18838418817932766

Names of 18838418817932766

• Cardinal: 18838418817932766 can be written as Eighteen quadrillion, eight hundred thirty-eight trillion, four hundred eighteen billion, eight hundred seventeen million, nine hundred thirty-two thousand, seven hundred sixty-six.

Scientific notation

• Scientific notation: 1.8838418817932766 × 10¹⁶

Factors of 18838418817932766

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 80506063324517

Divisors of 18838418817932766

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 78 117 234 80506063324499 161012126648998 241518189973497 483036379946994 724554569920491 1046578823218487 1449109139840982 2093157646436974 3139736469655461 6279472939310922 9419209408966383 18838418817932766
• Sum of all divisors σ(n): 43956310575177000
• Sum of proper divisors (its aliquot sum) s(n): 25117891757244234
• 18838418817932766 is an abundant number, because the sum of its proper divisors (25117891757244234) is greater than itself. Its abundance is 6279472939311468

Bases of 18838418817932766

• Binary: 1000010111011010111000100101101110001011101110111011110₂
• Hexadecimal: 0x42ED712DC5DDDE
• Base-36: 55HNU4QMXNI

Squares and roots of 18838418817932766

• 18838418817932766 squared (18838418817932766²) is 354886023559843352622385696410756
• 18838418817932766 cubed (18838418817932766³) is 6685491544451083956265737843348207408093927231096
• The square root of 18838418817932766 is 137253119.5198592417
• The cube root of 18838418817932766 is 266081.5832157675

Scales and comparisons

• 18,838,418,817,932,766 seconds is equal to 599,003,447 years, 18 weeks, 3 days, 4 hours, 26 minutes, 6 seconds.
• To count from 1 to 18,838,418,817,932,766 would take you about one billion, seven hundred ninety-seven million, ten thousand, three hundred forty-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 18838418817932766 cubic inches would be around 22173.5 feet tall.

Recreational maths with 18838418817932766

• 18838418817932766 backwards is 66723971881483881
• The number of decimal digits it has is: 17
• The sum of 18838418817932766's digits is 90
• More coming soon!