21142815488478

Names of 21142815488478

• Cardinal: 21142815488478 can be written as Twenty-one trillion, one hundred forty-two billion, eight hundred fifteen million, four hundred eighty-eight thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 2.1142815488478 × 10¹³

Factors of 21142815488478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 210

Divisors of 21142815488478

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 9 17 18 27 34 51 54 61 81 102 122 127 153 162 183 243 254 289 306 366 381 459 486 549 578 729 762 867 918 1037 1098 1143 1377 1458 1647 1734 2074 2159 2187 2286 2601 2754 3111 3294 3429 4131 4318 4374 4913 4941 5202 6222 6477 6858 7747 7803 8262 9333 9826 9882 10287 12393 12954 14739 14823 15494 15606 16129 17629 18666 19431 20574 23241 23409 24786 27999 29478 29646 30861 32258 35258 36703 37179 38862 44217 44469 46482 46818 48387 52887 55998 58293 61722 69723 70227 73406 74358 83997 88434 88938 92583 96774 105774 110109 116586 131699 132651 133407 139446 140454 145161 158661 167994 174879 185166 209169 210681 220218 251991 263398 265302 266814 274193 277749 290322 299693 317322 330327 349758 395097 397953 418338 421362 435483 475983 503982 524637 548386 555498 599386 623951 627507 632043 660654 755973 790194 795906 822579 870966 899079 951966 983869 990981 1049274 1185291 1193859 1247902 1255014 1264086 1306449 1427949 1511946 1573911 1645158 1798158 1871853 1882521 1967738 1981962 2238883 2267919 2370582 2387718 2467737 2612898 2697237 2855898 2951607 2972943 3147822 3555873 3581577 3743706 3765042 3919347 4283847 4477766 4535838 4661281 4721733 4935474 5394474 5615559 5647563 5903214 5945886 6716649 7111746 7163154 7403211 7838694 8091711 8567694 8854821 8918829 9322562 9443466 10667619 10744731 11231118 11295126 11758041 12851541 13433298 13983843 14806422 16183422 16725773 16846677 16942689 17709642 17837658 20149947 21335238 21489462 22209633 23516082 24275133 25703082 26564463 26756487 27967686 32002857 33451546 33693354 33885378 35274123 38061011 38554623 40299894 41951529 44419266 48550266 50177319 50540031 53128926 53512974 60449841 64005714 66628899 70548246 72825399 76122022 77109246 79241777 79693389 80269461 83903058 96008571 100354638 101080062 114183033 120899682 125854587 133257798 145650798 150531957 151620093 158483554 159386778 160538922 181349523 192017142 199886697 218476197 228366066 237725331 239080167 251709174 284338141 288025713 301063914 303240186 342549099 362699046 377563761 399773394 436952394 451595871 454860279 475450662 478160334 544048569 568676282 576051426 599660091 655428591 685098198 713175993 717240501 755127522 853014423 903191742 909720558 1027647297 1088097138 1132691283 1199320182 1310857182 1354787613 1364580837 1426351986 1434481002 1632145707 1706028846 2055294594 2139527979 2151721503 2265382566 2559043269 2709575226 2729161674 3082941891 3264291414 3398073849 4064362839 4279055958 4303443006 4833748397 4896437121 5118086538 6165883782 6418583937 6796147698 7677129807 8128725678 9248825673 9667496794 9792874242 10194221547 12193088517 12837167874 14501245191 15354259614 18497651346 19255751811 20388443094 23031389421 24386177034 27746477019 29002490382 36579265551 38511503622 43503735573 46062778842 55492954038 57767255433 69094168263 73158531102 83239431057 87007471146 115534510866 130511206719 138188336526 166478862114 173301766299 207282504789 261022413438 346603532598 391533620157 414565009578 621847514367 783067240314 1174600860471 1243695028734 2349201720942 3523802581413 7047605162826 10571407744239 21142815488478
• Sum of all divisors σ(n): 51772328323200
• Sum of proper divisors (its aliquot sum) s(n): 30629512834722
• 21142815488478 is an abundant number, because the sum of its proper divisors (30629512834722) is greater than itself. Its abundance is 9486697346244

Bases of 21142815488478

• Binary: 100110011101010110010000000011011100111011110₂
• Hexadecimal: 0x133AB201B9DE
• Base-36: 7HSVIG7VI

Squares and roots of 21142815488478

• 21142815488478 squared (21142815488478²) is 447018646779825209750756484
• 21142815488478 cubed (21142815488478³) is 9451232768774964683811899259892485791352
• The square root of 21142815488478 is 4598131.7389215807
• The cube root of 21142815488478 is 27651.6429163637

Scales and comparisons

• 21,142,815,488,478 seconds is equal to 672,276 years, 6 weeks, 6 days, 14 hours, 21 minutes, 18 seconds.
• To count from 1 to 21,142,815,488,478 would take you about one million, six hundred eighty thousand, six hundred ninety 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 21142815488478 cubic inches would be around 2304.3 feet tall.

Recreational maths with 21142815488478

• 21142815488478 backwards is 87488451824112
• The number of decimal digits it has is: 14
• The sum of 21142815488478's digits is 63
• More coming soon!