138380093901

Names of 138380093901

• Cardinal: 138380093901 can be written as One hundred thirty-eight billion, three hundred eighty million, ninety-three thousand, nine hundred one.

Scientific notation

• Scientific notation: 1.38380093901 × 10¹¹

Factors of 138380093901

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 334

Divisors of 138380093901

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 83 147 189 241 243 249 343 441 567 581 723 747 1029 1323 1687 1701 1743 2169 2241 3087 3969 4067 5061 5229 6507 6723 6889 9261 11809 11907 12201 15183 15687 19521 20003 20169 20667 27783 28469 35427 36603 45549 47061 48223 58563 60009 62001 82663 83349 85407 106281 109809 136647 140021 141183 144669 180027 186003 247989 256221 318843 329427 337561 409941 420063 434007 540081 558009 743967 768663 956529 980147 988281 1012683 1260189 1302021 1620243 1660249 1674027 2231901 2305989 2362927 2869587 2940441 3038049 3780567 3906063 4860729 4980747 6695703 6861029 6917967 7088781 8821323 9114147 11341701 11621743 11718189 14942241 20087109 20583087 21266343 26463969 27342441 34025103 34865229 44826723 61749261 63799029 79391907 81352201 82027323 104595687 134480169 185247783 191397087 238175721 244056603 313787061 403440507 555743349 569465407 574191261 732169809 941361183 1667230047 1708396221 2196509427 2824083549 5125188663 6589528281 15375565989 19768584843 46126697967 138380093901
• Sum of all divisors σ(n): 245695049600
• Sum of proper divisors (its aliquot sum) s(n): 107314955699
• 138380093901 is a deficient number, because the sum of its proper divisors (107314955699) is less than itself. Its deficiency is 31065138202

Bases of 138380093901

• Binary: 10000000111000000110001010100111001101₂
• Hexadecimal: 0x203818A9CD
• Base-36: 1RKJXNT9

Squares and roots of 138380093901

• 138380093901 squared (138380093901²) is 19149050388049577397801
• 138380093901 cubed (138380093901³) is 2649847390813281008551069610911701
• The square root of 138380093901 is 371994.7498298867
• The cube root of 138380093901 is 5172.3893281865

Scales and comparisons

• 138,380,093,901 seconds is equal to 4,400 years, 3 weeks, 10 hours, 58 minutes, 21 seconds.
• To count from 1 to 138,380,093,901 would take you about eight thousand, eight hundred 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 138380093901 cubic inches would be around 431 feet tall.

Recreational maths with 138380093901

• 138380093901 backwards is 109390083831
• The number of decimal digits it has is: 12
• The sum of 138380093901's digits is 45
• More coming soon!