21180013553664

Names of 21180013553664

• Cardinal: 21180013553664 can be written as Twenty-one trillion, one hundred eighty billion, thirteen million, five hundred fifty-three thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1180013553664 × 10¹³

Factors of 21180013553664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 39555

Divisors of 21180013553664

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 54 56 57 63 64 72 73 76 84 96 108 112 114 126 128 133 144 146 152 168 171 189 192 216 219 224 228 252 256 266 288 292 304 336 342 378 384 399 432 438 448 456 504 511 512 513 532 576 584 608 657 672 684 756 768 798 864 876 896 912 1008 1022 1024 1026 1064 1152 1168 1197 1216 1314 1344 1368 1387 1512 1533 1536 1596 1728 1752 1792 1824 1971 2016 2044 2048 2052 2128 2304 2336 2394 2432 2628 2688 2736 2774 3024 3066 3072 3192 3456 3504 3584 3591 3648 3942 4032 4088 4104 4161 4256 4599 4608 4672 4788 4864 5256 5376 5472 5548 6048 6132 6144 6384 6912 7008 7168 7182 7296 7884 8064 8176 8208 8322 8512 9198 9216 9344 9576 9709 9728 10512 10752 10944 11096 12096 12264 12483 12768 13797 13824 14016 14336 14364 14592 15768 16128 16352 16416 16644 17024 18396 18432 18688 19152 19418 19456 21024 21504 21888 22192 24192 24528 24966 25536 27594 27648 28032 28728 29127 29184 31536 32256 32704 32832 33288 34048 36792 37376 37449 38304 38836 38912 39451 42048 43008 43776 44384 48384 49056 49932 51072 55188 55296 56064 57456 58254 58368 63072 64512 65408 65664 66576 68096 73584 74752 74898 76608 77672 78902 84096 87381 87552 88768 96768 98112 99864 102144 110376 112128 114912 116508 116736 118353 126144 129024 130816 131328 133152 136192 147168 149504 149796 153216 155344 157804 168192 174762 175104 177536 193536 196224 199728 204288 220752 224256 229824 233016 236706 252288 261632 262143 262656 266304 272384 276157 294336 299592 306432 310688 315608 336384 349524 350208 355059 355072 387072 392448 399456 408576 441504 448512 459648 466032 473412 504576 523264 524286 525312 532608 552314 588672 599184 612864 621376 631216 672768 699048 710118 710144 749569 784896 798912 817152 828471 883008 919296 932064 946824 1009152 1046528 1048572 1050624 1065177 1065216 1104628 1177344 1198368 1225728 1242752 1262432 1345536 1398096 1420236 1420288 1499138 1569792 1597824 1656942 1766016 1838592 1864128 1893648 2018304 2097144 2130354 2130432 2209256 2248707 2354688 2396736 2451456 2485413 2485504 2524864 2796192 2840472 2840576 2879923 2998276 3139584 3195648 3313884 3532032 3677184 3728256 3787296 4036608 4194288 4260708 4260864 4418512 4497414 4709376 4793472 4970826 4971008 5049728 5246983 5592384 5680944 5759846 5996552 6391296 6627768 6746121 7064064 7354368 7456239 7456512 7574592 8388576 8521416 8521728 8639769 8837024 8994828 9418752 9586944 9941652 9942016 10099456 10493966 11184768 11361888 11519692 11993104 12782592 13255536 13492242 14128128 14912478 14913024 15149184 15740949 16777152 17042832 17279538 17674048 17989656 19173888 19883304 19884032 20159461 20198912 20238363 20987932 22369536 22723776 23039384 23986208 25565184 25919307 26511072 26984484 28256256 29824956 29826048 30298368 31481898 33554304 34085664 34559076 35348096 35979312 38347776 39766608 40318922 40397824 40476726 41975864 44739072 45447552 46078768 47222847 47972416 51838614 53022144 53968968 54718537 59649912 59652096 60478383 60596736 62963796 67108608 68171328 69118152 70696192 71958624 76695552 77757921 79533216 80637844 80795648 80953452 83951728 89478144 90895104 92157536 94445694 95944832 103677228 106044288 107937936 109437074 119299824 120956766 121193472 125927592 134217216 136342656 138236304 141392384 141668541 143917248 155515842 159066432 161275688 161906904 164155611 167903456 178956288 181435149 181790208 184315072 188891388 191889664 207354456 212088576 215875872 218874148 238599648 241913532 242386944 251855184 268434432 272685312 276472608 282784768 283337082 287834496 311031684 318132864 322551376 323813808 328311222 335806912 362870298 363580416 368630144 377782776 383029759 383779328 414708912 424177152 431751744 437748296 477199296 483827064 492466833 503710368 536868864 544305447 545370624 552945216 565569536 566674164 575668992 622063368 636265728 645102752 647627616 656622444 671613824 725740596 727160832 737260288 755565552 766059518 767558656 829417824 848354304 863503488 875496592 954398592 967654128 984933666 1007420736 1088610894 1090741248 1105890432 1133348328 1149089277 1151337984 1244126736 1272531456 1290205504 1295255232 1313244888 1343227648 1451481192 1474520576 1477400499 1511131104 1532119036 1535117312 1658835648 1696708608 1727006976 1750993184 1908797184 1935308256 1969867332 2014841472 2177221788 2181482496 2211780864 2266696656 2298178554 2302675968 2488253472 2545062912 2580411008 2590510464 2626489776 2686455296 2902962384 2949041152 2954800998 3022262208 3064238072 3317671296 3447267831 3454013952 3501986368 3817594368 3870616512 3939734664 4029682944 4354443576 4423561728 4533393312 4596357108 4605351936 4976506944 5090125824 5160822016 5181020928 5252979552 5372910592 5805924768 5898082304 5909601996 6044524416 6128476144 6635342592 6894535662 6908027904 7003972736 7635188736 7741233024 7879469328 8059365888 8708887152 8847123456 9066786624 9192714216 9953013888 10321644032 10341803493 10362041856 10505959104 10745821184 11611849536 11819203992 12089048832 12256952288 13270685184 13789071324 13816055808 14007945472 15270377472 15482466048 15758938656 16118731776 17417774304 17694246912 18133573248 18385428432 19906027776 20643288064 20683606986 20724083712 21011918208 23223699072 23638407984 24178097664 24513904576 26541370368 27578142648 28015890944 30964932096 31517877312 32237463552 34835548608 36267146496 36770856864 39812055552 41286576128 41367213972 41448167424 42023836416 46447398144 47276815968 48356195328 49027809152 53082740736 55156285296 56031781888 61929864192 63035754624 69671097216 72534292992 73541713728 79624111104 82734427944 84047672832 92894796288 94553631936 96712390656 98055618304 110312570592 112063563776 123859728384 126071509248 139342194432 145068585984 147083427456 159248222208 165468855888 168095345664 185789592576 189107263872 196111236608 220625141184 252143018496 278684388864 290137171968 294166854912 330937711776 336190691328 371579185152 378214527744 392222473216 441250282368 504286036992 557368777728 588333709824 661875423552 756429055488 784444946432 882500564736 1008572073984 1114737555456 1176667419648 1323750847104 1512858110976 1765001129472 2353334839296 2647501694208 3025716221952 3530002258944 5295003388416 7060004517888 10590006776832 21180013553664
• Sum of all divisors σ(n): 76512893184000
• Sum of proper divisors (its aliquot sum) s(n): 55332879630336
• 21180013553664 is an abundant number, because the sum of its proper divisors (55332879630336) is greater than itself. Its abundance is 34152866076672

Bases of 21180013553664

• Binary: 100110100001101011011001011110010100000000000₂
• Hexadecimal: 0x13435B2F2800
• Base-36: 7I9YP7UO0

Squares and roots of 21180013553664

• 21180013553664 squared (21180013553664²) is 448592974133390741807824896
• 21180013553664 cubed (21180013553664³) is 9501205272223660076159026471291211218944
• The square root of 21180013553664 is 4602174.8721299151
• The cube root of 21180013553664 is 27667.8499187319

Scales and comparisons

• 21,180,013,553,664 seconds is equal to 673,458 years, 47 weeks, 4 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,180,013,553,664 would take you about one million, six hundred eighty-three thousand, six hundred forty-seven 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 21180013553664 cubic inches would be around 2305.7 feet tall.

Recreational maths with 21180013553664

• 21180013553664 backwards is 46635531008112
• The number of decimal digits it has is: 14
• The sum of 21180013553664's digits is 45
• More coming soon!