21321996147913

Names of 21321996147913

• Cardinal: 21321996147913 can be written as Twenty-one trillion, three hundred twenty-one billion, nine hundred ninety-six million, one hundred forty-seven thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 2.1321996147913 × 10¹³

Factors of 21321996147913

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 978635

Divisors of 21321996147913

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3793 5801 969041 22003193 3675572513 5621406841 21321996147913
• Sum of all divisors σ(n): 21331316109096
• Sum of proper divisors (its aliquot sum) s(n): 9319961183
• 21321996147913 is a deficient number, because the sum of its proper divisors (9319961183) is less than itself. Its deficiency is 21312676186730

Bases of 21321996147913

• Binary: 100110110010001101010000000011001110011001001₂
• Hexadecimal: 0x13646A019CC9
• Base-36: 7K36TZLJD

Squares and roots of 21321996147913

• 21321996147913 squared (21321996147913²) is 454627519731616810574255569
• 21321996147913 cubed (21321996147913³) is 9693566224452775034659672247665587977497
• The square root of 21321996147913 is 4617574.7040966213
• The cube root of 21321996147913 is 27729.5371251345

Scales and comparisons

• 21,321,996,147,913 seconds is equal to 677,973 years, 27 weeks, 1 day, 19 hours, 45 minutes, 13 seconds.
• To count from 1 to 21,321,996,147,913 would take you about one million, six hundred ninety-four thousand, nine hundred thirty-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 21321996147913 cubic inches would be around 2310.8 feet tall.

Recreational maths with 21321996147913

• 21321996147913 backwards is 31974169912312
• The number of decimal digits it has is: 14
• The sum of 21321996147913's digits is 58
• More coming soon!