138993789326820

Names of 138993789326820

• Cardinal: 138993789326820 can be written as One hundred thirty-eight trillion, nine hundred ninety-three billion, seven hundred eighty-nine million, three hundred twenty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.3899378932682 × 10¹⁴

Factors of 138993789326820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 619571322

Divisors of 138993789326820

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 3739 7478 11217 14956 18695 22434 37390 44868 56085 74780 112170 224340 619567573 1239135146 1858702719 2478270292 3097837865 3717405438 6195675730 7434810876 9293513595 12391351460 18587027190 37174054380 2316563155447 4633126310894 6949689466341 9266252621788 11582815777235 13899378932682 23165631554470 27798757865364 34748447331705 46331263108940 69496894663410 138993789326820
• Sum of all divisors σ(n): 389286698095680
• Sum of proper divisors (its aliquot sum) s(n): 250292908768860
• 138993789326820 is an abundant number, because the sum of its proper divisors (250292908768860) is greater than itself. Its abundance is 111299119442040

Bases of 138993789326820

• Binary: 11111100110101000000011011100000101010111100100₂
• Hexadecimal: 0x7E6A037055E4
• Base-36: 1D9OV5G9NO

Squares and roots of 138993789326820

• 138993789326820 squared (138993789326820²) is 19319273471428421348771312400
• 138993789326820 cubed (138993789326820³) is 2685259026834944481486451870184123918568000
• The square root of 138993789326820 is 11789562.7283975211
• The cube root of 138993789326820 is 51800.2431535051

Scales and comparisons

• 138,993,789,326,820 seconds is equal to 4,419,572 years, 29 weeks, 2 days, 12 hours, 7 minutes.
• To count from 1 to 138,993,789,326,820 would take you about eleven million, forty-eight thousand, nine hundred thirty-one 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 138993789326820 cubic inches would be around 4316.7 feet tall.

Recreational maths with 138993789326820

• 138993789326820 backwards is 028623987399831
• The number of decimal digits it has is: 15
• The sum of 138993789326820's digits is 78
• More coming soon!