1018937669381572138

Names of 1018937669381572138

• Cardinal: 1018937669381572138 can be written as One quintillion, eighteen quadrillion, nine hundred thirty-seven trillion, six hundred sixty-nine billion, three hundred eighty-one million, five hundred seventy-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.018937669381572138 × 10¹⁸

Factors of 1018937669381572138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 46315348608253292

Divisors of 1018937669381572138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 22 46315348608253279 92630697216506558 509468834690786069 1018937669381572138
• Sum of all divisors σ(n): 1667352549897118080
• Sum of proper divisors (its aliquot sum) s(n): 648414880515545942
• 1018937669381572138 is a deficient number, because the sum of its proper divisors (648414880515545942) is less than itself. Its deficiency is 370522788866026196

Bases of 1018937669381572138

• Binary: 111000100011111111100110100101100111110000001100011000101010₂
• Hexadecimal: 0xE23FE6967C0C62A
• Base-36: 7QOV9B7IS4YY

Squares and roots of 1018937669381572138

• 1018937669381572138 squared (1018937669381572138²) is 1038233974084750010843729940497891044
• 1018937669381572138 cubed (1018937669381572138³) is 1057895705826682741732589563669595017079729506150132072
• The square root of 1018937669381572138 is 1009424424.7993864241
• The cube root of 1018937669381572138 is 1006273.1221127217

Scales and comparisons

• 1,018,937,669,381,572,138 seconds is equal to 32,399,066,105 years, 9 weeks, 3 days, 17 hours, 8 minutes, 58 seconds.
• To count from 1 to 1,018,937,669,381,572,138 would take you about one hundred thirteen billion, three hundred ninety-six million, seven hundred thirty-one thousand, three hundred sixty-eight 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 1018937669381572138 cubic inches would be around 83856.1 feet tall.

Recreational maths with 1018937669381572138

• 1018937669381572138 backwards is 8312751839667398101
• The number of decimal digits it has is: 19
• The sum of 1018937669381572138's digits is 88
• More coming soon!