20399908743720

Names of 20399908743720

• Cardinal: 20399908743720 can be written as Twenty trillion, three hundred ninety-nine billion, nine hundred eight million, seven hundred forty-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.039990874372 × 10¹³

Factors of 20399908743720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4319313

Divisors of 20399908743720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 132 165 180 198 220 264 330 360 396 440 495 660 792 990 1193 1320 1980 2386 3579 3960 4772 5965 7158 9544 10737 11930 13123 14316 17895 21474 23860 26246 28632 35790 39369 42948 47720 52492 53685 65615 71580 78738 85896 104984 107370 118107 131230 143160 157476 196845 214740 236214 262460 314952 393690 429480 472428 524920 590535 787380 944856 1181070 1574760 2362140 4318099 4724280 8636198 12954297 17272396 21590495 25908594 34544792 38862891 43180990 47499089 51817188 64771485 77725782 86361980 94998178 103634376 129542970 142497267 155451564 172723960 189996356 194314455 237495445 259085940 284994534 310903128 379992712 388628910 427491801 474990890 518171880 569989068 712486335 777257820 854983602 949981780 1139978136 1424972670 1554515640 1709967204 1899963560 2137459005 2849945340 3419934408 4274918010 5151492107 5699890680 8549836020 10302984214 15454476321 17099672040 20605968428 25757460535 30908952642 41211936856 46363428963 51514921070 56666413177 61817905284 77272381605 92726857926 103029842140 113332826354 123635810568 154544763210 169999239531 185453715852 206059684280 226665652708 231817144815 283332065885 309089526420 339998479062 370907431704 453331305416 463634289630 509997718593 566664131770 618179052840 679996958124 849996197655 927268579260 1019995437186 1133328263540 1359993916248 1699992395310 1854537158520 2039990874372 2266656527080 2549988592965 3399984790620 4079981748744 5099977185930 6799969581240 10199954371860 20399908743720
• Sum of all divisors σ(n): 72387592056000
• Sum of proper divisors (its aliquot sum) s(n): 51987683312280
• 20399908743720 is an abundant number, because the sum of its proper divisors (51987683312280) is greater than itself. Its abundance is 31587774568560

Bases of 20399908743720

• Binary: 100101000110110111001010100000110101000101000₂
• Hexadecimal: 0x128DB9506A28
• Base-36: 78BL6YEY0

Squares and roots of 20399908743720

• 20399908743720 squared (20399908743720²) is 416156276752103708639438400
• 20399908743720 cubed (20399908743720³) is 8489550068869200608777918720990326848000
• The square root of 20399908743720 is 4516625.8140031923
• The cube root of 20399908743720 is 27323.9034177221

Scales and comparisons

• 20,399,908,743,720 seconds is equal to 648,653 years, 51 weeks, 5 days, 21 hours, 42 minutes.
• To count from 1 to 20,399,908,743,720 would take you about one million, six hundred twenty-one thousand, six hundred thirty-four 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 20399908743720 cubic inches would be around 2277 feet tall.

Recreational maths with 20399908743720

• 20399908743720 backwards is 02734780999302
• The number of decimal digits it has is: 14
• The sum of 20399908743720's digits is 63
• More coming soon!