21138165662432

Names of 21138165662432

• Cardinal: 21138165662432 can be written as Twenty-one trillion, one hundred thirty-eight billion, one hundred sixty-five million, six hundred sixty-two thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1138165662432 × 10¹³

Factors of 21138165662432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 198

Divisors of 21138165662432

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 73 91 98 103 104 112 146 169 182 196 206 208 224 292 338 364 392 412 416 511 584 637 676 721 728 784 824 949 1022 1168 1183 1274 1339 1352 1442 1456 1568 1648 1898 2044 2336 2366 2548 2678 2704 2884 2912 3296 3577 3796 4088 4732 5047 5096 5356 5408 5768 6643 7154 7519 7592 8176 8281 9373 9464 10094 10192 10609 10712 11536 12337 13286 14308 15038 15184 16352 16562 17407 18746 18928 20188 20384 21218 21424 23072 24674 26572 28616 30076 30368 33124 34814 37492 37856 40376 42436 42848 46501 49348 52633 53144 57232 60152 65611 66248 69628 74263 74984 80752 84872 86359 93002 97747 98696 105266 106288 114464 120304 121849 131222 132496 137917 139256 148526 149968 161504 169744 172718 186004 195494 197392 210532 212576 240608 243698 262444 264992 275834 278512 297052 299936 339488 345436 368431 372008 390988 394784 421064 487396 519841 524888 551668 557024 594104 604513 684229 690872 736862 744016 774457 781976 842128 852943 965419 974792 1039682 1049776 1092727 1103336 1188208 1209026 1270711 1368458 1381744 1473724 1488032 1548914 1563952 1684256 1705886 1792921 1930838 1949584 2079364 2099552 2185454 2206672 2376416 2418052 2541422 2736916 2763488 2947448 3097828 3127904 3411772 3585842 3861676 3899168 4158728 4370908 4413344 4789603 4836104 5082844 5421199 5473832 5894896 6195656 6757933 6823544 7171684 7649089 7723352 8317456 8741816 8894977 9579206 9672208 10067941 10165688 10842398 10947664 11789792 12391312 12550447 13515866 13647088 14205451 14343368 15298178 15446704 16634912 17483632 17789954 19158412 19344416 20135882 20331376 21684796 21895328 24782624 25100894 27031732 27294176 28410902 28686736 30596356 30893408 34967264 35579908 37948393 38316824 40271764 40662752 43369592 50201788 53543623 54063464 56821804 57373472 61192712 62264839 70475587 71159816 75896786 76633648 79769071 80543528 86739184 87853129 99438157 100403576 107087246 108126928 113643608 122385424 124529678 130883233 140951174 142319632 151793572 153267296 159538142 161087056 173478368 175706258 184670863 198876314 200807152 214174492 216253856 227287216 244770848 249059356 261766466 281902348 284639264 303587144 319076284 322174112 351412516 369341726 397752628 401614304 428348984 454574432 493329109 498118712 523532932 558383497 563804696 607174288 638152568 696067099 702825032 738683452 795505256 856697968 916182631 986658218 996237424 1036997923 1047065864 1116766994 1127609392 1214348576 1276305136 1292696041 1392134198 1405650064 1477366904 1591010512 1713395936 1832365262 1973316436 1992474848 2073995846 2094131728 2233533988 2255218784 2552610272 2585392082 2784268396 2811300128 2954733808 3182021024 3664730524 3908684479 3946632872 4147991692 4188263456 4467067976 5170784164 5568536792 5909467616 6413278417 7258985461 7329461048 7817368958 7893265744 8295983384 8934135952 9048872287 10341568328 11137073584 12826556834 13480972999 14517970922 14658922096 15634737916 15786531488 16591966768 17868271904 18097744574 20683136656 22274147168 25653113668 26961945998 29035941844 29317844192 31269475832 33183933536 36195489148 41366273312 50812898227 51306227336 53923891996 58071883688 62538951664 72390978296 94366810993 101625796454 102612454672 107847783992 116143767376 125077903328 144781956592 188733621986 203251592908 205224909344 215695567984 232287534752 289563913184 377467243972 406503185816 431391135968 660567676951 754934487944 813006371632 1321135353902 1509868975888 1626012743264 2642270707804 3019737951776 5284541415608 10569082831216 21138165662432
• Sum of all divisors σ(n): 53659539067680
• Sum of proper divisors (its aliquot sum) s(n): 32521373405248
• 21138165662432 is an abundant number, because the sum of its proper divisors (32521373405248) is greater than itself. Its abundance is 11383207742816

Bases of 21138165662432

• Binary: 100110011100110011100110110110000001011100000₂
• Hexadecimal: 0x13399CDB02E0
• Base-36: 7HQQM2B4W

Squares and roots of 21138165662432

• 21138165662432 squared (21138165662432²) is 446822047572419273376154624
• 21138165662432 cubed (21138165662432³) is 9444998463212870667298107608737819885568
• The square root of 21138165662432 is 4597626.0898894333
• The cube root of 21138165662432 is 27649.6156752219

Scales and comparisons

• 21,138,165,662,432 seconds is equal to 672,128 years, 14 weeks, 5 days, 4 hours, 32 seconds.
• To count from 1 to 21,138,165,662,432 would take you about one million, six hundred eighty thousand, three hundred twenty 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 21138165662432 cubic inches would be around 2304.1 feet tall.

Recreational maths with 21138165662432

• 21138165662432 backwards is 23426656183112
• The number of decimal digits it has is: 14
• The sum of 21138165662432's digits is 50
• More coming soon!