164090621505145378

Names of 164090621505145378

• Cardinal: 164090621505145378 can be written as One hundred sixty-four quadrillion, ninety trillion, six hundred twenty-one billion, five hundred five million, one hundred forty-five thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 1.64090621505145378 × 10¹⁷

Factors of 164090621505145378

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7370884096352

Divisors of 164090621505145378

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11131 22262 7370884085219 14741768170438 82045310752572689 164090621505145378
• Sum of all divisors σ(n): 246158044910007120
• Sum of proper divisors (its aliquot sum) s(n): 82067423404861742
• 164090621505145378 is a deficient number, because the sum of its proper divisors (82067423404861742) is less than itself. Its deficiency is 82023198100283636

Bases of 164090621505145378

• Binary: 1001000110111101111000110100000101110010011000101000100010₂
• Hexadecimal: 0x246F78D05C98A22
• Base-36: 18VP9QUTV6ZM

Squares and roots of 164090621505145378

• 164090621505145378 squared (164090621505145378²) is 26925732065944878797771328914762884
• 164090621505145378 cubed (164090621505145378³) is 4418260109181917216074477505083081205521190818550152
• The square root of 164090621505145378 is 405081006.1026626043
• The cube root of 164090621505145378 is 547471.1690914293

Scales and comparisons

• 164,090,621,505,145,378 seconds is equal to 5,217,574,198 years, 12 weeks, 5 days, 9 hours, 42 minutes, 58 seconds.
• To count from 1 to 164,090,621,505,145,378 would take you about fifteen billion, six hundred fifty-two million, seven hundred twenty-two thousand, five hundred ninety-four 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 164090621505145378 cubic inches would be around 45622.6 feet tall.

Recreational maths with 164090621505145378

• 164090621505145378 backwards is 873541505126090461
• The number of decimal digits it has is: 18
• The sum of 164090621505145378's digits is 67
• More coming soon!