31128722195210039138

Names of 31128722195210039138

• Cardinal: 31128722195210039138 can be written as Thirty-one quintillion, one hundred twenty-eight quadrillion, seven hundred twenty-two trillion, one hundred ninety-five billion, two hundred ten million, thirty-nine thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.1128722195210039138 × 10¹⁹

Factors of 31128722195210039138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 536

Divisors of 31128722195210039138

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 31 62 503 961 1006 1922 15593 31186 253009 483383 506018 966766 7843279 15686558 127263527 243141649 254527054 486283298 3945169337 7890338674 64013554081 122300249447 128027108162 244600498894 1984420176511 3968840353022 32198817702743 61517025471841 64397635405486 123034050943682 998163348785033 1996326697570066 16196005304479729 30943063812336023 32392010608959458 61886127624672046 502076164438871599 1004152328877743198 15564361097605019569 31128722195210039138
• Sum of all divisors σ(n): 48344011156232453547
• Sum of proper divisors (its aliquot sum) s(n): 17215288961022414409
• 31128722195210039138 is a deficient number, because the sum of its proper divisors (17215288961022414409) is less than itself. Its deficiency is 13913433234187624729

Bases of 31128722195210039138

• Binary: 11010111111111111011011111110100011010101010011111110111101100010₂
• Hexadecimal: 0x1AFFF6FE8D54FEF62
• Base-36: 6KI1V2U1YESTE

Squares and roots of 31128722195210039138

• 31128722195210039138 squared (31128722195210039138²) is 968997345506562117978802652259491783044
• 31128722195210039138 cubed (31128722195210039138³) is 30163649176169731087247449141518630777614584868008644776072
• The square root of 31128722195210039138 is 5579311982.2438715403
• The cube root of 31128722195210039138 is 3145722.6633059421
• Being both a perfect square and a perfect cube, 31128722195210039138 is also a perfect sixth number.

Scales and comparisons

• 31,128,722,195,210,039,138 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 31,128,722,195,210,039,138 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 31128722195210039138 cubic inches would be around 262143.6 feet tall.

Recreational maths with 31128722195210039138

• 31128722195210039138 backwards is 83193001259122782113
• The number of decimal digits it has is: 20
• The sum of 31128722195210039138's digits is 68
• More coming soon!