21294319727772343

Names of 21294319727772343

• Cardinal: 21294319727772343 can be written as Twenty-one quadrillion, two hundred ninety-four trillion, three hundred nineteen billion, seven hundred twenty-seven million, seven hundred seventy-two thousand, three hundred forty-three.

Scientific notation

• Scientific notation: 2.1294319727772343 × 10¹⁶

Factors of 21294319727772343

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 408

Divisors of 21294319727772343

• Number of divisors d(n): 40
• Complete list of divisors:
  1 7 49 343 401 2401 2807 16807 19649 117649 137543 160801 823543 962801 1125607 6739607 7879249 47177249 55154743 64481201 330240743 386083201 451368407 2702582407 3159578849 18918076849 22117051943 25856961601 132426537943 154819363601 180998731207 1083735545207 1266991118449 7586148816449 8868937829143 53103041715143 62082564804001 434577953628007 3042045675396049 21294319727772343
• Sum of all divisors σ(n): 24905477128004000
• Sum of proper divisors (its aliquot sum) s(n): 3611157400231657
• 21294319727772343 is a deficient number, because the sum of its proper divisors (3611157400231657) is less than itself. Its deficiency is 17683162327540686

Bases of 21294319727772343

• Binary: 1001011101001110001001000101011000110111000001010110111₂
• Hexadecimal: 0x4BA7122B1B82B7
• Base-36: 5TO7FFMVFLJ

Squares and roots of 21294319727772343

• 21294319727772343 squared (21294319727772343²) is 453448052668594392091417235709649
• 21294319727772343 cubed (21294319727772343³) is 9655867813460801986216059028330849007025520437607
• The square root of 21294319727772343 is 145925733.6036805505
• The cube root of 21294319727772343 is 277175.3408045939

Scales and comparisons

• 21,294,319,727,772,343 seconds is equal to 677,093,499 years, 35 weeks, 5 days, 6 hours, 5 minutes, 43 seconds.
• To count from 1 to 21,294,319,727,772,343 would take you about two billion, thirty-one million, two hundred eighty thousand, four hundred ninety-nine 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 21294319727772343 cubic inches would be around 23097.9 feet tall.

Recreational maths with 21294319727772343

• 21294319727772343 backwards is 34327772791349212
• The number of decimal digits it has is: 17
• The sum of 21294319727772343's digits is 73
• More coming soon!