21423561876

Names of 21423561876

• Cardinal: 21423561876 can be written as Twenty-one billion, four hundred twenty-three million, five hundred sixty-one thousand, eight hundred seventy-six.

Scientific notation

• Scientific notation: 2.1423561876 × 10¹⁰

Factors of 21423561876

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 70896

Divisors of 21423561876

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 367 414 734 828 1101 1468 2202 3303 4404 6606 8441 13212 16882 25323 33764 50646 70501 75969 101292 141002 151938 211503 282004 303876 423006 634509 846012 1269018 1621523 2538036 3243046 4864569 6486092 9729138 14593707 19458276 25873867 29187414 51747734 58374828 77621601 103495468 155243202 232864803 310486404 465729606 595098941 931459212 1190197882 1785296823 2380395764 3570593646 5355890469 7141187292 10711780938 21423561876
• Sum of all divisors σ(n): 56663303424
• Sum of proper divisors (its aliquot sum) s(n): 35239741548
• 21423561876 is an abundant number, because the sum of its proper divisors (35239741548) is greater than itself. Its abundance is 13816179672

Bases of 21423561876

• Binary: 10011111100111100011001110010010100₂
• Hexadecimal: 0x4FCF19C94
• Base-36: 9UB1A50

Squares and roots of 21423561876

• 21423561876 squared (21423561876²) is 458969003454800639376
• 21423561876 cubed (21423561876³) is 9832750844679979266916098029376
• The square root of 21423561876 is 146367.8990626019
• The cube root of 21423561876 is 2777.3496589155

Scales and comparisons

• 21,423,561,876 seconds is equal to 681 years, 10 weeks, 3 days, 21 hours, 24 minutes, 36 seconds.
• To count from 1 to 21,423,561,876 would take you about one thousand, three hundred sixty-two 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 21423561876 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423561876

• 21423561876 backwards is 67816532412
• The number of decimal digits it has is: 11
• The sum of 21423561876's digits is 45
• More coming soon!