21018554632380032

Names of 21018554632380032

• Cardinal: 21018554632380032 can be written as Twenty-one quadrillion, eighteen trillion, five hundred fifty-four billion, six hundred thirty-two million, three hundred eighty thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1018554632380032 × 10¹⁶

Factors of 21018554632380032

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7306

Divisors of 21018554632380032

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 128 169 182 196 208 224 338 364 392 416 421 448 637 676 728 784 832 842 896 1183 1274 1352 1456 1568 1664 1684 2366 2548 2704 2912 2947 3136 3368 4732 5096 5408 5473 5824 5894 6272 6736 6863 8281 9464 10192 10816 10946 11648 11788 13472 13726 16562 18928 20384 20629 21632 21892 23576 26944 27452 33124 37856 38311 40768 41258 43784 47152 48041 53888 54904 66248 71149 75712 76622 81536 82516 87568 89219 94304 96082 109808 132496 142298 151424 153244 165032 175136 178438 188608 192164 219616 264992 268177 284596 306488 330064 336287 350272 356876 377216 384328 439232 498043 529984 536354 569192 612976 624533 660128 672574 700544 713752 768656 878464 996086 1059968 1072708 1138384 1159847 1225952 1249066 1320256 1345148 1427504 1537312 1992172 2145416 2276768 2319694 2451904 2498132 2640512 2690296 2855008 2889323 3074624 3486301 3984344 4290832 4371731 4553536 4639388 4903808 4996264 5380592 5710016 5778646 6149248 6972602 7968688 8118929 8581664 8743462 9107072 9278776 9992528 10761184 11420032 11557292 13945204 15937376 16237858 17163328 17486924 18557552 19985056 20225261 21522368 23114584 27890408 31874752 32475716 34326656 34973848 37115104 37561199 39970112 40450522 43044736 46229168 47100769 55780816 56832503 63749504 64951432 69947696 74230208 75122398 79940224 80901044 92458336 94201538 111561632 113665006 129902864 139895392 141576827 148460416 150244796 161802088 184916672 188403076 223123264 227330012 259805728 262928393 279790784 283153654 300489592 323604176 329705383 369833344 376806152 446246528 454660024 488295587 519611456 525856786 559581568 566307308 600979184 612309997 647208352 659410766 753612304 909320048 976591174 1039222912 1051713572 1132614616 1201958368 1224619994 1294416704 1318821532 1507224608 1818640096 1840498751 1953182348 2103427144 2265229232 2307937681 2403916736 2449239988 2588833408 2637643064 3014449216 3418069109 3637280192 3680997502 3906364696 4206854288 4286169979 4530458464 4615875362 4807833472 4898479976 5275286128 6028898432 6836138218 7274560384 7361995004 7812729392 7960029961 8413708576 8572339958 9060916928 9231750724 9796959952 10550572256 13672276436 14723990008 15625458784 15920059922 16827417152 17144679916 18121833856 18463501448 19593919904 19829423749 21101144512 23926483763 27344552872 29447980016 30003189853 31250917568 31840119844 33654834304 34289359832 36927002896 39187839808 39658847498 42202289024 47852967526 54689105744 55720209727 58895960032 60006379706 62501835136 63680239688 68578719664 73854005792 78375679616 79317694996 95705935052 109378211488 111440419454 117791920064 120012759412 127360479376 137157439328 138805966243 147708011584 158635389992 191411870104 218756422976 222880838908 235583840128 240025518824 254720958752 257782508737 274314878656 277611932486 295416023168 317270779984 382823740208 390041468089 437512845952 445761677816 480051037648 509441917504 515565017474 548629757312 555223864972 634541559968 765647480416 780082936178 891523355632 960102075296 971641763701 1018883835008 1031130034948 1110447729944 1269083119936 1531294960832 1560165872356 1783046711264 1804477561159 1920204150592 1943283527402 2062260069896 2220895459888 2538166239872 3062589921664 3120331744712 3351172613581 3566093422528 3608955122318 3840408301184 3886567054804 4124520139792 4441790919776 6240663489424 6702345227162 7132186845056 7217910244636 7773134109608 8249040279584 8883581839552 12481326978848 12631342928113 13404690454324 14435820489272 15546268219216 16498080559168 17767163679104 23458208295067 24962653957696 25262685856226 26809380908648 28871640978544 31092536438432 32996161118336 46916416590134 49925307915392 50525371712452 53618761817296 57743281957088 62185072876864 93832833180268 101050743424904 107237523634592 115486563914176 124370145753728 164207458065469 187665666360536 202101486849808 214475047269184 230973127828352 328414916130938 375331332721072 404202973699616 428950094538368 656829832261876 750662665442144 808405947399232 1313659664523752 1501325330884288 1616811894798464 2627319329047504 3002650661768576 5254638658095008 10509277316190016 21018554632380032
• Sum of all divisors σ(n): 52877371650153030
• Sum of proper divisors (its aliquot sum) s(n): 31858817017772998
• 21018554632380032 is an abundant number, because the sum of its proper divisors (31858817017772998) is greater than itself. Its abundance is 10840262385392966

Bases of 21018554632380032

• Binary: 1001010101011000100001110011010100011100001111010000000₂
• Hexadecimal: 0x4AAC439A8E1E80
• Base-36: 5QYGEP54BY8

Squares and roots of 21018554632380032

• 21018554632380032 squared (21018554632380032²) is 441779638834344102131960872321024
• 21018554632380032 cubed (21018554632380032³) is 9285569474312780708253100725987232940413071392768
• The square root of 21018554632380032 is 144977772.8908125833
• The cube root of 21018554632380032 is 275973.6489946765

Scales and comparisons

• 21,018,554,632,380,032 seconds is equal to 668,325,022 years, 33 weeks, 6 days, 3 hours, 20 minutes, 32 seconds.
• To count from 1 to 21,018,554,632,380,032 would take you about two billion, four million, nine hundred seventy-five thousand and sixty-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 21018554632380032 cubic inches would be around 22997.8 feet tall.

Recreational maths with 21018554632380032

• 21018554632380032 backwards is 23008323645581012
• The number of decimal digits it has is: 17
• The sum of 21018554632380032's digits is 53
• More coming soon!