21029799942144

Names of 21029799942144

• Cardinal: 21029799942144 can be written as Twenty-one trillion, twenty-nine billion, seven hundred ninety-nine million, nine hundred forty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1029799942144 × 10¹³

Factors of 21029799942144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 746

Divisors of 21029799942144

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 211 224 252 256 288 294 336 384 392 422 441 448 504 512 523 576 588 633 672 768 784 844 882 896 1008 1024 1046 1152 1176 1266 1344 1477 1536 1568 1569 1688 1764 1792 1899 2016 2048 2092 2304 2352 2532 2688 2954 3072 3136 3138 3376 3528 3584 3661 3798 4032 4184 4431 4608 4704 4707 5064 5376 5908 6144 6272 6276 6752 7056 7168 7322 7596 8064 8368 8862 9216 9408 9414 10128 10339 10752 10983 11816 12544 12552 13293 13504 14112 14336 14644 15192 16128 16736 17724 18432 18816 18828 20256 20678 21504 21966 23632 25088 25104 25627 26586 27008 28224 29288 30384 31017 32256 32949 33472 35448 37632 37656 40512 41356 43008 43932 44521 47264 50176 50208 51254 53172 54016 56448 58576 60768 62034 64512 65898 66944 70896 75264 75312 76881 81024 82712 87864 89042 93051 94528 100352 100416 102508 106344 108032 110353 112896 117152 121536 124068 129024 131796 133563 133888 141792 150528 150624 153762 162048 165424 175728 178084 186102 189056 200832 205016 212688 216064 220706 225792 230643 234304 243072 248136 263592 267126 267776 283584 301056 301248 307524 311647 324096 330848 331059 351456 356168 372204 378112 400689 401664 410032 425376 432128 441412 451584 461286 468608 486144 496272 527184 534252 535552 567168 602496 615048 623294 648192 661696 662118 702912 712336 744408 756224 772471 801378 803328 820064 850752 882824 903168 922572 934941 937216 972288 992544 993177 1054368 1068504 1071104 1134336 1204992 1230096 1246588 1296384 1323392 1324236 1405824 1424672 1488816 1512448 1544942 1602756 1606656 1640128 1701504 1765648 1845144 1869882 1874432 1944576 1985088 1986354 2108736 2137008 2181529 2268672 2317413 2409984 2460192 2493176 2646784 2648472 2804823 2811648 2849344 2977632 3024896 3089884 3205512 3213312 3280256 3403008 3531296 3690288 3739764 3748864 3889152 3970176 3972708 4217472 4274016 4363058 4537344 4634826 4819968 4920384 4986352 5293568 5296944 5407297 5609646 5623296 5698688 5955264 6179768 6411024 6544587 6560512 6806016 6952239 7062592 7380576 7479528 7497728 7940352 7945416 8434944 8548032 8726116 9074688 9269652 9639936 9840768 9972704 10587136 10593888 10814594 11219292 11246592 11397376 11910528 12359536 12822048 13089174 13121024 13612032 13904478 14125184 14761152 14959056 15880704 15890832 16221891 16869888 17096064 17452232 18539304 19633761 19681536 19945408 21174272 21187776 21629188 22438584 22493184 22794752 23284483 23821056 24719072 25644096 26178348 26242048 27224064 27808956 28250368 29522304 29918112 31761408 31781664 32443782 33739776 34192128 34904464 37078608 39267522 39363072 39890816 42375552 43258376 44877168 45589504 46568966 47642112 48665673 49438144 51288192 52356696 52484096 55617912 56500736 59044608 59836224 63522816 63563328 64887564 67479552 68384256 69808928 69853449 74157216 78535044 78726144 79781632 84751104 86516752 89754336 91179008 93137932 95284224 97331346 98876288 102576384 104713392 111235824 113001472 118089216 119672448 127126656 129775128 136768512 139617856 139706898 148314432 157070088 157452288 159563264 162991381 169502208 173033504 179508672 186275864 190568448 194662692 197752576 205152768 209426784 209560347 222471648 226002944 236178432 239344896 254253312 259550256 273537024 279235712 279413796 296628864 314140176 319126528 325982762 339004416 346067008 359017344 372551728 389325384 395505152 410305536 418853568 419120694 444943296 472356864 478689792 488974143 508506624 519100512 558471424 558827592 593257728 628280352 638253056 651965524 678008832 692134016 718034688 745103456 778650768 791010304 820611072 837707136 838241388 889886592 957379584 977948286 1017013248 1038201024 1116942848 1117655184 1140939667 1186515456 1256560704 1303931048 1384268032 1436069376 1466922429 1490206912 1557301536 1582020608 1675414272 1676482776 1779773184 1914759168 1955896572 2034026496 2076402048 2233885696 2235310368 2281879334 2373030912 2513121408 2607862096 2768536064 2872138752 2933844858 2980413824 3114603072 3350828544 3352965552 3422819001 3559546368 3911793144 4152804096 4467771392 4470620736 4563758668 4746061824 5026242816 5215724192 5537072128 5744277504 5867689716 5960827648 6229206144 6701657088 6705931104 6845638002 7119092736 7823586288 8305608192 8941241472 9127517336 10052485632 10268457003 10431448384 11074144256 11735379432 11921655296 12458412288 13403314176 13411862208 13691276004 14238185472 15647172576 16611216384 17882482944 18255034672 20104971264 20536914006 20862896768 23470758864 23843310592 24916824576 26823724416 27382552008 31294345152 33222432768 35764965888 36510069344 40209942528 41073828012 41725793536 46941517728 47686621184 49833649152 53647448832 54765104016 62588690304 71529931776 73020138688 82147656024 83451587072 93883035456 99667298304 107294897664 109530208032 125177380608 143059863552 146040277376 164295312048 166903174144 187766070912 214589795328 219060416064 250354761216 292080554752 328590624096 333806348288 375532141824 429179590656 438120832128 500709522432 584161109504 657181248192 751064283648 876241664256 1001419044864 1168322219008 1314362496384 1502128567296 1752483328512 2336644438016 2628724992768 3004257134592 3504966657024 5257449985536 7009933314048 10514899971072 21029799942144
• Sum of all divisors σ(n): 71126497964340
• Sum of proper divisors (its aliquot sum) s(n): 50096698022196
• 21029799942144 is an abundant number, because the sum of its proper divisors (50096698022196) is greater than itself. Its abundance is 29066898080052

Bases of 21029799942144

• Binary: 100110010000001100001110000010101100000000000₂
• Hexadecimal: 0x132061C15800
• Base-36: 7GCYFWU80

Squares and roots of 21029799942144

• 21029799942144 squared (21029799942144²) is 442252485606599785747316736
• 21029799942144 cubed (21029799942144³) is 9300481296222712367053484290536042921984
• The square root of 21029799942144 is 4585825.9825405499
• The cube root of 21029799942144 is 27602.2857197115

Scales and comparisons

• 21,029,799,942,144 seconds is equal to 668,682 years, 30 weeks, 4 days, 7 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,029,799,942,144 would take you about one million, six hundred seventy-one thousand, seven hundred six 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 21029799942144 cubic inches would be around 2300.2 feet tall.

Recreational maths with 21029799942144

• 21029799942144 backwards is 44124999792012
• 21029799942144 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21029799942144's digits is 63
• More coming soon!