20400874338440

Names of 20400874338440

• Cardinal: 20400874338440 can be written as Twenty trillion, four hundred billion, eight hundred seventy-four million, three hundred thirty-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.040087433844 × 10¹³

Factors of 20400874338440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 233633570

Divisors of 20400874338440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 37 40 59 74 118 148 185 236 295 296 370 472 590 740 1180 1480 2183 2360 4366 8732 10915 17464 21830 43660 87320 233633467 467266934 934533868 1168167335 1869067736 2336334670 4672669340 8644438279 9345338680 13784374553 17288876558 27568749106 34577753116 43222191395 55137498212 68921872765 69155506232 86444382790 110274996424 137843745530 172888765580 275687491060 345777531160 510021858461 551374982120 1020043716922 2040087433844 2550109292305 4080174867688 5100218584610 10200437169220 20400874338440
• Sum of all divisors σ(n): 47941587633600
• Sum of proper divisors (its aliquot sum) s(n): 27540713295160
• 20400874338440 is an abundant number, because the sum of its proper divisors (27540713295160) is greater than itself. Its abundance is 7139838956720

Bases of 20400874338440

• Binary: 100101000110111110010110111100011100010001000₂
• Hexadecimal: 0x128DF2DE3888
• Base-36: 78C15UGLK

Squares and roots of 20400874338440

• 20400874338440 squared (20400874338440²) is 416195673772819707661633600
• 20400874338440 cubed (20400874338440³) is 8490755640841663312394923568769675584000
• The square root of 20400874338440 is 4516732.7061095837
• The cube root of 20400874338440 is 27324.3345209677

Scales and comparisons

• 20,400,874,338,440 seconds is equal to 648,684 years, 36 weeks, 2 days, 18 hours, 27 minutes, 20 seconds.
• To count from 1 to 20,400,874,338,440 would take you about one million, six hundred twenty-one thousand, seven hundred eleven 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 20400874338440 cubic inches would be around 2277 feet tall.

Recreational maths with 20400874338440

• 20400874338440 backwards is 04483347800402
• The number of decimal digits it has is: 14
• The sum of 20400874338440's digits is 47
• More coming soon!