21090707886220

Names of 21090707886220

• Cardinal: 21090707886220 can be written as Twenty-one trillion, ninety billion, seven hundred seven million, eight hundred eighty-six thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.109070788622 × 10¹³

Factors of 21090707886220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 138

Divisors of 21090707886220

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 28 29 34 35 37 41 58 68 70 74 82 85 116 119 140 145 148 164 170 185 203 205 238 259 287 289 290 340 370 406 410 476 493 518 574 578 580 595 629 697 740 812 820 986 1015 1036 1073 1148 1156 1189 1190 1258 1295 1394 1435 1445 1517 1681 1972 2023 2030 2146 2378 2380 2465 2516 2590 2788 2870 2890 3034 3145 3362 3451 3485 4046 4060 4292 4403 4756 4879 4913 4930 5180 5365 5740 5780 5945 6068 6290 6724 6902 6970 7511 7585 8092 8323 8381 8405 8806 9758 9826 9860 10115 10619 10693 10730 11767 11849 11890 12580 13804 13940 15022 15170 16646 16762 16810 17255 17612 18241 19516 19652 20213 20230 21238 21386 21460 22015 23534 23698 23780 24395 24565 25789 28577 30044 30340 33292 33524 33620 34391 34510 36482 37555 40426 40460 41615 41905 42476 42772 43993 44030 47068 47396 48749 48790 49130 51578 53095 53465 57154 58667 58835 59245 62197 68782 69020 72964 74851 75110 80852 82943 83230 83521 83810 87986 88060 91205 97498 97580 98260 101065 103156 106190 106930 114308 117334 117670 118490 124394 127687 128945 137564 141491 142477 142885 149702 150220 165886 166460 167042 167620 171955 175972 180523 181781 182410 194996 200039 201433 202130 212380 213860 219965 234668 235340 236980 243745 248788 255374 257890 282982 284954 285770 293335 299404 307951 310097 310985 331772 334084 341243 343621 343910 361046 363562 364820 374255 400078 402866 404260 414715 417605 435379 438413 439930 485809 487490 510748 515780 565964 569908 571540 584647 586670 615902 620194 621970 638435 682486 687242 687820 707455 712385 722092 727124 747881 748510 800156 805732 828733 829430 835210 870758 876826 879860 902615 908905 971618 974980 997339 1000195 1007165 1057349 1169294 1173340 1231804 1240388 1243940 1272467 1276870 1364972 1374484 1410031 1414910 1424770 1495762 1497020 1539755 1550485 1657466 1658860 1670420 1706215 1718105 1741516 1753652 1803713 1805230 1817810 1943236 1994678 2000390 2014330 2114698 2170679 2176895 2192065 2338588 2405347 2422109 2429045 2544934 2553740 2820062 2829820 2849540 2923235 2991524 3068891 3079510 3090277 3100970 3314932 3400663 3412430 3424361 3436210 3607426 3610460 3635620 3739405 3989356 4000780 4028660 4143665 4229396 4341358 4353790 4384130 4810694 4844218 4858090 4986695 5089868 5235167 5271649 5286745 5640124 5801131 5841557 5846470 6137782 6159020 6180554 6201940 6362335 6801326 6824860 6848722 6872420 7050155 7214852 7401443 7453021 7478810 8258753 8287330 8682716 8707580 8768260 9018565 9621388 9688436 9716180 9973390 10470334 10543298 10573490 10853395 11602262 11683114 11692940 12026735 12110545 12275564 12361108 12625991 12713977 12724670 13602652 13697444 14088461 14100310 14802886 14906042 14957620 15344455 15451385 16517506 16574660 16954763 17003315 17121805 17974933 18037130 19946780 20940668 21086596 21146980 21631939 21706790 23204524 23366228 23970527 24053470 24221090 25251982 25427954 25449340 26175835 26358245 28176922 28200620 29005655 29207785 29605772 29812084 30663121 30688910 30902770 33035012 33909526 34006630 34243610 35949866 36074260 36901543 37007215 37265105 40890899 41293765 43263878 43413580 47941054 48106940 48442180 50503964 50855908 52171147 52351670 52716490 56353844 57811271 58011310 58415570 61326242 61377820 61805540 63129955 63569885 67819052 68013260 68487220 70442305 71899732 73803086 74014430 74530210 81781798 82587530 84773815 86527756 88997839 89618033 89874665 95882108 98619227 99306469 104342294 104703340 105432980 108159695 115622542 116022620 116831140 119852635 122652484 125824531 126259910 126701357 127139770 140398801 140884610 147606172 148028860 149060420 153315605 163563596 165175060 169547630 177995678 179236066 179749330 184507715 197238454 198612938 204454495 208684588 214641847 216137609 216319390 231245084 239503837 239705270 251649062 252519820 253402714 254279540 260855735 280797602 281769220 289056355 305573861 306631210 339095260 355991356 358472132 359498660 369015430 394476908 397225876 408908990 429283694 432275218 432638780 444989195 448090165 479007674 479410540 493096135 496532345 503298124 506805428 521273057 521711470 561595204 578112710 611147722 613262420 627326231 629122655 633506785 695145283 701994005 738030860 817817980 858567388 864550436 886909499 889978390 896180330 958015348 982791607 986192270 993064690 1042546114 1043422940 1073209235 1080688045 1156225420 1197519185 1222295444 1254652462 1258245310 1267013570 1390290566 1403988010 1512963263 1527869305 1676526859 1773818998 1779956780 1792360660 1965583214 1972384540 1986129380 2085092228 2139017027 2146418470 2161376090 2395038370 2509304924 2516490620 2534027140 2606365285 2780581132 2807976020 3025926526 3055738610 3136631155 3353053718 3475726415 3547637996 3648911399 3674339353 3931166428 4071565229 4278034054 4292836940 4322752180 4434547495 4790076740 4913958035 5194755637 5212730570 6051853052 6111477220 6273262310 6706107436 6951452830 7297822798 7348678706 7564816315 8143130458 8382634295 8556068108 8861641969 8869094990 9827916070 10389511274 10425461140 10695085135 12546524620 13902905660 14595645596 14697357412 15129632630 16286260916 16765268590 17723283938 17738189980 18244556995 18371696765 19655832140 20357826145 20779022548 21390170270 25720375471 25973778185 28500956603 30259265260 33530537180 35446567876 36363289459 36489113990 36743393530 40715652290 42780340540 44308209845 51440750942 51947556370 57001913206 62031493783 72726578918 72978227980 73486787060 81431304580 88616419690 102881501884 103895112740 114003826412 124062987566 128601877355 142504783015 145453157836 150647913473 177232839380 181816447295 248125975132 257203754710 285009566030 301295826946 310157468915 363632894590 514407509420 570019132060 602591653892 620314937830 727265789180 753239567365 1054535394311 1240629875660 1506479134730 2109070788622 3012958269460 4218141577244 5272676971555 10545353943110 21090707886220
• Sum of all divisors σ(n): 58567100598720
• Sum of proper divisors (its aliquot sum) s(n): 37476392712500
• 21090707886220 is an abundant number, because the sum of its proper divisors (37476392712500) is greater than itself. Its abundance is 16385684826280

Bases of 21090707886220

• Binary: 100110010111010010000001001101101000010001100₂
• Hexadecimal: 0x132E9026D08C
• Base-36: 7H4XQXGNG

Squares and roots of 21090707886220

• 21090707886220 squared (21090707886220²) is 444817959141862500465888400
• 21090707886220 cubed (21090707886220³) is 9381525638805565182314800901978417848000
• The square root of 21090707886220 is 4592462.0723768639
• The cube root of 21090707886220 is 27628.9079101089

Scales and comparisons

• 21,090,707,886,220 seconds is equal to 670,619 years, 14 weeks, 1 day, 8 hours, 23 minutes, 40 seconds.
• To count from 1 to 21,090,707,886,220 would take you about one million, six hundred seventy-six thousand, five hundred forty-eight 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 21090707886220 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21090707886220

• 21090707886220 backwards is 02268870709012
• The number of decimal digits it has is: 14
• The sum of 21090707886220's digits is 52
• More coming soon!