138319088868

Names of 138319088868

• Cardinal: 138319088868 can be written as One hundred thirty-eight billion, three hundred nineteen million, eighty-eight thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38319088868 × 10¹¹

Factors of 138319088868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21212

Divisors of 138319088868

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 127 254 381 508 762 1143 1524 1549 2286 3098 4572 4647 6196 9294 13941 18588 19531 27882 39062 55764 58593 78124 117186 175779 196723 234372 351558 393446 590169 703116 786892 1180338 1770507 2360676 2480437 3541014 4960874 7082028 7441311 9921748 14882622 22323933 29765244 30253519 44647866 60507038 89295732 90760557 121014076 181521114 272281671 363042228 544563342 1089126684 3842196913 7684393826 11526590739 15368787652 23053181478 34579772217 46106362956 69159544434 138319088868
• Sum of all divisors σ(n): 352638540800
• Sum of proper divisors (its aliquot sum) s(n): 214319451932
• 138319088868 is an abundant number, because the sum of its proper divisors (214319451932) is greater than itself. Its abundance is 76000363064

Bases of 138319088868

• Binary: 10000000110100011101011100110011100100₂
• Hexadecimal: 0x203475CCE4
• Base-36: 1RJJM410

Squares and roots of 138319088868

• 138319088868 squared (138319088868²) is 19132170345273681521424
• 138319088868 cubed (138319088868³) is 2646344370225624598143375701908032
• The square root of 138319088868 is 371912.7436214037
• The cube root of 138319088868 is 5171.6291317519

Scales and comparisons

• 138,319,088,868 seconds is equal to 4,398 years, 6 weeks, 1 day, 9 hours, 7 minutes, 48 seconds.
• To count from 1 to 138,319,088,868 would take you about eight thousand, seven hundred ninety-six 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 138319088868 cubic inches would be around 431 feet tall.

Recreational maths with 138319088868

• 138319088868 backwards is 868880913831
• The number of decimal digits it has is: 12
• The sum of 138319088868's digits is 63
• More coming soon!