128629805985912

Names of 128629805985912

• Cardinal: 128629805985912 can be written as One hundred twenty-eight trillion, six hundred twenty-nine billion, eight hundred five million, nine hundred eighty-five thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.28629805985912 × 10¹⁴

Factors of 128629805985912

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8187

Divisors of 128629805985912

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 67 77 84 88 132 134 154 163 168 201 231 264 268 308 326 402 462 469 489 536 616 652 737 804 907 924 938 978 1141 1304 1407 1474 1608 1793 1814 1848 1876 1956 2211 2282 2721 2814 2948 3423 3586 3628 3752 3912 4422 4564 5159 5379 5442 5628 5896 6349 6846 7027 7172 7256 8844 9128 9977 10318 10758 10884 10921 11256 12551 12698 13692 14054 14344 15477 17688 19047 19954 20636 21081 21516 21768 21842 25102 25396 27384 28108 29931 30954 32763 37653 38094 39908 41272 42162 43032 43684 49189 50204 50792 56216 59862 60769 61908 65526 69839 75306 76188 76447 77297 79816 84324 87368 98378 100408 119724 120131 121538 123816 131052 139678 147567 147841 150612 152376 152894 154594 168648 182307 196756 209517 229341 231891 239448 240262 243076 262104 279356 295134 295682 301224 305788 309188 360393 364614 393512 419034 425383 443523 458682 463782 470809 480524 486152 541079 558712 590268 591364 611576 618376 668459 720786 729228 838068 840917 850766 887046 917364 927564 941618 961048 1034887 1082158 1145401 1180536 1182728 1276149 1336918 1412427 1441572 1458456 1623237 1626251 1676136 1681834 1701532 1774092 1834728 1855128 1883236 2005377 2069774 2164316 2290802 2522751 2552298 2673836 2824854 2883144 3104661 3246474 3252502 3295663 3363668 3403064 3436203 3548184 3766472 4010754 4139548 4328632 4581604 4679213 4878753 5045502 5104596 5178899 5347672 5649708 6209322 6373489 6492948 6505004 6591326 6727336 6872406 8017807 8021508 8279096 9163208 9358426 9757506 9886989 9905347 10091004 10209192 10357798 11299416 11383757 12418644 12599411 12746978 12985896 13010008 13182652 13744812 14037639 15536697 16035614 16043016 18716852 19120467 19515012 19773978 19810694 20182008 20715596 22767514 24053421 24837288 25198822 25493956 26365304 27489624 28075278 29716041 31073394 32071228 34151271 36252293 37433704 37798233 38240934 39030024 39547956 39621388 41431192 44614423 45535028 48106842 50397644 50987912 56150556 59432082 62146788 64142456 68302542 69337429 70108379 72504586 75596466 76481868 76741867 79095912 79242776 88195877 89228846 91070056 96213684 100795288 108756879 108958817 112301112 118864164 124293576 133843269 136605084 138674858 140216758 145009172 151192932 152963736 153483734 176391754 178457692 192427368 208012287 210325137 217513758 217917634 230225601 237728328 264587631 267686538 273210168 277349716 280433516 290018344 302385864 306967468 326876451 352783508 356915384 416024574 420650274 427023763 435027516 435835268 460451202 490758653 529175262 535373076 537193069 554699432 560867032 613934936 653752902 705567016 762711719 832049148 841300548 844160537 854047526 870055032 871670536 920902404 981517306 1038878707 1058350524 1070746152 1074386138 1281071289 1307505804 1472275959 1525423438 1611579207 1664098296 1682601096 1688321074 1708095052 1841804808 1963034612 2077757414 2116701048 2148772276 2288135157 2532481611 2562142578 2615011608 2944551918 2989166341 3050846876 3116636121 3223158414 3376642148 3416190104 3926069224 4155514828 4297544552 4576270314 4697261393 5064963222 5124285156 5889103836 5909123759 5978332682 6101693752 6233272242 6446316828 6753284296 7272150949 8311029656 8967499023 9152540628 9394522786 10129926444 10248570312 11427665777 11778207672 11818247518 11956665364 12466544484 12892633656 14091784179 14544301898 17727371277 17934998046 18305081256 18789045572 20259852888 21816452847 22855331554 23636495036 23913330728 24933088968 28183568358 29088603796 32880829751 34282997331 35454742554 35869996092 37578091144 43632905694 45710663108 47272990072 56367136716 58177207592 65761659502 68565994662 69604873369 70909485108 71739992184 79993660439 87265811388 91421326216 98642489253 112734273432 131523319004 137131989324 139209746738 141818970216 159987320878 174531622776 197284978506 208814620107 239980981317 263046638008 274263978648 278419493476 319974641756 394569957012 417629240214 479961962634 487234113583 556838986952 639949283512 765653607059 789139914024 835258480428 959923925268 974468227166 1461702340749 1531307214118 1670516960856 1919847850536 1948936454332 2296960821177 2923404681498 3062614428236 3897872908664 4593921642354 5359575249413 5846809362996 6125228856472 9187843284708 10719150498826 11693618725992 16078725748239 18375686569416 21438300997652 32157451496478 42876601995304 64314902992956 128629805985912
• Sum of all divisors σ(n): 409914088980480
• Sum of proper divisors (its aliquot sum) s(n): 281284282994568
• 128629805985912 is an abundant number, because the sum of its proper divisors (281284282994568) is greater than itself. Its abundance is 152654477008656

Bases of 128629805985912

• Binary: 11101001111110011110101111001001011000001111000₂
• Hexadecimal: 0x74FCF5E4B078
• Base-36: 19LFPTCZNC

Squares and roots of 128629805985912

• 128629805985912 squared (128629805985912²) is 16545626987973362586342471744
• 128629805985912 cubed (128629805985912³) is 2128260789378283169642321657874808922070528
• The square root of 128629805985912 is 11341508.1001563457
• The cube root of 128629805985912 is 50479.3636541641

Scales and comparisons

• 128,629,805,985,912 seconds is equal to 4,090,029 years, 49 weeks, 3 days, 14 hours, 45 minutes, 12 seconds.
• To count from 1 to 128,629,805,985,912 would take you about ten million, two hundred twenty-five thousand and seventy-four 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 128629805985912 cubic inches would be around 4206.6 feet tall.

Recreational maths with 128629805985912

• 128629805985912 backwards is 219589508926821
• The number of decimal digits it has is: 15
• The sum of 128629805985912's digits is 75
• More coming soon!