18809978382

Names of 18809978382

• Cardinal: 18809978382 can be written as Eighteen billion, eight hundred nine million, nine hundred seventy-eight thousand, three hundred eighty-two.

Scientific notation

• Scientific notation: 1.8809978382 × 10¹⁰

Factors of 18809978382

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 259

Divisors of 18809978382

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 47 54 67 78 94 117 127 134 141 201 234 254 282 351 381 402 423 603 611 702 762 846 871 1143 1206 1222 1269 1651 1742 1809 1833 2286 2538 2613 3149 3302 3429 3618 3666 4489 4953 5226 5499 5969 6298 6858 7839 8509 8978 9447 9906 10998 11938 13467 14859 15678 16497 17018 17907 18894 23517 25527 26934 28341 29718 32994 35814 40401 40937 44577 47034 51054 53721 56682 58357 76581 77597 80802 81874 85023 89154 107442 110617 116714 121203 122811 153162 155194 161163 170046 175071 210983 221234 229743 232791 242406 245622 322326 331851 350142 368433 399923 421966 459486 465582 525213 570103 632949 663702 698373 736866 799846 995553 1050426 1105299 1140206 1199769 1265898 1396746 1575639 1710309 1898847 1991106 2095119 2210598 2399538 2742779 2986659 3151278 3420618 3599307 3797694 4190238 5130927 5198999 5485558 5696541 5973318 7198614 7411339 8228337 10261854 10397998 10797921 11393082 14822678 15392781 15596997 16456674 21595842 22234017 24685011 26794841 30785562 31193994 44468034 46790991 49370022 53589682 66702051 74055033 80384523 93581982 133404102 140372973 148110066 160769046 200106153 241153569 280745946 348332933 400212306 482307138 696665866 723460707 1044998799 1446921414 2089997598 3134996397 6269992794 9404989191 18809978382
• Sum of all divisors σ(n): 47036989440
• Sum of proper divisors (its aliquot sum) s(n): 28227011058
• 18809978382 is an abundant number, because the sum of its proper divisors (28227011058) is greater than itself. Its abundance is 9417032676

Bases of 18809978382

• Binary: 10001100001001010010111111000001110₂
• Hexadecimal: 0x461297E0E
• Base-36: 8N2Z47I

Squares and roots of 18809978382

• 18809978382 squared (18809978382²) is 353815286731307337924
• 18809978382 cubed (18809978382³) is 6655257894637022468948408758968
• The square root of 18809978382 is 137149.4745961503
• The cube root of 18809978382 is 2659.4761429995

Scales and comparisons

• 18,809,978,382 seconds is equal to 598 years, 5 weeks, 1 day, 1 hour, 59 minutes, 42 seconds.
• To count from 1 to 18,809,978,382 would take you about one thousand, one hundred ninety-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 18809978382 cubic inches would be around 221.6 feet tall.

Recreational maths with 18809978382

• 18809978382 backwards is 28387990881
• The number of decimal digits it has is: 11
• The sum of 18809978382's digits is 63
• More coming soon!