3990897794987999

Names of 3990897794987999

• Cardinal: 3990897794987999 can be written as Three quadrillion, nine hundred ninety trillion, eight hundred ninety-seven billion, seven hundred ninety-four million, nine hundred eighty-seven thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 3.990897794987999 × 10¹⁵

Factors of 3990897794987999

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13832

Divisors of 3990897794987999

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 149 239 1043 1193 1217 1673 8351 8519 11027 35611 77189 177757 181333 249277 285127 290863 1244299 1269331 1451881 1643023 1995889 2036041 2635453 10163167 11501161 13155211 13419859 18448171 42483923 43338587 92086477 93939013 216330269 297387461 303370109 346999559 392682497 1514311883 1960126439 1999558991 2428996913 2748777479 3144095429 3207346301 13720885073 13996912937 16009891787 22008668003 22451424107 51702934291 112069242509 361920540037 468470218921 477894598849 2385473876263 3279291532447 3345262191943 3826364137093 16698317133841 26784548959651 570128256426857 3990897794987999
• Sum of all divisors σ(n): 4618924466688000
• Sum of proper divisors (its aliquot sum) s(n): 628026671700001
• 3990897794987999 is a deficient number, because the sum of its proper divisors (628026671700001) is less than itself. Its deficiency is 3362871123287998

Bases of 3990897794987999

• Binary: 1110001011011011001101001101011001111011011111011111₂
• Hexadecimal: 0xE2DB34D67B7DF
• Base-36: 13ANL4X7HZZ

Squares and roots of 3990897794987999

• 3990897794987999 squared (3990897794987999²) is 15927265210040072496124554024001
• 3990897794987999 cubed (3990897794987999³) is 63564087606937994076637937789717977204952963999
• The square root of 3990897794987999 is 63173552.9710653443
• The cube root of 3990897794987999 is 158619.6066685953

Scales and comparisons

• 3,990,897,794,987,999 seconds is equal to 126,898,205 years, 11 weeks, 4 days, 5 hours, 59 minutes, 59 seconds.
• To count from 1 to 3,990,897,794,987,999 would take you about three hundred eighty million, six hundred ninety-four thousand, six hundred fifteen 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 3990897794987999 cubic inches would be around 13218.3 feet tall.

Recreational maths with 3990897794987999

• 3990897794987999 backwards is 9997894977980993
• The number of decimal digits it has is: 16
• The sum of 3990897794987999's digits is 116
• More coming soon!