20659995018720

Names of 20659995018720

• Cardinal: 20659995018720 can be written as Twenty trillion, six hundred fifty-nine billion, nine hundred ninety-five million, eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.065999501872 × 10¹³

Factors of 20659995018720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4809847

Divisors of 20659995018720

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 72 76 80 90 95 96 114 120 144 152 157 160 171 180 190 228 240 285 288 304 314 342 360 380 456 471 480 570 608 628 684 720 760 785 855 912 942 1140 1256 1368 1413 1440 1520 1570 1710 1824 1884 2280 2355 2512 2736 2826 2983 3040 3140 3420 3768 4560 4710 5024 5472 5652 5966 6280 6840 7065 7536 8949 9120 9420 11304 11932 12560 13680 14130 14915 15072 17898 18840 22608 23864 25120 26847 27360 28260 29830 35796 37680 44745 45216 47728 53694 56520 59660 71592 75360 89490 95456 107388 113040 119320 134235 143184 178980 214776 226080 238640 268470 286368 357960 429552 477280 536940 715920 859104 1073880 1431840 2147760 4295520 4809661 9619322 14428983 19238644 24048305 28857966 38477288 43286949 48096610 57715932 72144915 76954576 86573898 91383559 96193220 115431864 144289830 153909152 173147796 182767118 192386440 216434745 230863728 274150677 288579660 346295592 365534236 384772880 432869490 456917795 461727456 548301354 577159320 692591184 731068472 755116777 769545760 822452031 865738980 913835590 1096602708 1154318640 1370753385 1385182368 1462136944 1510233554 1644904062 1731477960 1827671180 2193205416 2265350331 2308637280 2741506770 2924273888 3020467108 3289808124 3462955920 3655342360 3775583885 4112260155 4386410832 4530700662 5483013540 6040934216 6579616248 6796050993 6925911840 7310684720 7551167770 8224520310 8772821664 9061401324 10966027080 11326751655 12081868432 13159232496 13592101986 14347218763 14621369440 15102335540 16449040620 18122802648 21932054160 22653503310 24163736864 26318464992 27184203972 28694437526 30204671080 32898081240 33980254965 36245605296 43041656289 43864108320 45307006620 54368407944 57388875052 60409342160 65796162480 67960509930 71736093815 72491210592 86083312578 90614013240 108736815888 114777750104 120818684320 129124968867 131592324960 135921019860 143472187630 172166625156 181228026480 215208281445 217473631776 229555500208 258249937734 271842039720 286944375260 344333250312 362456052960 430416562890 459111000416 516499875468 543684079440 573888750520 645624844335 688666500624 860833125780 1032999750936 1087368158880 1147777501040 1291249688670 1377333001248 1721666251560 2065999501872 2295555002080 2582499377340 3443332503120 4131999003744 5164998754680 6886665006240 10329997509360 20659995018720
• Sum of all divisors σ(n): 74685585854880
• Sum of proper divisors (its aliquot sum) s(n): 54025590836160
• 20659995018720 is an abundant number, because the sum of its proper divisors (54025590836160) is greater than itself. Its abundance is 33365595817440

Bases of 20659995018720

• Binary: 100101100101001000111101010100000010111100000₂
• Hexadecimal: 0x12CA47AA05E0
• Base-36: 7BN2JLX40

Squares and roots of 20659995018720

• 20659995018720 squared (20659995018720²) is 426835394173535213150438400
• 20659995018720 cubed (20659995018720³) is 8818417117438625214940570781984206848000
• The square root of 20659995018720 is 4545326.7229892287
• The cube root of 20659995018720 is 27439.5343745273

Scales and comparisons

• 20,659,995,018,720 seconds is equal to 656,923 years, 48 weeks, 4 days, 17 hours, 12 minutes.
• To count from 1 to 20,659,995,018,720 would take you about one million, six hundred forty-two thousand, three hundred nine 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 20659995018720 cubic inches would be around 2286.6 feet tall.

Recreational maths with 20659995018720

• 20659995018720 backwards is 02781059995602
• The number of decimal digits it has is: 14
• The sum of 20659995018720's digits is 63
• More coming soon!