42687975589358855518

Names of 42687975589358855518

• Cardinal: 42687975589358855518 can be written as Forty-two quintillion, six hundred eighty-seven quadrillion, nine hundred seventy-five trillion, five hundred eighty-nine billion, three hundred fifty-eight million, eight hundred fifty-five thousand, five hundred eighteen.

Scientific notation

• Scientific notation: 4.2687975589358855518 × 10¹⁹

Factors of 42687975589358855518

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 27434785107

Divisors of 42687975589358855518

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 111595357 223190714 781167499 1562334998 27323189741 54646379482 191262328187 382524656374 3049141113525632537 6098282227051265074 21343987794679427759 42687975589358855518
• Sum of all divisors σ(n): 73179387383050023264
• Sum of proper divisors (its aliquot sum) s(n): 30491411793691167746
• 42687975589358855518 is a deficient number, because the sum of its proper divisors (30491411793691167746) is less than itself. Its deficiency is 12196563795667687772

Bases of 42687975589358855518

• Binary: 100101000001101010001001111010000011000000010001111110010101011110₂
• Hexadecimal: 0x2506A27A0C047E55E
• Base-36: 90BMWFEIKA25A

Squares and roots of 42687975589358855518

• 42687975589358855518 squared (42687975589358855518²) is 1822263259917697528105852677486799048324
• 42687975589358855518 cubed (42687975589358855518³) is 77788729556752163454938414488402512966014555573484216051832
• The square root of 42687975589358855518 is 6533603568.4267572125
• The cube root of 42687975589358855518 is 3494903.4827104549

Scales and comparisons

• 42,687,975,589,358,855,518 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 42,687,975,589,358,855,518 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 42687975589358855518 cubic inches would be around 291242 feet tall.

Recreational maths with 42687975589358855518

• 42687975589358855518 backwards is 81555885398557978624
• The number of decimal digits it has is: 20
• The sum of 42687975589358855518's digits is 118
• More coming soon!