188640798813296161

Names of 188640798813296161

• Cardinal: 188640798813296161 can be written as One hundred eighty-eight quadrillion, six hundred forty trillion, seven hundred ninety-eight billion, eight hundred thirteen million, two hundred ninety-six thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 1.88640798813296161 × 10¹⁷

Factors of 188640798813296161

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 55581128

Divisors of 188640798813296161

• Number of divisors d(n): 16
• Complete list of divisors:
  1 983 1187 2909 1166821 2859547 3452983 55576049 3394282289 54631256167 65968770163 161670726541 64847301070229 158922324189803 191903152404167 188640798813296161
• Sum of all divisors σ(n): 189056757319056000
• Sum of proper divisors (its aliquot sum) s(n): 415958505759839
• 188640798813296161 is a deficient number, because the sum of its proper divisors (415958505759839) is less than itself. Its deficiency is 188224840307536322

Bases of 188640798813296161

• Binary: 1010011110001011111100111010011011011010011001011000100001₂
• Hexadecimal: 0x29E2FCE9B699621
• Base-36: 1FLFKYM4CFMP

Squares and roots of 188640798813296161

• 188640798813296161 squared (188640798813296161²) is 35585350976918478304203601497337921
• 188640798813296161 cubed (188640798813296161³) is 6712849034337410665616052155702399553259740869021281
• The square root of 188640798813296161 is 434327985.2983182581
• The cube root of 188640798813296161 is 573515.5649299773

Scales and comparisons

• 188,640,798,813,296,161 seconds is equal to 5,998,193,897 years, 49 weeks, 6 days, 14 hours, 16 minutes, 1 second.
• To count from 1 to 188,640,798,813,296,161 would take you about seventeen billion, nine hundred ninety-four million, five hundred eighty-one thousand, six hundred ninety-three 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 188640798813296161 cubic inches would be around 47793 feet tall.

Recreational maths with 188640798813296161

• 188640798813296161 backwards is 161692318897046881
• The number of decimal digits it has is: 18
• The sum of 188640798813296161's digits is 88
• More coming soon!