12128388721722

Names of 12128388721722

• Cardinal: 12128388721722 can be written as Twelve trillion, one hundred twenty-eight billion, three hundred eighty-eight million, seven hundred twenty-one thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 1.2128388721722 × 10¹³

Factors of 12128388721722

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 223

Divisors of 12128388721722

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 31 39 42 49 54 62 63 78 91 93 98 117 126 147 167 169 182 186 189 217 234 273 279 294 334 338 351 378 403 434 441 501 507 546 558 637 651 702 806 819 837 882 961 1002 1014 1169 1183 1209 1274 1302 1323 1503 1519 1521 1638 1674 1911 1922 1953 2171 2197 2338 2366 2418 2457 2646 2821 2883 3006 3038 3042 3507 3549 3627 3822 3906 4342 4394 4509 4557 4563 4914 5177 5239 5642 5733 5766 5859 6513 6591 6727 7014 7098 7254 8183 8281 8463 8649 9018 9114 9126 10354 10478 10521 10647 10881 11466 11718 12493 13026 13182 13454 13671 15197 15379 15531 15717 16366 16562 16926 17199 17298 19539 19747 19773 20181 21042 21294 21762 24549 24843 24986 25389 25947 27342 28223 28561 30394 30758 31062 31434 31563 31941 34398 36239 36673 37479 39078 39494 39546 40362 41013 45591 46137 46593 47089 47151 49098 49686 50778 51894 56446 57122 58617 59241 59319 60543 63126 63882 67301 68107 72478 73346 73647 74529 74958 76167 82026 84669 85683 87451 91182 92274 93186 94178 94302 106379 107653 108717 110019 112437 117234 118482 118638 121086 134602 136214 136773 138411 139779 141267 141453 147294 149058 152334 160487 162409 169338 171366 174902 177723 181629 197561 199927 201903 204321 212758 215306 217434 220038 220941 223587 224874 253673 254007 256711 257049 262353 273546 276822 279558 282534 282906 319137 320974 322959 324818 326151 330057 337311 355446 363258 366899 395122 399854 403806 408642 410319 415233 423801 441882 447174 471107 476749 481461 487227 507346 508014 513422 514098 524706 533169 592683 599781 605709 612157 612963 638274 645918 652302 660114 674622 733798 761019 762021 770133 771147 787059 820638 830466 847602 874913 885391 942214 953498 957411 962922 968877 974454 978453 990171 1066338 1100697 1123409 1136863 1185366 1199562 1211418 1224314 1225926 1271403 1382927 1399489 1413321 1430247 1444383 1461681 1522038 1524042 1540266 1542294 1574118 1749826 1770782 1778049 1799343 1817127 1836471 1838889 1914822 1937754 1956906 1980342 2086331 2111317 2201394 2246818 2273726 2283057 2310399 2361177 2542806 2568293 2624739 2656173 2765854 2798978 2826642 2860494 2872233 2888766 2906631 2923362 3297749 3302091 3337243 3370227 3410589 3556098 3598686 3634254 3672942 3677778 4148781 4172662 4198467 4222634 4239963 4290741 4333149 4385043 4566114 4620798 4722354 4769687 5136586 5249478 5312346 5334147 5398029 5509413 5744466 5813262 6124391 6197737 6258993 6333951 6595498 6604182 6674486 6740454 6821178 6849171 6931197 7704879 7863863 7874217 7958041 7968519 8297562 8396934 8479926 8581482 8666298 8770086 9539374 9893247 9906273 10011729 10110681 10231767 10668294 10796058 11018826 11373869 12248782 12395474 12446343 12517986 12595401 12667902 12719889 12872223 13698342 13862394 14309061 14604317 14779219 15409758 15727726 15748434 15916082 15937038 16528239 17978051 18373173 18593211 18776979 19001853 19786494 19812546 20023458 20221362 20463534 22747738 23114637 23591589 23622651 23874123 23905557 24892686 25190802 25439778 25744446 27122303 27447121 28618122 29208634 29558438 29679741 30035187 30332043 30695301 33056478 33387809 34121607 35956102 36746346 37186422 37339029 37553958 37786203 38003706 42870737 42927183 43384159 43812951 44337657 46229274 47183178 47245302 47748246 47811114 53934153 54244606 54894242 55119519 55779633 56330937 57005559 59359482 60070374 60664086 61390602 66775618 68243214 69343911 70774767 71622369 74678058 75572406 79617083 81366909 82341363 85741474 85854366 86768318 87625902 88675314 89039223 90105561 100163427 102230219 102364821 103454533 107868306 110239038 111559266 112661874 114011118 128612211 128781549 130152477 131438853 133012971 138687822 141549534 143244738 147860297 159234166 161802459 162733818 164682726 165358557 167338899 178078446 180211122 189856121 192129847 200326854 204460438 204729642 206909066 212324301 214867107 233714663 238851249 244100727 247024089 257224422 257563098 260304954 262877706 266025942 295720594 300490281 306690657 307094463 310363599 323604918 330717114 334677798 352589939 379712242 384259694 385836633 390457431 394316559 399038913 424648602 429734214 443580891 467429326 477702498 485407377 488201454 494048178 557319581 569568363 576389541 600980562 613381314 614188926 620727198 701143989 705179878 716553747 732302181 741072267 771673266 780914862 788633118 798077826 887161782 901470843 920071971 931090797 970814754 1035022079 1057769817 1114639162 1139136726 1152779082 1157509899 1171372293 1328992847 1330742673 1344908929 1402287978 1433107494 1464604362 1482144534 1671958743 1708705089 1729168623 1802941686 1840143942 1862181594 2070044158 2103431967 2115539634 2149661241 2315019798 2342744586 2468129573 2657985694 2661485346 2689817858 2760215913 2793272391 3105066237 3173309451 3343917486 3417410178 3458337246 3986978541 3992228019 4034726787 4206863934 4299322482 4583669207 4936259146 5015876229 5126115267 5187505869 5520431826 5586544782 6210132474 6310295901 6346618902 7245154553 7404388719 7973957082 7984456038 8069453574 9167338414 9315198711 9519928353 10031752458 10252230534 10375011738 11960935623 12104180361 12620591802 13751007621 14490309106 14808777438 15047628687 17276907011 18630397422 19039856706 21735463659 22213166157 23921871246 24208360722 27502015242 27945596133 30095257374 32085684449 34553814022 35882806869 36312541083 41253022863 43470927318 44426332314 51830721033 55891192266 64171368898 65206390977 66639498471 71765613738 72625082166 82506045726 96257053347 103661442066 123759068589 130412781954 133278996942 155492163099 192514106694 195619172931 224599791143 247518137178 288771160041 310984326198 391238345862 449199582286 466476489297 577542320082 673799373429 866313480123 932952978594 1347598746858 1732626960246 2021398120287 4042796240574 6064194360861 12128388721722
• Sum of all divisors σ(n): 35306037466560
• Sum of proper divisors (its aliquot sum) s(n): 23177648744838
• 12128388721722 is an abundant number, because the sum of its proper divisors (23177648744838) is greater than itself. Its abundance is 11049260023116

Bases of 12128388721722

• Binary: 10110000011111011100010011010010110000111010₂
• Hexadecimal: 0xB07DC4D2C3A
• Base-36: 4ARPDHYYI

Squares and roots of 12128388721722

• 12128388721722 squared (12128388721722²) is 147097812985193409154645284
• 12128388721722 cubed (12128388721722³) is 1784059455999591704570047648631095659048
• The square root of 12128388721722 is 3482583.6273838421
• The cube root of 12128388721722 is 22975.6444902333

Scales and comparisons

• 12,128,388,721,722 seconds is equal to 385,645 years, 12 weeks, 5 days, 11 hours, 8 minutes, 42 seconds.
• To count from 1 to 12,128,388,721,722 would take you about nine hundred sixty-four thousand, one hundred thirteen 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 12128388721722 cubic inches would be around 1914.6 feet tall.

Recreational maths with 12128388721722

• 12128388721722 backwards is 22712788382121
• 12128388721722 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12128388721722's digits is 54
• More coming soon!