81429315392106

Names of 81429315392106

• Cardinal: 81429315392106 can be written as Eighty-one trillion, four hundred twenty-nine billion, three hundred fifteen million, three hundred ninety-two thousand, one hundred six.

Scientific notation

• Scientific notation: 8.1429315392106 × 10¹³

Factors of 81429315392106

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5370

Divisors of 81429315392106

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 29 33 54 58 66 71 81 87 99 142 162 174 198 213 243 261 297 319 426 486 521 522 594 638 639 729 781 783 891 957 1042 1278 1458 1562 1563 1566 1782 1914 1917 2059 2343 2349 2673 2871 3126 3834 4118 4686 4689 4698 4733 5346 5731 5742 5751 6177 7029 7047 8019 8613 9378 9466 11462 11502 12354 14058 14067 14094 14199 15109 16038 17193 17226 17253 18531 21087 21141 22649 25839 28134 28398 30218 34386 34506 36991 37062 42174 42201 42282 42597 45298 45327 51579 51678 51759 52063 55593 63261 67947 73982 77517 84402 85194 90654 103158 103518 104126 110973 111186 126522 126603 127791 135894 135981 137257 154737 155034 156189 166199 166779 189783 203841 221946 232551 253206 255582 271962 274514 309474 312378 332398 332919 333558 336043 379566 379809 383373 406901 407682 407943 411771 464211 465102 468567 498597 500337 569349 611523 665838 672086 759618 766746 813802 815886 823542 928422 937134 997194 998757 1000674 1008129 1072739 1138698 1150119 1220703 1223046 1223829 1235313 1392633 1405701 1495791 1501011 1509827 1834569 1997514 2016258 2145478 2300238 2441406 2447658 2465893 2470626 2785266 2811402 2991582 2996271 3002022 3019654 3024387 3218217 3450357 3662109 3669138 3671487 3696473 3705939 4177899 4217103 4487373 4529481 4931786 5503707 5992542 6048774 6436434 6900714 7324218 7342974 7392946 7397679 7411878 8355798 8434206 8974746 8988813 9058962 9073161 9654651 9745247 10986327 11007414 11014461 11089419 11117817 11800129 12651309 13462119 13588443 14795358 16511121 17977626 18146322 19309302 19490494 21972654 22028922 22178838 22193037 22235634 23600258 25302618 26924238 26966439 27124823 27176886 27219483 28963953 29235741 32958981 33022242 33268257 33353451 35400387 37953927 40386357 40765329 44386074 53932878 54249646 54438966 57927906 58471482 65917962 66536514 66579111 66706902 70800774 71510897 75907854 80772714 81374469 81530658 81658449 86891859 87707223 98876943 99804771 100060353 106201161 107197717 121159071 122295987 133158222 143021794 162748938 163316898 173783718 175078403 175414446 197753886 199609542 199737333 200120706 212402322 214395434 214532691 242318142 244123407 244591974 244975347 260675577 263121669 296630829 299414313 318603483 321593151 350156806 366887961 399474666 429065382 488246814 489950694 521351154 525235209 526243338 593261658 598828626 599211999 637206966 643186302 643598073 732370221 733775922 782026731 786619867 789365007 898242939 955810449 964779453 1050470418 1100663883 1198423998 1287196146 1464740442 1564053462 1573239734 1575705627 1578730014 1796485878 1797635997 1911620898 1925862433 1929558906 1930794219 2197110663 2201327766 2359859601 2368095021 2694728817 2867431347 2894338359 3151411254 3595271994 3851724866 3861588438 4394221326 4719719202 4727116881 4736190042 5077273687 5389457634 5734862694 5777587299 5788676718 5792382657 6591331989 7079578803 7104285063 8602294041 8683015077 9454233762 10154547374 11555174598 11584765314 13182663978 14159157606 14181350643 14208570126 15231821061 17204588082 17332761897 17366030154 17377147971 19773995967 21238736409 26049045231 28362701286 30463642122 34665523794 34754295942 39547991934 42477472818 42544051929 45695463183 51998285691 52098090462 52131443913 55850010557 63716209227 78147135693 85088103858 91390926366 103996571382 104262887826 111700021114 127432418454 127632155787 137086389549 155994857073 156294271386 167550031671 191148627681 255264311574 274172779098 311989714146 335100063342 382297255362 411259168647 467984571219 502650095013 573445883043 822518337294 935969142438 1005300190026 1146891766086 1233777505941 1403953713657 1507950285039 2467555011882 2807907427314 3015900570078 3701332517823 4523850855117 7402665035646 9047701710234 13571552565351 27143105130702 40714657696053 81429315392106
• Sum of all divisors σ(n): 210027020048640
• Sum of proper divisors (its aliquot sum) s(n): 128597704656534
• 81429315392106 is an abundant number, because the sum of its proper divisors (128597704656534) is greater than itself. Its abundance is 47168389264428

Bases of 81429315392106

• Binary: 10010100000111100111101011010110001001001101010₂
• Hexadecimal: 0x4A0F3D6B126A
• Base-36: SV43ZXWMI

Squares and roots of 81429315392106

• 81429315392106 squared (81429315392106²) is 6630733405227071128527115236
• 81429315392106 cubed (81429315392106³) is 539936081735208174042205904515796386727016
• The square root of 81429315392106 is 9023819.3350768055
• The cube root of 81429315392106 is 43343.7944210477

Scales and comparisons

• 81,429,315,392,106 seconds is equal to 2,589,200 years, 18 weeks, 2 days, 3 hours, 35 minutes, 6 seconds.
• To count from 1 to 81,429,315,392,106 would take you about six million, four hundred seventy-three thousand 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 81429315392106 cubic inches would be around 3612 feet tall.

Recreational maths with 81429315392106

• 81429315392106 backwards is 60129351392418
• 81429315392106 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81429315392106's digits is 54
• More coming soon!