428146291987855120

Names of 428146291987855120

• Cardinal: 428146291987855120 can be written as Four hundred twenty-eight quadrillion, one hundred forty-six trillion, two hundred ninety-one billion, nine hundred eighty-seven million, eight hundred fifty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 4.2814629198785512 × 10¹⁷

Factors of 428146291987855120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 64479863251273

Divisors of 428146291987855120

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 83 166 332 415 664 830 1328 1660 3320 6640 64479863251183 128959726502366 257919453004732 322399316255915 515838906009464 644798632511830 1031677812018928 1289597265023660 2579194530047320 5158389060094640 5351828649848189 10703657299696378 21407314599392756 26759143249240945 42814629198785512 53518286498481890 85629258397571024 107036572996963780 214073145993927560 428146291987855120
• Sum of all divisors σ(n): 1007433383436498816
• Sum of proper divisors (its aliquot sum) s(n): 579287091448643696
• 428146291987855120 is an abundant number, because the sum of its proper divisors (579287091448643696) is greater than itself. Its abundance is 151140799460788576

Bases of 428146291987855120

• Binary: 10111110001000101001100100010111101110101100011011100010000₂
• Hexadecimal: 0x5F114C8BDD63710
• Base-36: 393P6Z8FW9HS

Squares and roots of 428146291987855120

• 428146291987855120 squared (428146291987855120²) is 183309247342949693322577578110214400
• 428146291987855120 cubed (428146291987855120³) is 78483174536968494726728307078789156708165619337728000
• The square root of 428146291987855120 is 654328886.7135968957
• The cube root of 428146291987855120 is 753698.0570408217

Scales and comparisons

• 428,146,291,987,855,120 seconds is equal to 13,613,727,741 years, 40 weeks, 3 days, 13 hours, 58 minutes, 40 seconds.
• To count from 1 to 428,146,291,987,855,120 would take you about forty billion, eight hundred forty-one million, one hundred eighty-three thousand, two hundred twenty-five 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 428146291987855120 cubic inches would be around 62808.2 feet tall.

Recreational maths with 428146291987855120

• 428146291987855120 backwards is 021558789192641824
• The number of decimal digits it has is: 18
• The sum of 428146291987855120's digits is 82
• More coming soon!