21391147227840

Names of 21391147227840

• Cardinal: 21391147227840 can be written as Twenty-one trillion, three hundred ninety-one billion, one hundred forty-seven million, two hundred twenty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.139114722784 × 10¹³

Factors of 21391147227840

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1667

Divisors of 21391147227840

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 41 48 52 60 64 65 73 78 80 82 96 104 120 123 130 146 156 160 164 192 195 205 208 219 240 246 260 292 312 320 328 365 390 410 416 438 480 492 520 533 584 615 624 653 656 730 780 820 832 876 877 949 960 984 1040 1066 1095 1168 1230 1248 1306 1312 1460 1560 1599 1640 1752 1754 1898 1959 1968 2080 2132 2190 2336 2460 2496 2612 2624 2631 2665 2847 2920 2993 3120 3198 3265 3280 3504 3508 3796 3918 3936 4160 4264 4380 4385 4672 4745 4920 5224 5262 5330 5694 5840 5986 6240 6396 6530 6560 7008 7016 7592 7836 7872 7995 8489 8528 8760 8770 8979 9490 9795 9840 10448 10524 10660 11388 11401 11680 11972 12480 12792 13060 13120 13155 14016 14032 14235 14965 15184 15672 15990 16978 17056 17520 17540 17958 18980 19590 19680 20896 21048 21320 22776 22802 23360 23944 25467 25584 26120 26310 26773 28064 28470 29930 30368 31344 31980 33956 34112 34203 35040 35080 35916 35957 37960 38909 39180 39360 41792 42096 42445 42640 44895 45552 45604 47669 47888 50934 51168 52240 52620 53546 56128 56940 57005 59860 60736 62688 63960 64021 67912 68406 70080 70160 71832 71914 75920 77818 78360 80319 84192 84890 85280 89790 91104 91208 95338 95776 101868 102336 104480 105240 107092 107871 113880 114010 116727 119720 125376 127335 127920 128042 133865 135824 136812 140320 143007 143664 143828 151840 155636 156720 160638 168384 169780 170560 171015 179580 179785 182208 182416 190676 191552 192063 194545 203736 208960 210480 214184 215742 227760 228020 233454 238345 239440 254670 255840 256084 267730 271648 273624 280640 286014 287328 287656 303680 311272 313440 320105 321276 339560 342030 348049 359160 359570 364832 381352 384126 389090 401595 407472 420960 428368 431484 455520 456040 466908 467441 476690 478880 509340 511680 512168 535460 539355 543296 547248 572028 572681 574656 575312 583635 619697 622544 626880 640210 642552 679120 684060 696098 715035 718320 719140 729664 762704 768252 778180 803190 814944 832273 841920 856736 862968 911040 912080 933816 934882 953380 957760 960315 1018680 1024336 1044147 1070920 1078710 1094496 1144056 1145362 1150624 1167270 1239394 1245088 1280420 1285104 1358240 1368120 1392196 1402323 1430070 1436640 1438280 1525408 1536504 1556360 1606380 1629888 1664546 1713472 1718043 1725936 1740245 1824160 1859091 1867632 1869764 1906760 1920630 1954429 2037360 2048672 2088294 2141840 2157420 2188992 2288112 2290724 2301248 2334540 2337205 2478788 2490176 2496819 2560840 2570208 2624861 2716480 2736240 2784392 2804646 2860140 2863405 2873280 2876560 3050816 3073008 3098485 3112720 3212760 3329092 3436086 3451872 3480490 3648320 3718182 3735264 3739528 3813520 3841260 3908858 4074720 4097344 4161365 4176588 4283680 4314840 4576224 4581448 4669080 4674410 4957576 4993638 5121680 5140416 5220735 5249722 5472480 5568784 5609292 5720280 5726810 5753120 5863287 6146016 6196970 6225440 6425520 6658184 6872172 6903744 6960980 7011615 7436364 7444853 7470528 7479056 7627040 7682520 7817716 7874583 8149440 8322730 8353176 8567360 8590215 8629680 9152448 9162896 9295455 9338160 9348820 9772145 9915152 9987276 10243360 10441470 10499444 10944960 11137568 11218584 11440560 11453620 11506240 11726574 12292032 12393940 12450880 12484095 12851040 13124305 13316368 13744344 13921960 14023230 14872728 14889706 14958112 15254080 15365040 15635432 15749166 16645460 16706352 17180430 17259360 18325792 18590910 18676320 18697640 19544290 19830304 19974552 20486720 20882940 20998888 22275136 22334559 22437168 22881120 22907240 23453148 23479921 24787880 24968190 25407577 25702080 26248610 26632736 27488688 27843920 28046460 29316435 29745456 29779412 29916224 30730080 31270864 31498332 33290920 33412704 34123193 34360860 34518720 36651584 37181820 37224265 37352640 37395280 39088580 39372915 39660608 39949104 41765880 41805713 41997776 44669118 44874336 45762240 45814480 46906296 46959842 49575760 49936380 50815154 52497220 53265472 54977376 55687840 56092920 58632870 59490912 59558824 61460160 62541728 62996664 66581840 66825408 68246386 68721720 70439763 74363640 74448530 74790560 76222731 78177160 78745830 79898208 83531760 83611426 83995552 89338236 89748672 91628960 93812592 93919684 99151520 99872760 101630308 102369579 104994440 109954752 111375680 111672795 112185840 117265740 117399605 118981824 119117648 125083456 125417139 125993328 127037885 133163680 136492772 137443440 140879526 148727280 148897060 149581120 152445462 156354320 157491660 159796416 167063520 167222852 167991104 170615965 178676472 183257920 187625184 187839368 198303040 199745520 203260616 204739158 209028565 209988880 223345590 224371680 234531480 234799210 238235296 250834278 251986656 254075770 266327360 272985544 274886880 281759052 297454560 297794120 304890924 305238973 312708640 314983320 334127040 334445704 341231930 352198815 357352944 375250368 375678736 381113655 399491040 406521232 409478316 418057130 419977760 446691180 448743360 469062960 469598420 476470592 501668556 503973312 508151540 511847895 543474269 545971088 549773760 563518104 594909120 595588240 609781848 610477946 625417280 627085695 629966640 668891408 682463860 704397630 714705888 751357472 762227310 798982080 813042464 818956632 836114260 839955520 893382360 915716919 938125920 939196840 1003337112 1016303080 1023695790 1086948538 1091942176 1127036208 1191176480 1219563696 1220955892 1254171390 1259933280 1337782816 1364927720 1408795260 1429411776 1502714944 1524454620 1526194865 1626084928 1630422807 1637913264 1672228520 1714034233 1786764720 1831433838 1876251840 1878393680 2006674224 2032606160 2047391580 2173897076 2183884352 2254072416 2382352960 2439127392 2441911784 2508342780 2519866560 2675565632 2717371345 2729855440 2817590520 3048909240 3052389730 3260845614 3275826528 3344457040 3428068466 3573529440 3662867676 3756787360 4013348448 4065212320 4094783160 4347794152 4508144832 4578584595 4878254784 4883823568 5016685560 5142102699 5434742690 5459710880 5635181040 6097818480 6104779460 6521691228 6551653056 6688914080 6856136932 7147058880 7325735352 7513574720 8026696896 8130424640 8152114035 8189566320 8570171165 8695588304 9157169190 9767647136 10033371120 10284205398 10869485380 10919421760 11270362080 12195636960 12209558920 13043382456 13377828160 13712273864 14651470704 16304228070 16379132640 17140342330 17391176608 18314338380 19535294272 20066742240 20568410796 21738970760 22282445029 22540724160 24391273920 24419117840 25710513495 26086764912 27424547728 29302941408 32608456140 32758265280 34280684660 34782353216 36628676760 40133484480 41136821592 43477941520 44564890058 48838235680 51421026990 52173529824 54849095456 58605882816 65216912280 66847335087 68561369320 73257353520 82273643184 86955883040 89129780116 97676471360 102842053980 104347059648 109698190912 111412225145 130433824560 133694670174 137122738640 146514707040 164547286368 173911766080 178259560232 205684107960 222824450290 260867649120 267389340348 274245477280 293029414080 329094572736 334236675435 356519120464 411368215920 445648900580 521735298240 534778680696 548490954560 668473350870 713038240928 822736431840 891297801160 1069557361392 1336946701740 1426076481856 1645472863680 1782595602320 2139114722784 2673893403480 3565191204640 4278229445568 5347786806960 7130382409280 10695573613920 21391147227840
• Sum of all divisors σ(n): 76154623034112
• Sum of proper divisors (its aliquot sum) s(n): 54763475806272
• 21391147227840 is an abundant number, because the sum of its proper divisors (54763475806272) is greater than itself. Its abundance is 33372328578432

Bases of 21391147227840

• Binary: 100110111010010000011101110110101101011000000₂
• Hexadecimal: 0x137483BB5AC0
• Base-36: 7KYYGR8AO

Squares and roots of 21391147227840

• 21391147227840 squared (21391147227840²) is 457581179723126916871065600
• 21391147227840 cubed (21391147227840³) is 9788186384146123166562981036146786304000
• The square root of 21391147227840 is 4625056.4567192043
• The cube root of 21391147227840 is 27759.4820732099

Scales and comparisons

• 21,391,147,227,840 seconds is equal to 680,172 years, 16 weeks, 2 days, 13 hours, 4 minutes.
• To count from 1 to 21,391,147,227,840 would take you about one million, seven hundred thousand, four hundred thirty 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 21391147227840 cubic inches would be around 2313.3 feet tall.

Recreational maths with 21391147227840

• 21391147227840 backwards is 04872274119312
• The number of decimal digits it has is: 14
• The sum of 21391147227840's digits is 51
• More coming soon!