138895877568

Names of 138895877568

• Cardinal: 138895877568 can be written as One hundred thirty-eight billion, eight hundred ninety-five million, eight hundred seventy-seven thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38895877568 × 10¹¹

Factors of 138895877568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 103345159

Divisors of 138895877568

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 103345147 206690294 310035441 413380588 620070882 723416029 826761176 1240141764 1446832058 1653522352 2170248087 2480283528 2893664116 3307044704 4340496174 4960567056 5787328232 6614089408 8680992348 9921134112 11574656464 17361984696 19842268224 23149312928 34723969392 46298625856 69447938784 138895877568
• Sum of all divisors σ(n): 419994681472
• Sum of proper divisors (its aliquot sum) s(n): 281098803904
• 138895877568 is an abundant number, because the sum of its proper divisors (281098803904) is greater than itself. Its abundance is 142202926336

Bases of 138895877568

• Binary: 10000001010110110101101110010111000000₂
• Hexadecimal: 0x2056D6E5C0
• Base-36: 1RT30P1C

Squares and roots of 138895877568

• 138895877568 squared (138895877568²) is 19292064805384845594624
• 138895877568 cubed (138895877568³) is 2679588271242655260833479262994432
• The square root of 138895877568 is 372687.3724289569
• The cube root of 138895877568 is 5178.8077036031

Scales and comparisons

• 138,895,877,568 seconds is equal to 4,416 years, 23 weeks, 6 days, 4 hours, 12 minutes, 48 seconds.
• To count from 1 to 138,895,877,568 would take you about eight thousand, eight hundred thirty-two 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 138895877568 cubic inches would be around 431.6 feet tall.

Recreational maths with 138895877568

• 138895877568 backwards is 865778598831
• The number of decimal digits it has is: 12
• The sum of 138895877568's digits is 75
• More coming soon!