42139887546573842

Names of 42139887546573842

• Cardinal: 42139887546573842 can be written as Forty-two quadrillion, one hundred thirty-nine trillion, eight hundred eighty-seven billion, five hundred forty-six million, five hundred seventy-three thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 4.2139887546573842 × 10¹⁶

Factors of 42139887546573842

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 10124912915724

Divisors of 42139887546573842

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 2081 4162 10124912913641 20249825827282 21069943773286921 42139887546573842
• Sum of all divisors σ(n): 63240206058607932
• Sum of proper divisors (its aliquot sum) s(n): 21100318512034090
• 42139887546573842 is a deficient number, because the sum of its proper divisors (21100318512034090) is less than itself. Its deficiency is 21039569034539752

Bases of 42139887546573842

• Binary: 10010101101101100000000100100100000101101010010000010010₂
• Hexadecimal: 0x95B6012416A412
• Base-36: BIXCD35KQHE

Squares and roots of 42139887546573842

• 42139887546573842 squared (42139887546573842²) is 1775770122437889176814672758640964
• 42139887546573842 cubed (42139887546573842³) is 74830753268098312759180823732921508194198392063688
• The square root of 42139887546573842 is 205280022.2782865981
• The cube root of 42139887546573842 is 347988.1517814401

Scales and comparisons

• 42,139,887,546,573,842 seconds is equal to 1,339,918,076 years, 39 weeks, 4 hours, 44 minutes, 2 seconds.
• To count from 1 to 42,139,887,546,573,842 would take you about four billion, nineteen million, seven hundred fifty-four thousand, two hundred thirty 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 42139887546573842 cubic inches would be around 28999 feet tall.

Recreational maths with 42139887546573842

• 42139887546573842 backwards is 24837564578893124
• The number of decimal digits it has is: 17
• The sum of 42139887546573842's digits is 86
• More coming soon!