138969719910

Names of 138969719910

• Cardinal: 138969719910 can be written as One hundred thirty-eight billion, nine hundred sixty-nine million, seven hundred nineteen thousand, nine hundred ten.

Scientific notation

• Scientific notation: 1.3896971991 × 10¹¹

Factors of 138969719910

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 433899

Divisors of 138969719910

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 509 630 1018 1527 2545 3054 3563 4581 5090 7126 7635 9162 10689 15270 17815 21378 22905 32067 35630 45810 53445 64134 106890 160335 320670 433373 866746 1300119 2166865 2600238 3033611 3900357 4333730 6067222 6500595 7800714 9100833 13001190 15168055 18201666 19501785 27302499 30336110 39003570 45504165 54604998 91008330 136512495 220586857 273024990 441173714 661760571 1102934285 1323521142 1544107999 1985281713 2205868570 3088215998 3308802855 3970563426 4632323997 6617605710 7720539995 9264647994 9926408565 13896971991 15441079990 19852817130 23161619985 27793943982 46323239970 69484859955 138969719910
• Sum of all divisors σ(n): 413750825280
• Sum of proper divisors (its aliquot sum) s(n): 274781105370
• 138969719910 is an abundant number, because the sum of its proper divisors (274781105370) is greater than itself. Its abundance is 135811385460

Bases of 138969719910

• Binary: 10000001011011001111011010010001100110₂
• Hexadecimal: 0x205B3DA466
• Base-36: 1RUAZE5I

Squares and roots of 138969719910

• 138969719910 squared (138969719910²) is 19312583051863850408100
• 138969719910 cubed (138969719910³) is 2683864257456132294667796195271000
• The square root of 138969719910 is 372786.4266708219
• The cube root of 138969719910 is 5179.7252915293

Scales and comparisons

• 138,969,719,910 seconds is equal to 4,418 years, 41 weeks, 6 days, 19 hours, 58 minutes, 30 seconds.
• To count from 1 to 138,969,719,910 would take you about eight thousand, eight hundred thirty-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 138969719910 cubic inches would be around 431.6 feet tall.

Recreational maths with 138969719910

• 138969719910 backwards is 019917969831
• 138969719910 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138969719910's digits is 63
• More coming soon!