428491021794

Names of 428491021794

• Cardinal: 428491021794 can be written as Four hundred twenty-eight billion, four hundred ninety-one million, twenty-one thousand, seven hundred ninety-four.

Scientific notation

• Scientific notation: 4.28491021794 × 10¹¹

Factors of 428491021794

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8312876

Divisors of 428491021794

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 11 22 33 66 71 121 142 213 242 363 426 726 781 1562 2343 4686 8591 17182 25773 51546 8312789 16625578 24938367 49876734 91440679 182881358 274322037 548644074 590208019 1005847469 1180416038 1770624057 2011694938 3017542407 3541248114 6035084814 6492288209 12984576418 19476864627 38953729254 71415170299 142830340598 214245510897 428491021794
• Sum of all divisors σ(n): 955239324480
• Sum of proper divisors (its aliquot sum) s(n): 526748302686
• 428491021794 is an abundant number, because the sum of its proper divisors (526748302686) is greater than itself. Its abundance is 98257280892

Bases of 428491021794

• Binary: 110001111000100000011100001110111100010₂
• Hexadecimal: 0x63C40E1DE2
• Base-36: 5GUGHOF6

Squares and roots of 428491021794

• 428491021794 squared (428491021794²) is 183604555758066182978436
• 428491021794 cubed (428491021794³) is 78672903702807225001907411908034184
• The square root of 428491021794 is 654592.2561365969
• The cube root of 428491021794 is 7539.0028735913

Scales and comparisons

• 428,491,021,794 seconds is equal to 13,624 years, 35 weeks, 5 days, 19 hours, 49 minutes, 54 seconds.
• To count from 1 to 428,491,021,794 would take you about twenty-seven thousand, two hundred forty-nine 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 428491021794 cubic inches would be around 628.3 feet tall.

Recreational maths with 428491021794

• 428491021794 backwards is 497120194824
• The number of decimal digits it has is: 12
• The sum of 428491021794's digits is 51
• More coming soon!