21680121080800

Names of 21680121080800

• Cardinal: 21680121080800 can be written as Twenty-one trillion, six hundred eighty billion, one hundred twenty-one million, eighty thousand, eight hundred.

Scientific notation

• Scientific notation: 2.16801210808 × 10¹³

Factors of 21680121080800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 568

Divisors of 21680121080800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 37 40 50 52 56 65 70 74 80 91 100 104 112 130 140 148 151 160 175 182 185 200 208 224 259 260 280 296 302 325 350 353 364 370 400 416 455 481 518 520 560 592 604 650 700 706 728 740 755 800 910 925 962 1036 1040 1057 1120 1184 1208 1295 1300 1400 1412 1456 1480 1510 1765 1820 1850 1924 1963 2072 2080 2114 2275 2405 2416 2471 2590 2600 2800 2824 2912 2960 3020 3367 3530 3640 3700 3775 3848 3926 4144 4228 4550 4589 4810 4832 4942 5180 5200 5285 5587 5600 5648 5920 6040 6475 6734 7060 7280 7400 7550 7696 7852 8288 8456 8825 9100 9178 9620 9815 9884 10360 10400 10570 11174 11296 12025 12080 12355 12950 13061 13468 13741 14120 14560 14800 15100 15392 15704 16835 16912 17650 18200 18356 19240 19630 19768 20720 21140 22348 22801 22945 24050 24160 24710 25900 26122 26425 26936 27482 27935 28240 29600 30200 31408 32123 33670 33824 35300 36400 36712 38480 39109 39260 39536 41440 42280 44696 45602 45890 48100 49075 49420 51800 52244 52850 53303 53872 54964 55870 56480 60400 61775 62816 64246 65305 67340 68705 70600 72631 72800 73424 76960 78218 78520 79072 84175 84560 89392 91204 91427 91780 96200 98150 98840 103600 104488 105700 106606 107744 109928 111740 114005 114725 120800 123550 128492 130610 134680 137410 139675 141200 145262 146848 156436 157040 159607 160615 168350 169120 169793 178784 182408 182854 183560 192400 195545 196300 197680 207200 208976 211400 213212 219856 223480 228010 229450 247100 256984 261220 266515 269360 274820 279350 282400 290524 296413 312872 314080 319214 321230 326525 336700 339586 343525 363155 364816 365708 367120 373121 384800 391090 392600 395360 417952 422800 426424 439712 446960 456020 457135 458900 494200 508417 513968 522440 533030 538720 549640 558700 570025 581048 592826 625744 638428 642460 653050 673400 679172 687050 692939 726310 729632 731416 734240 746242 782180 785200 798035 803075 843637 845600 848965 852848 893920 912040 914270 917800 977725 988400 1016834 1027936 1044880 1066060 1099280 1117400 1140050 1162096 1185652 1188551 1251488 1276856 1284920 1306100 1332575 1346800 1358344 1374100 1385878 1452620 1462832 1482065 1492484 1564360 1570400 1596070 1606150 1687274 1697930 1705696 1815775 1824080 1828540 1835600 1865605 1955450 1972211 1976800 2033668 2074891 2089760 2132120 2198560 2234800 2280100 2285675 2324192 2371304 2377102 2542085 2553712 2569840 2612200 2665150 2693600 2716688 2748200 2771756 2905240 2925664 2964130 2984968 3128720 3192140 3212300 3374548 3395860 3464695 3631550 3648160 3657080 3671200 3731210 3910900 3944422 3990175 4067336 4149782 4218185 4244825 4264240 4469600 4560200 4571350 4742608 4754204 4850573 5084170 5107424 5139680 5224400 5330300 5433376 5496400 5543512 5810480 5905459 5928260 5942755 5969936 6257440 6384280 6424600 6749096 6791720 6929390 7263100 7314160 7410325 7462420 7821800 7888844 7980350 8048753 8134672 8299564 8436370 8489650 8528480 9120400 9142700 9328025 9485216 9508408 9701146 9861055 10168340 10374455 10448800 10660600 10967281 10992800 11087024 11620960 11810918 11856520 11885510 11939872 12710425 12768560 12849200 13498192 13583440 13805477 13858780 14526200 14628320 14820650 14924840 15643600 15777688 15960700 16097506 16269344 16599128 16872740 16979300 17323475 18240800 18285400 18656050 19016816 19402292 19722110 20336680 20748910 21090925 21321200 21934562 22174048 23621836 23713040 23771020 24252865 25420850 25537120 25638743 25698400 26996384 27166880 27610954 27717560 29052400 29527295 29641300 29713775 29849680 31287200 31555376 31921400 32195012 33198256 33745480 33958600 34646950 36570800 37312100 38033632 38804584 39444220 40243765 40673360 41497820 42181850 42642400 43869124 47243672 47426080 47542040 48505730 49305275 50841700 51277486 51872275 54836405 55221908 55435120 56341271 58104800 59054590 59282600 59427550 59699360 63110752 63842800 64390024 66396512 67490960 67917200 69027385 69293900 73141600 74624200 76770967 77609168 78888440 80487530 81346720 82995640 84363700 87738248 94487344 95084080 97011460 98610550 101683400 102554972 103744550 104633789 109672810 110443816 110870240 112682542 118109180 118565200 118855100 121264325 127685600 128193715 128780048 134981920 135834400 138054770 138587800 147636475 149248400 153541934 155218336 157776880 160975060 165991280 168727400 175476496 179471201 188974688 190168160 194022920 197221100 201218825 203366800 205109944 207489100 209267578 219345620 220887632 225365084 236218360 237130400 237710200 242528650 256387430 257560096 274182025 276109540 277175600 281706355 295272950 297803861 298496800 307083868 315553760 321950120 331982560 337454800 345136925 350952992 358942402 383854835 388045840 394442200 402437650 406733600 410219888 414978200 418535156 438691240 441775264 450730168 472436720 475420400 485057300 512774860 523168945 548364050 552219080 554351200 563412710 590545900 595607722 614167736 640968575 643900240 674909600 690273850 717884804 732436523 767709670 776091680 788884400 804875300 820439776 829956400 837070312 877382480 897356005 901460336 944873440 950840800 970114600 1025549720 1046337890 1096728100 1104438160 1126825420 1181091800 1191215444 1228335472 1281937150 1287800480 1380547700 1408531775 1435769608 1464873046 1489019305 1535419340 1577768800 1609750600 1659912800 1674140624 1754764960 1794712010 1802920672 1919274175 1940229200 2051099440 2084627027 2092675780 2193456200 2208876320 2253650840 2362183600 2382430888 2456670944 2563874300 2615844725 2761095400 2817063550 2871539216 2929746092 2978038610 3070838680 3219501200 3348281248 3589424020 3662182615 3838548350 3871450193 3880458400 4102198880 4169254054 4185351560 4386912400 4486780025 4507301680 4724367200 4764861776 5127748600 5231689450 5522190800 5634127100 5743078432 5859492184 5956077220 6141677360 6439002400 7178848040 7324365230 7445096525 7677096700 7742900386 8338508108 8370703120 8773824800 8973560050 9014603360 9529723552 10255497200 10423135135 10463378900 11044381600 11268254200 11718984368 11912154440 12283354720 14357696080 14648730460 14890193050 15354193400 15485800772 16677016216 16741406240 17947120100 18310913075 19357250965 20510994400 20846270270 20926757800 22536508400 23437968736 23824308880 27100151351 28715392160 29297460920 29780386100 30708386800 30971601544 33354032432 35894240200 36621826150 38714501930 41692540540 41853515600 45073016800 47648617760 52115675675 54200302702 58594921840 59560772200 61416773600 61943203088 66708064864 71788480400 73243652300 77429003860 83385081080 83707031200 96786254825 104231351350 108400605404 117189843680 119121544400 123886406176 135500756755 143576960800 146487304600 154858007720 166770162160 193572509650 208462702700 216801210808 238243088800 271001513510 292974609200 309716015440 333540324320 387145019300 416925405400 433602421616 542003027020 585949218400 619432030880 677503783775 774290038600 833850810800 867204843232 1084006054040 1355007567550 1548580077200 1667701621600 2168012108080 2710015135100 3097160154400 4336024216160 5420030270200 10840060540400 21680121080800
• Sum of all divisors σ(n): 67537748932416
• Sum of proper divisors (its aliquot sum) s(n): 45857627851616
• 21680121080800 is an abundant number, because the sum of its proper divisors (45857627851616) is greater than itself. Its abundance is 24177506770816

Bases of 21680121080800

• Binary: 100111011011111001011111010100110101111100000₂
• Hexadecimal: 0x13B7CBEA6BE0
• Base-36: 7ONPKBS9S

Squares and roots of 21680121080800

• 21680121080800 squared (21680121080800²) is 470027650078148560128640000
• 21680121080800 cubed (21680121080800³) is 10190256365018154365879094423834112000000
• The square root of 21680121080800 is 4656191.6928751977
• The cube root of 21680121080800 is 27883.9246907463

Scales and comparisons

• 21,680,121,080,800 seconds is equal to 689,360 years, 41 weeks, 7 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,680,121,080,800 would take you about one million, seven hundred twenty-three thousand, four hundred one 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 21680121080800 cubic inches would be around 2323.7 feet tall.

Recreational maths with 21680121080800

• 21680121080800 backwards is 00808012108612
• 21680121080800 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21680121080800's digits is 37
• More coming soon!