21155639848875

Names of 21155639848875

• Cardinal: 21155639848875 can be written as Twenty-one trillion, one hundred fifty-five billion, six hundred thirty-nine million, eight hundred forty-eight thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 2.1155639848875 × 10¹³

Factors of 21155639848875

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19623

Divisors of 21155639848875

• Number of divisors d(n): 640
• Complete list of divisors:
  1 3 5 7 9 15 17 21 25 27 29 31 35 45 51 63 75 81 85 87 93 105 119 125 135 145 153 155 175 189 203 217 225 255 261 279 315 357 375 405 425 435 459 465 493 525 527 567 595 609 651 675 725 765 775 783 837 875 899 945 1015 1071 1085 1125 1275 1305 1377 1395 1479 1575 1581 1785 1827 1953 2025 2125 2175 2295 2325 2349 2465 2511 2625 2635 2697 2835 2975 3045 3213 3255 3375 3451 3625 3689 3825 3875 3915 4185 4437 4495 4725 4743 5075 5355 5425 5481 5859 6293 6375 6525 6885 6975 7395 7875 7905 8091 8925 9135 9639 9765 10125 10353 10875 11067 11475 11625 11745 12325 12555 13175 13311 13485 14175 14229 14875 15225 15283 16065 16275 16443 17255 17577 18445 18879 19125 19531 19575 20925 22185 22475 23625 23715 24273 25375 26775 27125 27405 29295 31059 31465 32625 33201 34425 34875 36975 39525 39933 40455 42687 44625 45675 45849 48195 48825 51765 55335 56637 57375 58593 58725 61625 62775 65875 66555 67425 70875 71145 72819 76125 76415 80325 81375 82215 86275 87885 92225 93177 94395 97655 97875 99603 104625 106981 110925 112375 118575 121365 133875 136717 137025 137547 146475 155295 157325 166005 169911 172125 175779 184875 197625 199665 202275 213435 228375 229245 240975 244125 258825 276675 279531 283185 292965 293625 298809 313875 320943 332027 332775 337125 355725 364095 382075 401625 410151 411075 412641 431375 439425 461125 465885 471975 488275 498015 509733 527337 534905 554625 566399 592875 605461 606825 683585 685125 687735 732375 776475 786625 830025 849555 878895 962829 996081 998325 1011375 1067175 1146225 1204875 1230453 1237923 1294125 1383375 1397655 1415925 1464825 1494045 1582011 1604715 1660135 1663875 1699197 1778625 1816383 1820475 1910375 2050755 2055375 2063205 2197125 2324189 2329425 2359875 2441375 2490075 2548665 2636685 2674525 2831995 2888487 2988243 3027305 3034125 3417925 3438675 3691359 3882375 3964793 4150125 4238227 4247775 4394475 4814145 4980405 4991625 5097591 5335875 5449149 5731125 6152265 6189615 6972567 6988275 7079625 7324125 7470225 7910055 8023575 8300675 8495985 8665461 8964729 9081915 9102375 9628783 10253775 10292837 10316025 11074077 11620945 11647125 11894379 12450375 12714681 12743325 13183425 13372625 14159975 14442435 14941215 15136525 15292773 16347447 17089625 17193375 17558369 18456795 19823965 20917701 21191135 21238875 21972375 24070725 24902025 25487955 26894187 27245745 28886349 30761325 30878511 30948075 34862835 34941375 35683137 37351125 38144043 39550275 40117875 41503375 42479925 43327305 44823645 45409575 45878319 48143915 49042341 51268875 51464185 51580125 52675107 55370385 58104725 59471895 62753103 63573405 63716625 65917125 67401481 70799875 72049859 72212175 74706075 75682625 76463865 81737235 86659047 87791845 92283975 92635533 99119825 104588505 105955675 107049411 114432129 120353625 122908583 124510125 127439775 134470935 136228725 144431745 153806625 154392555 154740375 158025321 174314175 178415685 188259309 190720215 197751375 202204443 212399625 216149577 216636525 224118225 227047875 229391595 240719575 245211705 257320925 259977141 263375535 276851925 277906599 290523625 297359475 298492273 313765515 317867025 321148233 337007405 343296387 360249295 361060875 368725749 373530375 382319325 408686175 433295235 438959225 461419875 463177665 474075963 495599125 522942525 529778375 535247055 572160645 606613329 614542915 637198875 648448731 672354675 681143625 722158725 771962775 779931423 790126605 833719797 871570875 892078425 895476819 941296545 953601075 1011022215 1080747885 1083182625 1106177247 1120591125 1146957975 1203597875 1226058525 1286604625 1299885705 1316877675 1384259625 1389532995 1422227889 1486797375 1492461365 1568827575 1589335125 1605741165 1685037025 1716481935 1801246475 1819839987 1843628745 1911596625 1945346193 2043430875 2089445911 2166476175 2194796125 2315888325 2370379815 2614712625 2676235275 2686430457 2860803225 3033066645 3072714575 3242243655 3318531741 3361773375 3610793625 3859813875 3899657115 3950633025 4168598985 4460392125 4477384095 4706482725 4768005375 5055111075 5403739425 5459519961 5530886235 5734789875 5836038579 6130292625 6268337733 6499428525 6584388375 6947664975 7111139445 7462306825 7844137875 8028705825 8059291371 8425185125 8582409675 9006232375 9099199935 9218143725 9726730965 9955595223 10447229555 10832380875 11579441625 11851899075 13381176375 13432152285 14304016125 15165333225 15363572875 16211218275 16592658705 18805013199 19498285575 19753165125 20842994925 22386920475 23532413625 24177874113 25275555375 27018697125 27297599805 27654431175 29180192895 31341688665 32497142625 34738324875 35555697225 37311534125 40143529125 40296456855 42912048375 45495999675 46090718625 48633654825 49777976115 52236147775 56415039597 59259495375 67160761425 75826666125 81056091375 82963293525 94025065995 97491427875 104214974625 111934602375 120889370565 136487999025 138272155875 145900964475 156708443325 169245118791 177778486125 201482284275 227479998375 243168274125 248889880575 261180738875 282075197985 335803807125 414816467625 470125329975 604446852825 682439995125 729504822375 783542216625 846225593955 1007411421375 1244449402875 1410375989925 2350626649875 3022234264125 4231127969775 7051879949625 21155639848875
• Sum of all divisors σ(n): 50967157063680
• Sum of proper divisors (its aliquot sum) s(n): 29811517214805
• 21155639848875 is an abundant number, because the sum of its proper divisors (29811517214805) is greater than itself. Its abundance is 8655877365930

Bases of 21155639848875

• Binary: 100110011110110101110011001011110111110101011₂
• Hexadecimal: 0x133DAE65EFAB
• Base-36: 7HYRLQROR

Squares and roots of 21155639848875

• 21155639848875 squared (21155639848875²) is 447561097415307832838765625
• 21155639848875 cubed (21155639848875³) is 9468441387285512153828707369116544921875
• The square root of 21155639848875 is 4599526.0461133385
• The cube root of 21155639848875 is 27657.2325686417

Scales and comparisons

• 21,155,639,848,875 seconds is equal to 672,683 years, 47 weeks, 1 day, 16 hours, 41 minutes, 15 seconds.
• To count from 1 to 21,155,639,848,875 would take you about one million, six hundred eighty-one thousand, seven hundred nine 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 21155639848875 cubic inches would be around 2304.8 feet tall.

Recreational maths with 21155639848875

• 21155639848875 backwards is 57884893655112
• The number of decimal digits it has is: 14
• The sum of 21155639848875's digits is 72
• More coming soon!