195384 feet tall.

Recreational maths with 12888747239945804640

• 12888747239945804640 backwards is 04640854993274788821
• The number of decimal digits it has is: 20
• The sum of 12888747239945804640's digits is 99
• More coming soon!