21135487653280

Names of 21135487653280

• Cardinal: 21135487653280 can be written as Twenty-one trillion, one hundred thirty-five billion, four hundred eighty-seven million, six hundred fifty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.113548765328 × 10¹³

Factors of 21135487653280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 10179

Divisors of 21135487653280

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 49 52 55 56 65 70 77 80 88 91 98 104 110 112 121 130 140 143 154 160 169 176 182 196 208 220 224 242 245 260 280 286 308 338 352 364 385 392 416 440 455 484 490 520 539 560 572 605 616 637 676 715 728 770 784 845 847 880 910 968 980 1001 1040 1078 1120 1144 1183 1210 1232 1274 1352 1430 1456 1540 1568 1573 1690 1694 1760 1820 1859 1936 1960 2002 2080 2156 2197 2288 2366 2420 2464 2548 2695 2704 2860 2912 3080 3146 3185 3380 3388 3640 3718 3872 3920 4004 4235 4312 4394 4576 4732 4840 5005 5096 5390 5408 5720 5915 5929 6160 6292 6370 6760 6776 7007 7280 7436 7840 7865 8008 8281 8470 8624 8788 9295 9464 9680 10010 10141 10192 10780 10985 11011 11440 11830 11858 12320 12584 12740 13013 13520 13552 14014 14560 14872 15379 15730 16016 16562 16940 17248 17576 18590 18928 19360 20020 20282 20384 20449 21560 21970 22022 22880 23660 23716 24167 25168 25480 26026 27040 27104 28028 29645 29744 30758 31460 32032 33124 33880 35035 35152 37180 37856 40040 40564 40898 41405 43120 43940 44044 47320 47432 48334 50336 50705 50960 52052 55055 56056 59290 59488 61516 62920 65065 66248 67760 70070 70304 70987 74360 76895 77077 80080 81128 81796 82810 86240 87880 88088 91091 94640 94864 96668 101410 101920 102245 104104 107653 110110 111551 112112 118580 120835 123032 125840 130130 131833 132496 135520 140140 141974 143143 148720 153790 154154 160160 162256 163592 165620 169169 175760 176176 182182 189280 189728 193336 202820 204490 208208 215306 220220 223102 224224 237160 241670 246064 251680 260260 263666 264992 265837 280280 283948 286286 297440 307580 308308 324512 327184 331240 338338 351520 352352 354935 364364 385385 386672 405640 408980 416416 430612 440440 446204 455455 474320 483340 492128 496909 520520 527332 531674 538265 557755 560560 567896 572572 615160 616616 654368 659165 662480 676676 709870 715715 728728 770770 773344 780857 811280 817960 845845 861224 880880 892408 910910 922831 948640 966680 993818 1002001 1041040 1054664 1063348 1076530 1115510 1121120 1135792 1145144 1184183 1227061 1230320 1233232 1318330 1324960 1329185 1353352 1419740 1431430 1450163 1457456 1541540 1561714 1622560 1635920 1691690 1713829 1722448 1761760 1784816 1821820 1845662 1860859 1933360 1987636 2004002 2082080 2109328 2126696 2153060 2231020 2271584 2290288 2368366 2454122 2460640 2466464 2484545 2636660 2658370 2706704 2839480 2862860 2900326 2914912 3083080 3123428 3271840 3383380 3427658 3444896 3569632 3643640 3691324 3721718 3866720 3904285 3975272 4008004 4218656 4253392 4306120 4462040 4580576 4614155 4736732 4908244 4969090 5010005 5273320 5316740 5413408 5465999 5678960 5725720 5800652 5920915 6135305 6166160 6246856 6459817 6766760 6855316 7250815 7287280 7382648 7443436 7808570 7950544 8016008 8506784 8569145 8589427 8612240 8924080 9228310 9304295 9473464 9816488 9938180 10020010 10151141 10546640 10633480 10931998 11357920 11451440 11601304 11841830 11996803 12270610 12332320 12493712 12919634 13026013 13533520 13710632 14501630 14574560 14765296 14886872 15617140 15901088 15951793 16032016 17138290 17178854 17224480 17848160 18456620 18608590 18852119 18946928 19632976 19876360 20040020 20302282 21093280 21266960 21863996 22279777 22902880 23202608 23683660 23993606 24541220 24987424 25839268 26052026 27067040 27329995 27421264 29003260 29530592 29773744 31234280 31903586 32064032 32299085 34276580 34357708 36913240 37217180 37704238 37893856 39265952 39752720 40080040 40604564 42533920 42947135 43727992 44559554 46405216 47367320 47987212 49082440 50755705 51678536 52104052 54659990 54842528 58006520 59547488 59984015 60125989 62468560 63807172 64598170 65130065 68553160 68715416 71057987 73826480 74434360 75408476 79505440 79758965 80160080 81209128 83977621 85894270 87455984 89119108 94260595 94734640 95974424 98164880 101511410 103357072 104208104 109319980 111398885 111662551 116013040 119968030 120251978 124937120 127614344 129196340 130260130 131964833 137106320 137430832 142115974 147652960 148868720 150816952 155958439 159517930 160320160 162418256 167955242 171788540 174911968 178238216 188521190 189469280 191948848 196329760 203022820 206714144 207373309 208416208 218639960 222797770 223325102 232026080 239936060 240503956 245077547 255228688 258392680 260520260 263929666 274212640 274861664 284231948 297737440 300629945 301633904 311916878 319035860 324836512 335910484 343577080 355289935 356476432 377042380 383897696 406045640 414746618 416832416 419888105 437279920 445595540 446650204 479872120 481007912 490155094 510457376 516785360 521040520 527859332 558312755 568463896 601259890 603267808 623833756 638071720 659824165 671820968 687154160 710579870 712952864 754084760 779792195 781637857 812091280 829493236 839776210 874559840 891191080 893300408 923753831 959744240 962015824 980310188 1033570720 1036866545 1042081040 1055718664 1091709073 1116625510 1136927792 1202519780 1225387735 1247667512 1276143440 1319648330 1343641936 1374308320 1421159740 1451613163 1508169520 1559584390 1563275714 1624182560 1658986472 1679552420 1715542829 1782382160 1786600816 1847507662 1919488480 1924031648 1960620376 2073733090 2084162080 2111437328 2183418146 2233251020 2273855584 2405039560 2450775470 2495335024 2552286880 2639296660 2687283872 2695853017 2842319480 2903226326 3016339040 3119168780 3126551428 3317972944 3359104840 3431085658 3564764320 3573201632 3695015324 3908189285 3921240752 4147466180 4222874656 4366836292 4466502040 4618769155 4810079120 4901550940 4990670048 5278593320 5391706034 5458545365 5684638960 5806452652 6238337560 6253102856 6635945888 6718209680 6862171316 7258065815 7390030648 7816378570 7842481504 8294932360 8577714145 8733672584 8933004080 9237538310 9620158240 9803101880 10161292141 10557186640 10783412068 10917090730 11369277920 11612905304 12008799803 12476675120 12506205712 13436419360 13479265085 13724342632 14516131630 14780061296 15632757140 16589864720 17155428290 17467345168 17866008160 18475076620 18870971119 19606203760 20322584282 21114373280 21566824136 21834181460 23225810608 24017599606 24953350240 25012411424 26958530170 27448685264 29032263260 29560122592 31265514280 33179729440 34310856580 34934690336 36950153240 37741942238 39212407520 40645168564 43133648272 43668362920 46451621216 48035199212 50806460705 53917060340 54897370528 58064526520 60043999015 62531028560 68621713160 73900306480 75483884476 81290337128 86267296544 87336725840 94354855595 96070398424 101612921410 107834120680 116129053040 120087998030 125062057120 132096797833 137243426320 147800612960 150967768952 162580674256 174673451680 188709711190 192140796848 203225842820 215668241360 232258106080 240175996060 264193595666 274486852640 301935537904 325161348512 377419422380 384281593696 406451685640 431336482720 480351992120 528387191332 603871075808 660483989165 754838844760 812903371280 960703984240 1056774382664 1320967978330 1509677689520 1625806742560 1921407968480 2113548765328 2641935956660 3019355379040 4227097530656 5283871913320 10567743826640 21135487653280
• Sum of all divisors σ(n): 69170172659280
• Sum of proper divisors (its aliquot sum) s(n): 48034685006000
• 21135487653280 is an abundant number, because the sum of its proper divisors (48034685006000) is greater than itself. Its abundance is 26899197352720

Bases of 21135487653280

• Binary: 100110011100011111101001110111101010110100000₂
• Hexadecimal: 0x1338FD3BD5A0
• Base-36: 7HPIBNA1S

Squares and roots of 21135487653280

• 21135487653280 squared (21135487653280²) is 446708838341951321494758400
• 21135487653280 cubed (21135487653280³) is 9441409137387363622115246037436567552000
• The square root of 21135487653280 is 4597334.8424146789
• The cube root of 21135487653280 is 27648.4479761227

Scales and comparisons

• 21,135,487,653,280 seconds is equal to 672,043 years, 6 weeks, 5 days, 16 hours, 34 minutes, 40 seconds.
• To count from 1 to 21,135,487,653,280 would take you about one million, six hundred eighty thousand, one hundred 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 21135487653280 cubic inches would be around 2304 feet tall.

Recreational maths with 21135487653280

• 21135487653280 backwards is 08235678453112
• 21135487653280 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21135487653280's digits is 55
• More coming soon!