21079492897616664

Names of 21079492897616664

• Cardinal: 21079492897616664 can be written as Twenty-one quadrillion, seventy-nine trillion, four hundred ninety-two billion, eight hundred ninety-seven million, six hundred sixteen thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1079492897616664 × 10¹⁶

Factors of 21079492897616664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 125473172009635

Divisors of 21079492897616664

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 125473172009623 250946344019246 376419516028869 501892688038492 752839032057738 878312204067361 1003785376076984 1505678064115476 1756624408134722 2634936612202083 3011356128230952 3513248816269444 5269873224404166 7026497632538888 10539746448808332 21079492897616664
• Sum of all divisors σ(n): 60227122564619520
• Sum of proper divisors (its aliquot sum) s(n): 39147629667002856
• 21079492897616664 is an abundant number, because the sum of its proper divisors (39147629667002856) is greater than itself. Its abundance is 18068136769386192

Bases of 21079492897616664

• Binary: 1001010111000111010111111100110001101010011001100011000₂
• Hexadecimal: 0x4AE3AFE6353318
• Base-36: 5RK21CMV28O

Squares and roots of 21079492897616664

• 21079492897616664 squared (21079492897616664²) is 444345020820671381425051490488896
• 21079492897616664 cubed (21079492897616664³) is 9366567710480671073439909128375044241702556562944
• The square root of 21079492897616664 is 145187784.9463124223
• The cube root of 21079492897616664 is 276240.0981584559

Scales and comparisons

• 21,079,492,897,616,664 seconds is equal to 670,262,670 years, 51 weeks, 3 days, 22 hours, 24 minutes, 24 seconds.
• To count from 1 to 21,079,492,897,616,664 would take you about two billion, ten million, seven hundred eighty-eight thousand and twelve 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 21079492897616664 cubic inches would be around 23020 feet tall.

Recreational maths with 21079492897616664

• 21079492897616664 backwards is 46661679829497012
• The number of decimal digits it has is: 17
• The sum of 21079492897616664's digits is 87
• More coming soon!