21188243974464

Names of 21188243974464

• Cardinal: 21188243974464 can be written as Twenty-one trillion, one hundred eighty-eight billion, two hundred forty-three million, nine hundred seventy-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1188243974464 × 10¹³

Factors of 21188243974464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2005

Divisors of 21188243974464

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 144 147 162 168 189 192 196 216 224 243 252 288 294 324 336 343 378 392 432 441 448 486 504 567 576 588 648 672 686 756 784 864 882 972 1008 1029 1134 1176 1296 1323 1344 1372 1512 1568 1701 1728 1764 1944 1993 2016 2058 2268 2352 2592 2646 2744 3024 3087 3136 3402 3528 3888 3969 3986 4032 4116 4536 4704 5184 5292 5488 5979 6048 6174 6804 7056 7776 7938 7972 8232 9072 9261 9408 10584 10976 11907 11958 12096 12348 13608 13951 14112 15552 15876 15944 16464 17937 18144 18522 21168 21952 23814 23916 24696 27216 27783 27902 28224 31752 31888 32928 35874 36288 37044 41853 42336 47628 47832 49392 53811 54432 55566 55804 63504 63776 65856 71748 74088 83349 83706 84672 95256 95664 97657 98784 107622 108864 111132 111608 125559 127008 127552 143496 148176 161433 166698 167412 190512 191328 195314 197568 215244 222264 223216 251118 254016 286992 292971 296352 322866 333396 334824 376677 381024 382656 390628 430488 444528 446432 484299 502236 573984 585942 592704 645732 666792 669648 683599 753354 762048 781256 860976 878913 889056 892864 968598 1004472 1130031 1147968 1171884 1291464 1333584 1339296 1367198 1506708 1562512 1721952 1757826 1778112 1937196 2008944 2050797 2260062 2343768 2582928 2636739 2667168 2678592 2734396 3013416 3125024 3390093 3443904 3515652 3874392 3972049 4017888 4101594 4520124 4687536 5165856 5273478 5334336 5468792 6026832 6152391 6250048 6780186 7031304 7748784 7910217 7944098 8035776 8203188 9040248 9375072 10331712 10546956 10937584 11916147 12053664 12304782 13560372 14062608 15497568 15820434 15888196 16406376 18080496 18457173 18750144 21093912 21875168 23730651 23832294 24107328 24609564 27120744 27804343 28125216 30995136 31640868 31776392 32812752 35748441 36160992 36914346 42187824 43750336 47461302 47664588 49219128 54241488 55371519 55608686 56250432 63281736 63552784 65625504 71496882 72321984 73828692 83413029 84375648 94922604 95329176 98438256 107245323 108482976 110743038 111217372 126563472 127105568 131251008 142993764 147657384 166114557 166826058 168751296 189845208 190658352 194630401 196876512 214490646 216965952 221486076 222434744 250239087 253126944 254211136 285987528 295314768 321735969 332229114 333652116 379690416 381316704 389260802 393753024 428981292 442972152 444869488 500478174 506253888 571975056 583891203 590629536 643471938 664458228 667304232 750717261 759380832 762633408 778521604 857962584 885944304 889738976 965207907 1000956348 1143950112 1167782406 1181259072 1286943876 1328916456 1334608464 1362412807 1501434522 1518761664 1557043208 1715925168 1751673609 1771888608 1779477952 1930415814 2001912696 2252151783 2287900224 2335564812 2573887752 2657832912 2669216928 2724825614 3002869044 3114086416 3431850336 3503347218 3543777216 3860831628 4003825392 4087238421 4504303566 4671129624 5147775504 5255020827 5315665824 5338433856 5449651228 6005738088 6228172832 6756455349 6863700672 7006694436 7721663256 8007650784 8174476842 9008607132 9342259248 10295551008 10510041654 10631331648 10899302456 12011476176 12261715263 12456345664 13512910698 14013388872 15443326512 15765062481 16015301568 16348953684 18017214264 18684518496 20591102016 21020083308 21798604912 24022952352 24523430526 27025821396 28026777744 30886653024 31530124962 32697907368 36034428528 36785145789 37369036992 42040166616 43597209824 47295187443 48045904704 49046861052 54051642792 56053555488 61773306048 63060249924 65395814736 72068857056 73570291578 84080333232 87194419648 94590374886 98093722104 108103285584 110355437367 112107110976 126120499848 130791629472 144137714112 147140583156 168160666464 189180749772 196187444208 216206571168 220710874734 252240999696 261583258944 294281166312 331066312101 336321332928 378361499544 392374888416 432413142336 441421749468 504481999392 588562332624 662132624202 756722999088 784749776832 882843498936 1008963998784 1177124665248 1324265248404 1513445998176 1765686997872 2354249330496 2648530496808 3026891996352 3531373995744 5297060993616 7062747991488 10594121987232 21188243974464
• Sum of all divisors σ(n): 73484823921600
• Sum of proper divisors (its aliquot sum) s(n): 52296579947136
• 21188243974464 is an abundant number, because the sum of its proper divisors (52296579947136) is greater than itself. Its abundance is 31108335972672

Bases of 21188243974464

• Binary: 100110100010101000101110000010110100101000000₂
• Hexadecimal: 0x134545C16940
• Base-36: 7IDQTEC00

Squares and roots of 21188243974464

• 21188243974464 squared (21188243974464²) is 448941682721410003084087296
• 21188243974464 cubed (21188243974464³) is 9512285903807644359412468306192970809344
• The square root of 21188243974464 is 4603068.9734636825
• The cube root of 21188243974464 is 27671.4333057561

Scales and comparisons

• 21,188,243,974,464 seconds is equal to 673,720 years, 32 weeks, 1 day, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,188,243,974,464 would take you about one million, six hundred eighty-four thousand, three 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 21188243974464 cubic inches would be around 2306 feet tall.

Recreational maths with 21188243974464

• 21188243974464 backwards is 46447934288112
• 21188243974464 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21188243974464's digits is 63
• More coming soon!