428078343825

Names of 428078343825

• Cardinal: 428078343825 can be written as Four hundred twenty-eight billion, seventy-eight million, three hundred forty-three thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 4.28078343825 × 10¹¹

Factors of 428078343825

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2550

Divisors of 428078343825

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 45 55 75 81 99 135 165 225 243 275 297 405 495 675 825 891 1215 1485 2025 2475 2531 2673 4455 6075 7425 7593 12655 13365 22275 22779 27841 37965 63275 66825 68337 83523 113895 139205 189825 205011 250569 341685 417615 569475 615033 696025 751707 1025055 1252845 1708425 2088075 2255121 3075165 3758535 5125275 6264225 6405961 6765363 11275605 15375825 18792675 19217883 32029805 33826815 56378025 57653649 70465571 96089415 160149025 169134075 172960947 211396713 288268245 352327855 480447075 518882841 634190139 864804735 1056983565 1441341225 1556648523 1761639275 1902570417 2594414205 3170950695 4324023675 5284917825 5707711251 7783242615 9512852085 12972071025 15854753475 17123133753 28538556255 38916213075 47564260425 85615668765 142692781275 428078343825
• Sum of all divisors σ(n): 867761220144
• Sum of proper divisors (its aliquot sum) s(n): 439682876319
• 428078343825 is an abundant number, because the sum of its proper divisors (439682876319) is greater than itself. Its abundance is 11604532494

Bases of 428078343825

• Binary: 110001110101011011101010010011010010001₂
• Hexadecimal: 0x63AB752691
• Base-36: 5GNMSK29

Squares and roots of 428078343825

• 428078343825 squared (428078343825²) is 183251068451954915630625
• 428078343825 cubed (428078343825³) is 78445813887074566866725555449640625
• The square root of 428078343825 is 654276.9626274487
• The cube root of 428078343825 is 7536.5818351417

Scales and comparisons

• 428,078,343,825 seconds is equal to 13,611 years, 29 weeks, 3 days, 11 hours, 3 minutes, 45 seconds.
• To count from 1 to 428,078,343,825 would take you about twenty-seven thousand, two hundred twenty-three 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 428078343825 cubic inches would be around 628 feet tall.

Recreational maths with 428078343825

• 428078343825 backwards is 528343870824
• The number of decimal digits it has is: 12
• The sum of 428078343825's digits is 54
• More coming soon!