21105371826

Names of 21105371826

• Cardinal: 21105371826 can be written as Twenty-one billion, one hundred five million, three hundred seventy-one thousand, eight hundred twenty-six.

Scientific notation

• Scientific notation: 2.1105371826 × 10¹⁰

Factors of 21105371826

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 190

Divisors of 21105371826

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 23 27 31 33 42 46 49 54 62 63 66 69 77 81 93 98 99 113 126 138 147 154 161 162 186 189 198 207 217 226 231 243 253 279 294 297 322 339 341 378 414 434 441 462 483 486 506 539 558 567 594 621 651 678 682 693 713 759 791 837 882 891 966 1017 1023 1078 1127 1134 1242 1243 1302 1323 1386 1426 1449 1518 1519 1582 1617 1674 1701 1771 1782 1863 1953 2034 2046 2079 2139 2254 2277 2373 2387 2486 2511 2599 2646 2673 2898 3038 3051 3069 3234 3381 3402 3503 3542 3726 3729 3906 3969 4158 4278 4347 4554 4557 4746 4774 4851 4991 5022 5198 5313 5346 5537 5589 5859 6102 6138 6237 6417 6762 6831 7006 7119 7161 7458 7533 7797 7843 7938 8694 8701 9114 9153 9207 9702 9982 10143 10509 10626 11074 11178 11187 11718 11907 12397 12474 12834 13041 13662 13671 14238 14322 14553 14973 15066 15594 15686 15939 16611 16709 17402 17577 18193 18306 18414 18711 19251 20286 20493 21018 21357 21483 22374 23391 23529 23814 24521 24794 26082 26103 27342 27459 27621 28589 29106 29946 30429 31527 31878 33222 33418 33561 34937 35154 36386 37191 37422 38502 38533 39123 40986 41013 42714 42966 43659 44919 46782 47058 47817 49042 49833 50127 52206 52731 54579 54901 54918 55242 57178 57753 60858 60907 61479 63054 64071 64449 67122 69874 70173 70587 73563 74382 77066 78246 78309 80569 82026 82863 85767 87318 89838 91287 94581 95634 99666 100254 100683 104811 105462 109158 109802 111573 115506 115599 121814 122958 123039 127351 128142 128898 130977 134757 140346 141174 143451 147126 149499 150381 156618 161138 163737 164703 165726 171534 171647 173259 182574 182721 189162 192213 193347 200123 201366 209622 210519 211761 220689 223146 231198 234927 241707 246078 254702 257301 261954 269514 269731 273861 283743 286902 298998 300762 302049 314433 327474 329406 334719 343294 346518 346797 365442 369117 382053 384307 384426 386694 400246 404271 421038 423522 430353 441378 448497 451143 469854 483414 491211 494109 514602 514941 539462 547722 548163 563983 567486 580041 600369 604098 628866 631557 635283 662067 669438 693594 704781 725121 738234 764106 768614 771903 808542 809193 851229 860706 886259 896994 902286 943299 982422 988218 1004157 1029882 1040391 1096326 1127966 1146159 1152921 1160082 1200738 1212813 1263114 1270566 1324134 1345491 1353429 1400861 1409562 1450242 1473633 1482327 1543806 1544823 1618386 1644489 1691949 1702458 1772518 1801107 1886598 1888117 1905849 1986201 2008314 2080782 2114343 2175363 2292318 2305842 2315709 2425626 2427579 2658777 2690982 2706858 2801722 2829897 2947266 2964654 3012471 3089646 3121173 3288978 3383898 3438477 3458763 3602214 3776234 3811698 3947881 3972402 4060287 4202583 4228686 4350726 4420899 4446981 4631418 4634469 4855158 4933467 5075847 5317554 5403321 5659794 5664351 5958603 6024942 6203813 6242346 6526089 6876954 6917526 6947127 7282737 7895762 7976331 8120574 8405166 8489691 8841798 8893962 9268938 9363519 9866934 10151694 10315431 10376289 10806642 11328702 11843643 11917206 12407626 12607749 13052178 13340943 13894254 13903407 14565474 14800401 15227541 15952662 16209963 16979382 16993053 18611439 18727038 19578267 20630862 20752578 21848211 23687286 23928993 25215498 26681886 27806814 29600802 30455082 30946293 31128867 32419926 33986106 35530929 37222878 37823247 39156534 41710221 43426691 43696422 45682623 47857986 48629889 50979159 55834317 61892586 62257734 65544633 71061858 71786979 75646494 83420442 86853382 91365246 93386601 97259778 101958318 106592787 111668634 113469741 130280073 131089266 137047869 143573958 152937477 167502951 186773202 213185574 215360937 226939482 260560146 274095738 305874954 319778361 335005902 340409223 390840219 430721874 458812431 502508853 639556722 680818446 781680438 917624862 959335083 1005017706 1172520657 1507526559 1918670166 2345041314 3015053118 3517561971 7035123942 10552685913 21105371826
• Sum of all divisors σ(n): 65395040256
• Sum of proper divisors (its aliquot sum) s(n): 44289668430
• 21105371826 is an abundant number, because the sum of its proper divisors (44289668430) is greater than itself. Its abundance is 23184296604

Bases of 21105371826

• Binary: 10011101001111110100110101010110010₂
• Hexadecimal: 0x4E9FA6AB2
• Base-36: 9P1LD4I

Squares and roots of 21105371826

• 21105371826 squared (21105371826²) is 445436719913714574276
• 21105371826 cubed (21105371826³) is 9401107598732764726930274747976
• The square root of 21105371826 is 145276.8798742595
• The cube root of 21105371826 is 2763.5309699039

Scales and comparisons

• 21,105,371,826 seconds is equal to 671 years, 4 weeks, 3 days, 3 hours, 17 minutes, 6 seconds.
• To count from 1 to 21,105,371,826 would take you about one thousand, three hundred forty-two 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 21105371826 cubic inches would be around 230.3 feet tall.

Recreational maths with 21105371826

• 21105371826 backwards is 62817350112
• The number of decimal digits it has is: 11
• The sum of 21105371826's digits is 36
• More coming soon!