428388806937

Names of 428388806937

• Cardinal: 428388806937 can be written as Four hundred twenty-eight billion, three hundred eighty-eight million, eight hundred six thousand, nine hundred thirty-seven.

Scientific notation

• Scientific notation: 4.28388806937 × 10¹¹

Factors of 428388806937

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5682

Divisors of 428388806937

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 13 21 39 49 91 147 273 343 637 1029 1911 4459 5659 13377 16977 39613 73567 118839 220701 277291 514969 831873 1544907 1941037 3604783 5823111 10814349 25233481 32024281 75700443 96072843 224169967 416315653 672509901 1248946959 1569189769 2914209571 4707569307 8742628713 10984328383 20399466997 32952985149 61198400991 142796268979 428388806937
• Sum of all divisors σ(n): 717470678400
• Sum of proper divisors (its aliquot sum) s(n): 289081871463
• 428388806937 is a deficient number, because the sum of its proper divisors (289081871463) is less than itself. Its deficiency is 139306935474

Bases of 428388806937

• Binary: 110001110111101111101100111000100011001₂
• Hexadecimal: 0x63BDF67119
• Base-36: 5GSRMUXL

Squares and roots of 428388806937

• 428388806937 squared (428388806937²) is 183516969908906259321969
• 428388806937 cubed (428388806937³) is 78616615791969682001509834463698953
• The square root of 428388806937 is 654514.1762689331
• The cube root of 428388806937 is 7538.4033593707

Scales and comparisons

• 428,388,806,937 seconds is equal to 13,621 years, 22 weeks, 5 days, 18 hours, 48 minutes, 57 seconds.
• To count from 1 to 428,388,806,937 would take you about twenty-seven thousand, two hundred forty-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 428388806937 cubic inches would be around 628.2 feet tall.

Recreational maths with 428388806937

• 428388806937 backwards is 739608883824
• The number of decimal digits it has is: 12
• The sum of 428388806937's digits is 66
• More coming soon!