40408439309840

Names of 40408439309840

• Cardinal: 40408439309840 can be written as Forty trillion, four hundred eight billion, four hundred thirty-nine million, three hundred nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.040843930984 × 10¹³

Factors of 40408439309840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2488204434

Divisors of 40408439309840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 112 116 140 145 203 232 280 290 406 464 560 580 812 1015 1160 1624 2030 2320 3248 4060 8120 16240 2488204391 4976408782 9952817564 12441021955 17417430737 19905635128 24882043910 34834861474 39811270256 49764087820 69669722948 72157927339 87087153685 99528175640 139339445896 144315854678 174174307370 199056351280 278678891792 288631709356 348348614740 360789636695 505105491373 577263418712 696697229480 721579273390 1010210982746 1154526837424 1393394458960 1443158546780 2020421965492 2525527456865 2886317093560 4040843930984 5051054913730 5772634187120 8081687861968 10102109827460 20204219654920 40408439309840
• Sum of all divisors σ(n): 111073444058880
• Sum of proper divisors (its aliquot sum) s(n): 70665004749040
• 40408439309840 is an abundant number, because the sum of its proper divisors (70665004749040) is greater than itself. Its abundance is 30256565439200

Bases of 40408439309840

• Binary: 1001001100000001010010101010111100011000010000₂
• Hexadecimal: 0x24C052ABC610
• Base-36: EBNDPG7BK

Squares and roots of 40408439309840

• 40408439309840 squared (40408439309840²) is 1632841967457022575520825600
• 40408439309840 cubed (40408439309840³) is 65980595544546837061440049286611003904000
• The square root of 40408439309840 is 6356763.2730690861
• The cube root of 40408439309840 is 34315.5285335385

Scales and comparisons

• 40,408,439,309,840 seconds is equal to 1,284,863 years, 19 weeks, 4 days, 18 hours, 57 minutes, 20 seconds.
• To count from 1 to 40,408,439,309,840 would take you about three million, two hundred twelve thousand, one hundred fifty-eight 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 40408439309840 cubic inches would be around 2859.6 feet tall.

Recreational maths with 40408439309840

• 40408439309840 backwards is 04890393480404
• 40408439309840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 40408439309840's digits is 56
• More coming soon!