21321603329104436

Names of 21321603329104436

• Cardinal: 21321603329104436 can be written as Twenty-one quadrillion, three hundred twenty-one trillion, six hundred three billion, three hundred twenty-nine million, one hundred four thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 2.1321603329104436 × 10¹⁶

Factors of 21321603329104436

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5981330

Divisors of 21321603329104436

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 4 149 298 596 5981179 11962358 23924716 891195671 1782391342 3564782684 35774502230041 71549004460082 143098008920164 5330400832276109 10660801664552218 21321603329104436
• Sum of all divisors σ(n): 37563233621782050
• Sum of proper divisors (its aliquot sum) s(n): 16241630292677614
• 21321603329104436 is a deficient number, because the sum of its proper divisors (16241630292677614) is less than itself. Its deficiency is 5079973036426822

Bases of 21321603329104436

• Binary: 1001011101111111110001010100000011110010001101000110100₂
• Hexadecimal: 0x4BBFE2A0791A34
• Base-36: 5TXVLCINX9W

Squares and roots of 21321603329104436

• 21321603329104436 squared (21321603329104436²) is 454610768523677368171545794878096
• 21321603329104436 cubed (21321603329104436³) is 9693030475601165518749928232771126379415472833856
• The square root of 21321603329104436 is 146019188.2223169873
• The cube root of 21321603329104436 is 277293.6683540871

Scales and comparisons

• 21,321,603,329,104,436 seconds is equal to 677,961,033 years, 42 weeks, 3 days, 1 hour, 53 minutes, 56 seconds.
• To count from 1 to 21,321,603,329,104,436 would take you about two billion, thirty-three million, eight hundred eighty-three thousand, one hundred one 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 21321603329104436 cubic inches would be around 23107.8 feet tall.

Recreational maths with 21321603329104436

• 21321603329104436 backwards is 63440192330612312
• The number of decimal digits it has is: 17
• The sum of 21321603329104436's digits is 50
• More coming soon!