128312564695120890

Names of 128312564695120890

• Cardinal: 128312564695120890 can be written as One hundred twenty-eight quadrillion, three hundred twelve trillion, five hundred sixty-four billion, six hundred ninety-five million, one hundred twenty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.2831256469512089 × 10¹⁷

Factors of 128312564695120890

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 548279303

Divisors of 128312564695120890

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 23 30 31 35 42 45 46 62 63 69 70 90 93 105 115 126 138 155 161 186 207 210 217 230 279 310 315 322 345 414 434 465 483 521 558 630 651 690 713 805 930 966 1035 1042 1085 1302 1395 1426 1449 1563 1610 1953 2070 2139 2170 2415 2605 2790 2898 3126 3255 3565 3647 3906 4278 4689 4830 4991 5210 6417 6510 7130 7245 7294 7815 9378 9765 9982 10695 10941 11983 12834 14490 14973 15630 16151 18235 19530 21390 21882 23445 23966 24955 29946 32085 32302 32823 35949 36470 44919 46890 48453 49910 54705 59915 64170 65646 71898 74865 80755 83881 89838 96906 107847 109410 113057 119830 145359 149730 161510 164115 167762 179745 215694 224595 226114 242265 251643 290718 328230 339171 359490 371473 419405 449190 484530 503286 539235 565285 678342 726795 742946 754929 838810 1017513 1078470 1114419 1130570 1258215 1453590 1509858 1695855 1857365 2035026 2228838 2516430 2600311 3343257 3391710 3714730 3774645 5087565 5200622 5572095 6686514 7549290 7800933 10175130 11144190 13001555 15601866 16716285 23402799 26003110 33432570 39004665 46805598 78009330 117013995 234027990 548278711 1096557422 1644836133 2741393555 3289672266 3837950977 4934508399 5482787110 7675901954 8224180665 9869016798 11513852931 12610410353 16448361330 16996640041 19189754885 23027705862 24672541995 25220820706 33993280082 34541558793 37831231059 38379509770 49345083990 50989920123 57569264655 63052051765 69083117586 75662462118 84983200205 88272872471 101979840246 113493693177 115138529310 118976480287 126104103530 152969760369 169966400410 172707793965 176545744942 189156155295 226987386354 237952960574 254949600615 264818617413 285653208431 305939520738 345415587930 356929440861 378312310590 390922720943 441364362355 509899201230 529637234826 567468465885 571306416862 594882401435 713858881722 764848801845 781845441886 794455852239 856959625293 882728724710 1070788322583 1134936931770 1172768162829 1189764802870 1324093087065 1428266042155 1529697603690 1588911704478 1713919250586 1784647204305 1954613604715 1999572459017 2141576645166 2345536325658 2570878875879 2648186174130 2736459046601 2856532084310 3518304488487 3569294408610 3909227209430 3972279261195 3999144918034 4284798126465 5141757751758 5353941612915 5472918093202 5863840814145 5998717377051 6570023793913 7036608976974 7944558522390 8209377139803 8569596252930 8855249461361 9997862295085 10707883225830 11727681628290 11997434754102 12854394379395 13140047587826 13682295233005 16418754279606 17591522442435 17710498922722 17996152131153 19710071381739 19995724590170 24628131419409 25708788758790 26565748384083 27364590466010 29993586885255 32850118969565 35183044884870 35992304262306 39420142763478 41046885699015 44276247306805 45990166557391 49256262838818 53131496768166 59130214145217 59987173770510 61986746229527 65700237939130 79697245152249 82093771398030 88552494613610 89980760655765 91980333114782 98550356908695 118260428290434 123140657097045 123973492459054 132828741920415 137970499672173 159394490304498 179961521311530 185960238688581 197100713817390 203670737611303 229950832786955 246281314194090 265657483840830 275940999344346 295651070726085 309933731147635 371920477377162 398486225761245 407341475222606 413911499016519 459901665573910 557880716065743 591302141452170 611012212833909 619867462295270 689852498360865 796972451522490 827822998033038 929801193442905 1018353688056515 1115761432131486 1222024425667818 1379704996721730 1425695163279121 1833036638501727 1859602386885810 2036707376113030 2069557495082595 2789403580328715 2851390326558242 3055061064169545 3666073277003454 4139114990165190 4277085489837363 5578807160657430 6110122128339090 7128475816395605 8554170979674726 9165183192508635 12831256469512089 14256951632791210 18330366385017270 21385427449186815 25662512939024178 42770854898373630 64156282347560445 128312564695120890
• Sum of all divisors σ(n): 411470734008582144
• Sum of proper divisors (its aliquot sum) s(n): 283158169313461254
• 128312564695120890 is an abundant number, because the sum of its proper divisors (283158169313461254) is greater than itself. Its abundance is 154845604618340364

Bases of 128312564695120890

• Binary: 111000111110110111001100100000110110111110011101111111010₂
• Hexadecimal: 0x1C7DB9906DF3BFA
• Base-36: Z3F0AGN8A2I

Squares and roots of 128312564695120890

• 128312564695120890 squared (128312564695120890²) is 16464114258639583854916971714392100
• 128312564695120890 cubed (128312564695120890³) is 2112552725959553912844638366248642306557462360969000
• The square root of 128312564695120890 is 358207432.4956433535
• The cube root of 128312564695120890 is 504378.3019640085

Scales and comparisons

• 128,312,564,695,120,890 seconds is equal to 4,079,942,660 years, 25 weeks, 18 hours, 1 minute, 30 seconds.
• To count from 1 to 128,312,564,695,120,890 would take you about twelve billion, two hundred thirty-nine million, eight hundred twenty-seven thousand, nine hundred eighty-one 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 128312564695120890 cubic inches would be around 42031.5 feet tall.

Recreational maths with 128312564695120890

• 128312564695120890 backwards is 098021596465213821
• The number of decimal digits it has is: 18
• The sum of 128312564695120890's digits is 72
• More coming soon!