21339159849

Names of 21339159849

• Cardinal: 21339159849 can be written as Twenty-one billion, three hundred thirty-nine million, one hundred fifty-nine thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 2.1339159849 × 10¹⁰

Factors of 21339159849

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1388

Divisors of 21339159849

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 17 21 51 63 89 119 153 211 267 357 623 633 801 1061 1071 1477 1513 1869 1899 3183 3587 4431 4539 5607 7427 9549 10591 10761 13293 13617 18037 18779 22281 25109 31773 32283 54111 56337 66843 75327 94429 95319 126259 131453 162333 169011 223871 225981 283287 319243 378777 394359 661003 671613 849861 957729 1136331 1183077 1567097 1605293 1983009 2014839 2234701 2873187 3805807 4701291 4815879 5949027 6704103 11237051 11417421 14103873 14447637 19924519 20112309 26640649 33711153 34252263 59773557 79921947 101133459 139471633 179320671 239765841 338716823 418414899 1016150469 1255244697 2371017761 3048451407 7113053283 21339159849
• Sum of all divisors σ(n): 37932261120
• Sum of proper divisors (its aliquot sum) s(n): 16593101271
• 21339159849 is a deficient number, because the sum of its proper divisors (16593101271) is less than itself. Its deficiency is 4746058578

Bases of 21339159849

• Binary: 10011110111111010011011110100101001₂
• Hexadecimal: 0x4F7E9BD29
• Base-36: 9SWS949

Squares and roots of 21339159849

• 21339159849 squared (21339159849²) is 455359743061173702801
• 21339159849 cubed (21339159849³) is 9716994345981954229625758037049
• The square root of 21339159849 is 146079.2930192367
• The cube root of 21339159849 is 2773.6975669397

Scales and comparisons

• 21,339,159,849 seconds is equal to 678 years, 27 weeks, 24 minutes, 9 seconds.
• To count from 1 to 21,339,159,849 would take you about one thousand, three hundred fifty-seven 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 21339159849 cubic inches would be around 231.1 feet tall.

Recreational maths with 21339159849

• 21339159849 backwards is 94895193312
• The number of decimal digits it has is: 11
• The sum of 21339159849's digits is 54
• More coming soon!