136805209128

Names of 136805209128

• Cardinal: 136805209128 can be written as One hundred thirty-six billion, eight hundred five million, two hundred nine thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.36805209128 × 10¹¹

Factors of 136805209128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 271438919

Divisors of 136805209128

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 271438907 542877814 814316721 1085755628 1628633442 1900072349 2171511256 2442950163 3257266884 3800144698 4885900326 5700217047 6514533768 7600289396 9771800652 11400434094 15200578792 17100651141 19543601304 22800868188 34201302282 45601736376 68402604564 136805209128
• Sum of all divisors σ(n): 423444696480
• Sum of proper divisors (its aliquot sum) s(n): 286639487352
• 136805209128 is an abundant number, because the sum of its proper divisors (286639487352) is greater than itself. Its abundance is 149834278224

Bases of 136805209128

• Binary: 1111111011010001110011101010000101000₂
• Hexadecimal: 0x1FDA39D428
• Base-36: 1QUIAEY0

Squares and roots of 136805209128

• 136805209128 squared (136805209128²) is 18715665244555814520384
• 136805209128 cubed (136805209128³) is 2560400497751099468929512138865152
• The square root of 136805209128 is 369871.8820456619
• The cube root of 136805209128 is 5152.6923318795

Scales and comparisons

• 136,805,209,128 seconds is equal to 4,349 years, 51 weeks, 14 hours, 58 minutes, 48 seconds.
• To count from 1 to 136,805,209,128 would take you about eight thousand, six hundred ninety-nine 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 136805209128 cubic inches would be around 429.4 feet tall.

Recreational maths with 136805209128

• 136805209128 backwards is 821902508631
• The number of decimal digits it has is: 12
• The sum of 136805209128's digits is 45
• More coming soon!