21451349880000

Names of 21451349880000

• Cardinal: 21451349880000 can be written as Twenty-one trillion, four hundred fifty-one billion, three hundred forty-nine million, eight hundred eighty thousand.

Scientific notation

• Scientific notation: 2.145134988 × 10¹³

Factors of 21451349880000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 25406

Divisors of 21451349880000

• Number of divisors d(n): 980
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 29 30 32 36 40 45 48 50 54 58 60 64 72 75 80 81 87 90 96 100 108 116 120 125 135 144 145 150 160 162 174 180 192 200 216 225 232 240 243 250 261 270 288 290 300 320 324 348 360 375 400 405 432 435 450 464 480 486 500 522 540 576 580 600 625 648 675 696 720 725 729 750 783 800 810 864 870 900 928 960 972 1000 1044 1080 1125 1160 1200 1215 1250 1296 1305 1350 1392 1440 1450 1458 1500 1566 1600 1620 1728 1740 1800 1856 1875 1944 2000 2025 2088 2160 2175 2250 2320 2349 2400 2430 2500 2592 2610 2700 2784 2880 2900 2916 3000 3132 3240 3375 3480 3600 3625 3645 3750 3888 3915 4000 4050 4176 4320 4350 4500 4640 4698 4800 4860 5000 5184 5220 5400 5568 5625 5800 5832 6000 6075 6264 6480 6525 6750 6960 7047 7200 7250 7290 7500 7776 7830 8000 8100 8352 8640 8700 9000 9280 9396 9720 10000 10125 10440 10800 10875 11250 11600 11664 11745 12000 12150 12528 12960 13050 13500 13920 14094 14400 14500 14580 15000 15552 15660 16200 16704 16875 17400 18000 18125 18225 18792 19440 19575 20000 20250 20880 21141 21600 21750 22500 23200 23328 23490 24000 24300 25056 25367 25920 26100 27000 27840 28188 29000 29160 30000 30375 31320 32400 32625 33750 34800 35235 36000 36250 36450 37584 38880 39150 40000 40500 41760 42282 43200 43500 45000 46400 46656 46980 48600 50112 50625 50734 52200 54000 54375 56376 58000 58320 58725 60000 60750 62640 64800 65250 67500 69600 70470 72000 72500 72900 75168 76101 77760 78300 81000 83520 84564 87000 90000 91125 93960 97200 97875 101250 101468 104400 105705 108000 108750 112752 116000 116640 117450 120000 121500 125280 126835 129600 130500 135000 139200 140940 145000 145800 150336 151875 152202 156600 162000 163125 169128 174000 176175 180000 182250 187920 194400 195750 202500 202936 208800 211410 216000 217500 225504 228303 232000 233280 234900 243000 250560 253670 261000 270000 281880 290000 291600 293625 303750 304404 313200 324000 326250 338256 348000 352350 360000 364500 375840 380505 388800 391500 405000 405872 417600 422820 435000 451008 455625 456606 469800 486000 489375 507340 522000 528525 540000 563760 580000 583200 587250 607500 608808 626400 634175 648000 652500 676512 684909 696000 704700 729000 735643 751680 761010 783000 810000 811744 845640 870000 880875 911250 913212 939600 972000 978750 1014680 1044000 1057050 1080000 1127520 1141515 1160000 1166400 1174500 1215000 1217616 1252800 1268350 1305000 1353024 1369818 1409400 1458000 1468125 1471286 1522020 1566000 1620000 1623488 1691280 1740000 1761750 1822500 1826424 1879200 1902525 1944000 1957500 2029360 2054727 2088000 2114100 2206929 2255040 2283030 2349000 2430000 2435232 2536700 2610000 2642625 2739636 2818800 2916000 2936250 2942572 3044040 3132000 3170875 3240000 3382560 3424545 3480000 3523500 3645000 3652848 3678215 3758400 3805050 3915000 4058720 4109454 4228200 4404375 4413858 4566060 4698000 4860000 4870464 5073400 5220000 5285250 5479272 5637600 5707575 5832000 5872500 5885144 6088080 6164181 6264000 6341750 6620787 6765120 6849090 7047000 7290000 7305696 7356430 7610100 7830000 8117440 8218908 8456400 8808750 8827716 9132120 9396000 9512625 9720000 10146800 10273635 10440000 10570500 10958544 11034645 11275200 11415150 11745000 11770288 12176160 12328362 12683500 13213125 13241574 13698180 14094000 14580000 14611392 14712860 15220200 15660000 15854375 16437816 16912800 17122725 17617500 17655432 18264240 18391075 18492543 18792000 19025250 19862361 20293600 20547270 21141000 21917088 22069290 22830300 23490000 23540576 24352320 24656724 25367000 26426250 26483148 27396360 28188000 28537875 29160000 29425720 30440400 30820905 31320000 31708750 32875632 33103935 33825600 34245450 35235000 35310864 36528480 36782150 36985086 38050500 39724722 40587200 41094540 42282000 43834176 44138580 45660600 46980000 47081152 47563125 49313448 50734000 51368175 52852500 52966296 54792720 55173225 56376000 57075750 58851440 59587083 60880800 61641810 63417500 65751264 66207870 68490900 70470000 70621728 73056960 73564300 73970172 76101000 79449444 82189080 84564000 85613625 88277160 91321200 91955375 92462715 93960000 95126250 98626896 99311805 101468000 102736350 105705000 105932592 109585440 110346450 114151500 117702880 119174166 121761600 123283620 126835000 131502528 132415740 136981800 140940000 141243456 142689375 147128600 147940344 152202000 154104525 158898888 164378160 165519675 169128000 171227250 176554320 178761249 182642400 183910750 184925430 190252500 197253792 198623610 202936000 205472700 211410000 211865184 219170880 220692900 228303000 235405760 238348332 246567240 253670000 256840875 264831480 273963600 275866125 281880000 285378750 294257200 295880688 297935415 304404000 308209050 317797776 328756320 331039350 342454500 353108640 357522498 365284800 367821500 369850860 380505000 394507584 397247220 410945400 422820000 423730368 428068125 441385800 456606000 459776875 462313575 476696664 493134480 496559025 507340000 513681750 529662960 536283747 547927200 551732250 570757500 588514400 591761376 595870830 608808000 616418100 635595552 657512640 662078700 684909000 706217280 715044996 735643000 739701720 761010000 770522625 794494440 821890800 827598375 845640000 856136250 882771600 893806245 913212000 919553750 924627150 953393328 986268960 993118050 1014680000 1027363500 1059325920 1072567494 1095854400 1103464500 1141515000 1177028800 1183522752 1191741660 1232836200 1271191104 1284204375 1324157400 1369818000 1379330625 1430089992 1471286000 1479403440 1489677075 1522020000 1541045250 1588988880 1643781600 1655196750 1712272500 1765543200 1787612490 1826424000 1839107500 1849254300 1906786656 1972537920 1986236100 2054727000 2118651840 2145134988 2206929000 2283030000 2311567875 2383483320 2465672400 2482795125 2568408750 2648314800 2681418735 2739636000 2758661250 2860179984 2942572000 2958806880 2979354150 3044040000 3082090500 3177977760 3287563200 3310393500 3424545000 3531086400 3575224980 3678215000 3698508600 3813573312 3852613125 3972472200 4109454000 4137991875 4290269976 4413858000 4469031225 4566060000 4623135750 4766966640 4931344800 4965590250 5136817500 5296629600 5362837470 5479272000 5517322500 5720359968 5885144000 5917613760 5958708300 6164181000 6355955520 6620787000 6849090000 7150449960 7356430000 7397017200 7448385375 7705226250 7944944400 8218908000 8275983750 8580539952 8827716000 8938062450 9132120000 9246271500 9533933280 9862689600 9931180500 10273635000 10593259200 10725674940 11034645000 11440719936 11557839375 11917416600 12328362000 12413975625 13241574000 13407093675 13698180000 14300899920 14712860000 14794034400 14896770750 15410452500 15889888800 16437816000 16551967500 17161079904 17655432000 17876124900 18492543000 19067866560 19862361000 20547270000 21451349880 22069290000 22345156125 23115678750 23834833200 24656724000 24827951250 26483148000 26814187350 27396360000 28601799840 29425720000 29588068800 29793541500 30820905000 31779777600 33103935000 34322159808 35752249800 36985086000 37241926875 39724722000 41094540000 42902699760 44138580000 44690312250 46231357500 47669666400 49313448000 49655902500 52966296000 53628374700 57203599680 59587083000 61641810000 66207870000 67035468375 71504499600 73970172000 74483853750 79449444000 82189080000 85805399520 88277160000 89380624500 92462715000 95339332800 99311805000 107256749400 111725780625 119174166000 123283620000 132415740000 134070936750 143008999200 147940344000 148967707500 158898888000 171610799040 178761249000 184925430000 198623610000 214513498800 223451561250 238348332000 246567240000 264831480000 268141873500 286017998400 297935415000 335177341875 357522498000 369850860000 397247220000 429026997600 446903122500 476696664000 536283747000 595870830000 670354683750 715044996000 739701720000 794494440000 858053995200 893806245000 1072567494000 1191741660000 1340709367500 1430089992000 1787612490000 2145134988000 2383483320000 2681418735000 3575224980000 4290269976000 5362837470000 7150449960000 10725674940000 21451349880000
• Sum of all divisors σ(n): 82505405006640
• Sum of proper divisors (its aliquot sum) s(n): 61054055126640
• 21451349880000 is an abundant number, because the sum of its proper divisors (61054055126640) is greater than itself. Its abundance is 39602705246640

Bases of 21451349880000

• Binary: 100111000001010001000000101101110110011000000₂
• Hexadecimal: 0x13828816ECC0
• Base-36: 7LQM3V000

Squares and roots of 21451349880000

• 21451349880000 squared (21451349880000²) is 460160411674176014400000000
• 21451349880000 cubed (21451349880000³) is 9871061991747586245598318272000000000000
• The square root of 21451349880000 is 4631560.1993280839
• The cube root of 21451349880000 is 27785.4995199689

Scales and comparisons

• 21,451,349,880,000 seconds is equal to 682,086 years, 29 weeks, 5 days, 12 hours.
• To count from 1 to 21,451,349,880,000 would take you about one million, seven hundred five thousand, two hundred sixteen 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 21451349880000 cubic inches would be around 2315.5 feet tall.

Recreational maths with 21451349880000

• 21451349880000 backwards is 00008894315412
• 21451349880000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21451349880000's digits is 45
• More coming soon!