138940328960

Names of 138940328960

• Cardinal: 138940328960 can be written as One hundred thirty-eight billion, nine hundred forty million, three hundred twenty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.3894032896 × 10¹¹

Factors of 138940328960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11511

Divisors of 138940328960

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2560 3313 5120 6626 8191 13252 16382 16565 26504 32764 33130 40955 53008 65528 66260 81910 106016 131056 132520 163820 212032 262112 265040 327640 424064 524224 530080 655280 848128 1048448 1060160 1310560 1696256 2096896 2120320 2621120 3392512 4193792 4240640 5242240 8387584 8481280 10484480 16962560 20968960 27136783 41937920 54273566 108547132 135683915 217094264 271367830 434188528 542735660 868377056 1085471320 1736754112 2170942640 3473508224 4341885280 6947016448 8683770560 13894032896 17367541120 27788065792 34735082240 69470164480 138940328960
• Sum of all divisors σ(n): 333435273216
• Sum of proper divisors (its aliquot sum) s(n): 194494944256
• 138940328960 is an abundant number, because the sum of its proper divisors (194494944256) is greater than itself. Its abundance is 55554615296

Bases of 138940328960

• Binary: 10000001011001011111010010110000000000₂
• Hexadecimal: 0x20597D2C00
• Base-36: 1RTTHFY8

Squares and roots of 138940328960

• 138940328960 squared (138940328960²) is 19304415011513014681600
• 138940328960 cubed (138940328960³) is 2682161772079980447182813659136000
• The square root of 138940328960 is 372747.0039584491
• The cube root of 138940328960 is 5179.3601093859

Scales and comparisons

• 138,940,328,960 seconds is equal to 4,417 years, 45 weeks, 2 days, 15 hours, 49 minutes, 20 seconds.
• To count from 1 to 138,940,328,960 would take you about eight thousand, eight hundred thirty-five 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 138940328960 cubic inches would be around 431.6 feet tall.

Recreational maths with 138940328960

• 138940328960 backwards is 069823049831
• The number of decimal digits it has is: 12
• The sum of 138940328960's digits is 53
• More coming soon!