428378995755

Names of 428378995755

• Cardinal: 428378995755 can be written as Four hundred twenty-eight billion, three hundred seventy-eight million, nine hundred ninety-five thousand, seven hundred fifty-five.

Scientific notation

• Scientific notation: 4.28378995755 × 10¹¹

Factors of 428378995755

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 58297

Divisors of 428378995755

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 15 45 59 177 295 531 885 2655 2917 8751 14585 26253 43755 55313 131265 165939 172103 276565 497817 516309 829695 860515 1548927 2489085 2581545 3263467 7744635 9790401 16317335 29371203 48952005 146856015 161348021 484044063 806740105 1452132189 2420220315 7260660945 9519533239 28558599717 47597666195 85675799151 142792998585 428378995755
• Sum of all divisors σ(n): 755381259360
• Sum of proper divisors (its aliquot sum) s(n): 327002263605
• 428378995755 is a deficient number, because the sum of its proper divisors (327002263605) is less than itself. Its deficiency is 101376732150

Bases of 428378995755

• Binary: 110001110111101011000001011110000101011₂
• Hexadecimal: 0x63BD60BC2B
• Base-36: 5GSLSKKR

Squares and roots of 428378995755

• 428378995755 squared (428378995755²) is 183508564004062308020025
• 428378995755 cubed (428378995755³) is 78611214360502353250065791929993875
• The square root of 428378995755 is 654506.6812149435
• The cube root of 428378995755 is 7538.3458094605

Scales and comparisons

• 428,378,995,755 seconds is equal to 13,621 years, 6 weeks, 4 days, 5 hours, 29 minutes, 15 seconds.
• To count from 1 to 428,378,995,755 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 428378995755 cubic inches would be around 628.2 feet tall.

Recreational maths with 428378995755

• 428378995755 backwards is 557599873824
• The number of decimal digits it has is: 12
• The sum of 428378995755's digits is 72
• More coming soon!