21004927629

Names of 21004927629

• Cardinal: 21004927629 can be written as Twenty-one billion, four million, nine hundred twenty-seven thousand, six hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1004927629 × 10¹⁰

Factors of 21004927629

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 332137

Divisors of 21004927629

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 21 23 69 131 161 393 483 917 2751 3013 9039 21091 63273 331973 995919 2323811 6971433 7635379 22906137 43488463 53447653 130465389 160342959 304419241 913257723 1000234649 3000703947 7001642543 21004927629
• Sum of all divisors σ(n): 33654196224
• Sum of proper divisors (its aliquot sum) s(n): 12649268595
• 21004927629 is a deficient number, because the sum of its proper divisors (12649268595) is less than itself. Its deficiency is 8355659034

Bases of 21004927629

• Binary: 10011100011111111011100001010001101₂
• Hexadecimal: 0x4E3FDC28D
• Base-36: 9NDSHVX

Squares and roots of 21004927629

• 21004927629 squared (21004927629²) is 441206984699527561641
• 21004927629 cubed (21004927629³) is 9267520783022886742760041479189
• The square root of 21004927629 is 144930.7683999501
• The cube root of 21004927629 is 2759.1399524379

Scales and comparisons

• 21,004,927,629 seconds is equal to 667 years, 46 weeks, 2 days, 14 hours, 7 minutes, 9 seconds.
• To count from 1 to 21,004,927,629 would take you about one thousand, three hundred thirty-five 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 21004927629 cubic inches would be around 229.9 feet tall.

Recreational maths with 21004927629

• 21004927629 backwards is 92672940012
• The number of decimal digits it has is: 11
• The sum of 21004927629's digits is 42
• More coming soon!