1818737325980855809

Names of 1818737325980855809

• Cardinal: 1818737325980855809 can be written as One quintillion, eight hundred eighteen quadrillion, seven hundred thirty-seven trillion, three hundred twenty-five billion, nine hundred eighty million, eight hundred fifty-five thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.818737325980855809 × 10¹⁸

Factors of 1818737325980855809

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2002

Divisors of 1818737325980855809

• Number of divisors d(n): 21
• Complete list of divisors:
  1 89 1913 7921 170257 704969 3659569 15152873 62742241 325701641 1348605697 5584059449 28987446049 120025907033 496981290961 2579882698361 10682305725937 229609560154129 950725209608393 20435250853717481 1818737325980855809
• Sum of all divisors σ(n): 1840366827128210773
• Sum of proper divisors (its aliquot sum) s(n): 21629501147354964
• 1818737325980855809 is a deficient number, because the sum of its proper divisors (21629501147354964) is less than itself. Its deficiency is 1797107824833500845

Bases of 1818737325980855809

• Binary: 1100100111101011100111111011000111110110101010010111000000001₂
• Hexadecimal: 0x193D73F63ED52E01
• Base-36: DTG0KP4AT62P

Squares and roots of 1818737325980855809

• 1818737325980855809 squared (1818737325980855809²) is 3307805460915993766504819968049044481
• 1818737325980855809 cubed (1818737325980855809³) is 6016029258851226753991025815180146920340053001088240129
• 1818737325980855809 is a perfect square number. Its square root is 1348605697
• The cube root of 1818737325980855809 is 1220646.7335982353

Scales and comparisons

• 1,818,737,325,980,855,809 seconds is equal to 57,830,221,242 years, 13 weeks, 6 days, 19 hours, 56 minutes, 49 seconds.
• To count from 1 to 1,818,737,325,980,855,809 would take you about two hundred two billion, four hundred five million, seven hundred seventy-four thousand, three hundred forty-seven 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 1818737325980855809 cubic inches would be around 101720.6 feet tall.

Recreational maths with 1818737325980855809

• 1818737325980855809 backwards is 9085580895237378181
• The number of decimal digits it has is: 19
• The sum of 1818737325980855809's digits is 97
• More coming soon!