138577311868

Names of 138577311868

• Cardinal: 138577311868 can be written as One hundred thirty-eight billion, five hundred seventy-seven million, three hundred eleven thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38577311868 × 10¹¹

Factors of 138577311868

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1361

Divisors of 138577311868

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 23 46 47 92 94 188 529 1058 1081 1289 2116 2162 2209 2578 4324 4418 5156 8836 12167 24334 24863 29647 48668 49726 50807 59294 60583 99452 101614 118588 121166 203228 242332 571849 681881 1143698 1168561 1363762 1393409 2287396 2337122 2727524 2786818 2847401 4674244 5573636 5694802 11389604 15683263 26876903 31366526 32048407 53753806 62733052 64096814 65490223 107507612 128193628 130980446 261960892 737113361 1474226722 1506275129 2948453444 3012550258 6025100516 34644327967 69288655934 138577311868
• Sum of all divisors σ(n): 259242631200
• Sum of proper divisors (its aliquot sum) s(n): 120665319332
• 138577311868 is a deficient number, because the sum of its proper divisors (120665319332) is less than itself. Its deficiency is 17911992536

Bases of 138577311868

• Binary: 10000001000011110110011111100001111100₂
• Hexadecimal: 0x2043D9F87C
• Base-36: 1RNTCQ64

Squares and roots of 138577311868

• 138577311868 squared (138577311868²) is 19203671364560933649424
• 138577311868 cubed (138577311868³) is 2661193155697341625225485026564032
• The square root of 138577311868 is 372259.7371030071
• The cube root of 138577311868 is 5174.8453748037

Scales and comparisons

• 138,577,311,868 seconds is equal to 4,406 years, 17 weeks, 1 day, 1 hour, 44 minutes, 28 seconds.
• To count from 1 to 138,577,311,868 would take you about eight thousand, eight hundred twelve 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 138577311868 cubic inches would be around 431.2 feet tall.

Recreational maths with 138577311868

• 138577311868 backwards is 868113775831
• The number of decimal digits it has is: 12
• The sum of 138577311868's digits is 58
• More coming soon!