21084364801

Names of 21084364801

• Cardinal: 21084364801 can be written as Twenty-one billion, eighty-four million, three hundred sixty-four thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.1084364801 × 10¹⁰

Factors of 21084364801

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9053123

Divisors of 21084364801

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 137 2329 9052969 153900473 1240256753 21084364801
• Sum of all divisors σ(n): 22487577480
• Sum of proper divisors (its aliquot sum) s(n): 1403212679
• 21084364801 is a deficient number, because the sum of its proper divisors (1403212679) is less than itself. Its deficiency is 19681152122

Bases of 21084364801

• Binary: 10011101000101110011110000000000001₂
• Hexadecimal: 0x4E8B9E001
• Base-36: 9OP3401

Squares and roots of 21084364801

• 21084364801 squared (21084364801²) is 444550439061647769601
• 21084364801 cubed (21084364801³) is 9373063629620501702435482214401
• The square root of 21084364801 is 145204.5619152511
• The cube root of 21084364801 is 2762.6137810425

Scales and comparisons

• 21,084,364,801 seconds is equal to 670 years, 21 weeks, 5 days, 1 second.
• To count from 1 to 21,084,364,801 would take you about one thousand, three hundred forty 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 21084364801 cubic inches would be around 230.2 feet tall.

Recreational maths with 21084364801

• 21084364801 backwards is 10846348012
• The number of decimal digits it has is: 11
• The sum of 21084364801's digits is 37
• More coming soon!