2138995269642

Names of 2138995269642

• Cardinal: 2138995269642 can be written as Two trillion, one hundred thirty-eight billion, nine hundred ninety-five million, two hundred sixty-nine thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.138995269642 × 10¹²

Factors of 2138995269642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 87355923

Divisors of 2138995269642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 53 66 77 106 154 159 231 318 371 462 583 742 1113 1166 1749 2226 3498 4081 8162 12243 24486 87355847 174711694 262067541 524135082 611490929 960914317 1222981858 1834472787 1921828634 2882742951 3668945574 4629859891 5765485902 6726400219 9259719782 13452800438 13889579673 20179200657 27779159346 32409019237 40358401314 50928458801 64818038474 97227057711 101856917602 152785376403 194454115422 305570752806 356499211607 712998423214 1069497634821 2138995269642
• Sum of all divisors σ(n): 5434232592384
• Sum of proper divisors (its aliquot sum) s(n): 3295237322742
• 2138995269642 is an abundant number, because the sum of its proper divisors (3295237322742) is greater than itself. Its abundance is 1156242053100

Bases of 2138995269642

• Binary: 11111001000000110000011011010000000001010₂
• Hexadecimal: 0x1F2060DA00A
• Base-36: RAN2K0ZU

Squares and roots of 2138995269642

• 2138995269642 squared (2138995269642²) is 4575300763550852286808164
• 2138995269642 cubed (2138995269642³) is 9786546690424703772600141074706957288
• The square root of 2138995269642 is 1462530.4337489869
• The cube root of 2138995269642 is 12884.5703580663

Scales and comparisons

• 2,138,995,269,642 seconds is equal to 68,013 years, 22 weeks, 3 days, 16 hours, 40 minutes, 42 seconds.
• To count from 1 to 2,138,995,269,642 would take you about one hundred seventy thousand and thirty-three 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 2138995269642 cubic inches would be around 1073.7 feet tall.

Recreational maths with 2138995269642

• 2138995269642 backwards is 2469625998312
• 2138995269642 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 2138995269642's digits is 66
• More coming soon!