428678189615

Names of 428678189615

• Cardinal: 428678189615 can be written as Four hundred twenty-eight billion, six hundred seventy-eight million, one hundred eighty-nine thousand, six hundred fifteen.

Scientific notation

• Scientific notation: 4.28678189615 × 10¹¹

Factors of 428678189615

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 82

Divisors of 428678189615

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 13 17 47 65 85 169 221 235 289 611 799 845 1105 1445 2197 2873 3055 3757 3995 4913 7943 10387 10985 13583 14365 18785 24565 28561 37349 39715 48841 51935 63869 67915 103259 135031 142805 176579 186745 230911 244205 319345 371293 485537 516295 634933 675155 830297 882895 1154555 1342367 1755403 1856465 2295527 2427685 3001843 3174665 4151485 6311981 6711835 8254129 8777015 10793861 11477635 15009215 17450771 22820239 29841851 31559905 39023959 41270645 53969305 87253855 107303677 114101195 140320193 149209255 195119795 296663107 387944063 507311467 536518385 701600965 1483315535 1824162509 1939720315 2536557335 5043272819 6595049071 9120812545 25216364095 32975245355 85735637923 428678189615
• Sum of all divisors σ(n): 604702506240
• Sum of proper divisors (its aliquot sum) s(n): 176024316625
• 428678189615 is a deficient number, because the sum of its proper divisors (176024316625) is less than itself. Its deficiency is 252653872990

Bases of 428678189615

• Binary: 110001111001111001101100001001000101111₂
• Hexadecimal: 0x63CF36122F
• Base-36: 5GXJXC1B

Squares and roots of 428678189615

• 428678189615 squared (428678189615²) is 183764990251593893848225
• 428678189615 cubed (428678189615³) is 78776043335671393783045578581183375
• The square root of 428678189615 is 654735.2057244211
• The cube root of 428678189615 is 7540.1004098797

Scales and comparisons

• 428,678,189,615 seconds is equal to 13,630 years, 33 weeks, 2 days, 2 hours, 53 minutes, 35 seconds.
• To count from 1 to 428,678,189,615 would take you about twenty-seven thousand, two hundred sixty-one 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 428678189615 cubic inches would be around 628.3 feet tall.

Recreational maths with 428678189615

• 428678189615 backwards is 516981876824
• 428678189615 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 428678189615's digits is 65
• More coming soon!