128720405111116

Names of 128720405111116

• Cardinal: 128720405111116 can be written as One hundred twenty-eight trillion, seven hundred twenty billion, four hundred five million, one hundred eleven thousand, one hundred sixteen.

Scientific notation

• Scientific notation: 1.28720405111116 × 10¹⁴

Factors of 128720405111116

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 105

Divisors of 128720405111116

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 7 13 14 17 26 28 29 34 37 49 52 58 68 74 91 98 116 119 148 182 196 203 221 238 259 289 343 364 377 406 442 476 481 493 518 578 629 637 686 754 812 833 884 962 986 1036 1073 1156 1258 1274 1369 1372 1421 1508 1547 1666 1813 1924 1972 2023 2146 2516 2548 2639 2738 2842 3094 3332 3367 3451 3626 3757 4046 4292 4403 4459 4913 5278 5476 5684 5831 6188 6409 6734 6902 7252 7511 7514 8092 8177 8381 8806 8918 9583 9826 9947 10556 10693 10829 11662 12691 12818 13468 13804 13949 14161 15022 15028 16354 16762 17612 17797 17836 18241 18473 19166 19652 19894 21386 21658 23273 23324 23569 24157 25382 25636 26299 27898 28322 30044 30821 32708 33524 34391 35594 36482 36946 38332 39701 39788 42772 43316 44863 46546 47138 48314 50653 50764 52577 52598 55796 56644 57239 58667 61642 63869 67081 68782 71188 72964 73892 74851 75803 79402 89726 93092 94276 96628 97643 99127 101306 105154 105196 108953 114478 117334 123284 124579 127687 127738 129311 134162 137564 139009 142477 149702 151606 158804 162911 164983 169099 179452 181781 184093 195286 198254 202612 210308 215747 217906 228956 234668 237133 240737 249158 255374 255476 258622 268324 277907 278018 284954 299404 302549 303212 310097 314041 325822 329966 338198 354571 363562 368039 368186 390572 395641 396508 400673 410669 431494 435812 447083 469567 474266 481474 498316 510748 516113 517244 523957 555814 556036 569908 605098 620194 628082 651644 658489 659932 674917 676396 683501 709142 727124 736078 736372 762671 791282 801346 821338 861101 862988 872053 893809 894166 939134 948532 962948 973063 997339 1032226 1047914 1111628 1140377 1210196 1240388 1256164 1272467 1288651 1316978 1349834 1367002 1418284 1468937 1472156 1525342 1582564 1602692 1642676 1659931 1685159 1722202 1744106 1787618 1788332 1852201 1878268 1945349 1946126 1994678 2064452 2095828 2117843 2170679 2198287 2280754 2363153 2481997 2544934 2577302 2633956 2699668 2734004 2769487 2804711 2874683 2937874 3050684 3129581 3319862 3370318 3444404 3488212 3575236 3612791 3667699 3704402 3890698 3892252 3989356 4031261 4235686 4341358 4396574 4561508 4609423 4724419 4726306 4784507 4963994 5089868 5143333 5154604 5271649 5338697 5538974 5609422 5749366 5875748 6027707 6104371 6256663 6259162 6639724 6725897 6740636 6811441 6981373 7225582 7335398 7408804 7781396 7982639 8062522 8471372 8682716 8773921 8793148 8907269 9218846 9448838 9452612 9569014 9927988 10282559 10286666 10543298 10677394 11077948 11194313 11218844 11473589 11498732 11619517 12055414 12208742 12513326 12518324 12965407 13451794 13617443 13622882 13962746 14451164 14638717 14670796 14824901 15194753 15965278 16125044 16542071 17373979 17547842 17814538 18437692 18897676 19096181 19138028 19386409 20565118 20573332 21086596 21354788 21907067 22388626 22947178 23239034 24110828 24417484 24971929 25026652 25289537 25930814 26903588 27234886 27245764 27925492 28218827 29277434 29649802 30389506 31930556 32265961 33070933 33084142 34747958 35095684 35629076 36003331 36901543 37370879 38192362 38772818 41130236 42193949 43814134 44777252 45894356 46478068 47081279 47680087 48869611 49943858 50579074 51861628 54469772 56437654 58554868 59299604 60779012 61417447 62350883 64531922 66141866 66168284 68531437 69495916 71977913 72006662 73803086 74741758 76384724 77545636 78360191 80315123 81336619 84387898 87436661 87628268 90757849 94162558 95360174 97739222 99887716 101158148 102471019 103774307 106363271 112875308 115794497 122834894 124701766 129063844 132283732 133673267 135704863 137062874 143955826 144013324 147606172 149156657 149483516 156720382 160630246 162673238 168775796 174803503 174873322 177026759 181515698 188325116 190303321 190720348 195051013 195478444 197531789 204942038 207548614 212726542 225861727 231496531 231588994 245669788 248858189 249403532 252023317 258310801 267346534 271409726 274125748 287911652 295357643 298313314 313440764 321260492 324635077 325346476 329568953 349607006 349746644 354053518 363031396 380606642 390102026 395063578 409884076 415097228 424522793 425453084 429922129 451723454 462993062 463177988 479720059 497716378 503845391 504046634 516621602 534693068 542819452 548521337 562205861 590715286 596626628 612056627 635304943 649270154 659137906 699214012 708107036 717297133 761213284 780204052 790127156 810561479 849045586 859844258 903446908 925986124 935712869 959440118 995432756 1007690782 1008093268 1033243204 1044096599 1097042674 1124411722 1181430572 1223624521 1224113254 1270609886 1298540308 1318275812 1332123247 1365357091 1382722523 1434594266 1621122958 1698091172 1719688516 1742007323 1764163219 1808175607 1871425738 1918880236 2015381564 2088193198 2194085348 2248823444 2272445539 2306982671 2447249042 2448226508 2535663169 2541219772 2664246494 2730714182 2765445046 2869188532 2971659551 3009454903 3235156457 3242245916 3358040413 3484014646 3528326438 3616351214 3742851476 3839649359 3935441027 4176386396 4284396389 4544891078 4613965342 4894498084 5021079931 5071326338 5328492988 5461428364 5518796309 5530890092 5943319102 6018909806 6470312914 6549990083 6716080826 6968029292 7056652876 7216887481 7232702428 7308676193 7679298718 7870882054 8565371647 8568792778 9089782156 9227930684 9324862729 9557499637 10042159862 10142652676 11037592618 11886638204 12037819612 12194051261 12940625828 13099980166 13432161652 14433774962 14617352386 15358597436 15741764108 15907118773 17130743294 17137585556 17749642183 18649725458 19114999274 20084319724 20801616857 22075185236 22646095199 23506282891 24388102522 26199960332 28867549924 29234704772 29990774723 31814237546 34261486588 35499284366 37299450916 38229998548 38631574163 41603233714 45292190398 47012565782 48776205044 50518212367 51160733351 59981549446 63628475092 65274039103 66902497459 70998568732 77263148326 83206467428 85358358827 90584380796 93819537253 94025131564 101036424734 102321466702 111349831411 119963098892 124247495281 130548078206 133804994918 145611317999 154526296652 158522666393 170716717654 187639074506 202072849468 204642933404 222699662822 248494990562 261096156412 267609989836 270421019141 291222635998 317045332786 341433435308 353627486569 375278149012 445399325644 496989981124 540842038282 582445271996 634090665572 656736760771 707254973138 869732466967 1081684076564 1109658664751 1313473521542 1414509946276 1739464933934 1892947133987 2219317329502 2475392405983 2626947043084 3478929867868 3785894267974 4438634659004 4597157325397 4950784811966 7571788535948 9194314650794 9901569623932 18388629301588 32180101277779 64360202555558 128720405111116
• Sum of all divisors σ(n): 319581763200000
• Sum of proper divisors (its aliquot sum) s(n): 190861358088884
• 128720405111116 is an abundant number, because the sum of its proper divisors (190861358088884) is greater than itself. Its abundance is 62140952977768

Bases of 128720405111116

• Binary: 11101010001001000001110000001011010000101001100₂
• Hexadecimal: 0x75120E05A14C
• Base-36: 19MLC5QO24

Squares and roots of 128720405111116

• 128720405111116 squared (128720405111116²) is 16568942691969818056306765456
• 128720405111116 cubed (128720405111116³) is 2132761015573219864145037956880912230408896
• The square root of 128720405111116 is 11345501.5363410003
• The cube root of 128720405111116 is 50491.2124187463

Scales and comparisons

• 128,720,405,111,116 seconds is equal to 4,092,910 years, 37 weeks, 4 days, 14 hours, 25 minutes, 16 seconds.
• To count from 1 to 128,720,405,111,116 would take you about ten million, two hundred thirty-two thousand, two hundred seventy-six 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 128720405111116 cubic inches would be around 4207.6 feet tall.

Recreational maths with 128720405111116

• 128720405111116 backwards is 611111504027821
• The number of decimal digits it has is: 15
• The sum of 128720405111116's digits is 40
• More coming soon!