19640856746940

Names of 19640856746940

• Cardinal: 19640856746940 can be written as Nineteen trillion, six hundred forty billion, eight hundred fifty-six million, seven hundred forty-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.964085674694 × 10¹³

Factors of 19640856746940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4035

Divisors of 19640856746940

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 121 130 132 143 156 165 169 195 220 242 260 286 330 338 363 390 429 484 507 572 605 660 676 715 726 780 845 858 1014 1210 1430 1452 1573 1690 1716 1815 1859 2028 2145 2420 2535 2860 3146 3380 3630 3718 4001 4290 4719 5070 5577 6292 7260 7436 7865 8002 8580 9295 9438 10140 11154 12003 15730 16004 18590 18876 20005 20449 22308 23595 24006 27885 31460 37180 40010 40898 44011 47190 48012 52013 55770 60015 61347 80020 81796 88022 94380 102245 104026 111540 120030 122694 132033 156039 176044 204490 208052 220055 240060 245388 260065 264066 306735 312078 408980 440110 484121 520130 528132 572143 613470 624156 660165 676169 780195 880220 968242 1040260 1144286 1226940 1320330 1352338 1452363 1560390 1716429 1936484 2028507 2288572 2420605 2640660 2704676 2860715 2904726 3120780 3380845 3432858 4057014 4841210 5721430 5809452 6293573 6761690 6865716 7261815 7437859 8114028 8582145 9682420 10142535 11442860 12587146 13523380 14523630 14875718 16008001 17164290 18880719 20285070 22313577 25174292 29047260 29751436 31467865 32016002 34328580 37189295 37761438 40570140 44627154 48024003 62935730 64032004 74378590 75522876 80040005 81816449 89254308 94403595 96048006 111567885 125871460 148757180 160080010 163632898 176088011 188807190 192096012 208104013 223135770 240120015 245449347 320160020 327265796 352176022 377614380 409082245 416208026 446271540 480240030 490898694 528264033 624312039 704352044 818164490 832416052 880440055 960480060 981797388 1040520065 1056528066 1227246735 1248624078 1636328980 1760880110 1936968121 2081040130 2113056132 2289144143 2454493470 2497248156 2641320165 2705352169 3121560195 3521760220 3873936242 4162080260 4578288286 4908986940 5282640330 5410704338 5810904363 6243120390 6867432429 7747872484 8116056507 9156576572 9684840605 10565280660 10821408676 11445720715 11621808726 12486240780 13526760845 13734864858 16232113014 19369681210 22891441430 23243617452 25180585573 27053521690 27469729716 29054521815 29758873859 32464226028 34337162145 38739362420 40580282535 45782882860 50361171146 54107043380 58109043630 59517747718 68674324290 75541756719 81160565070 89276621577 100722342292 116218087260 119035495436 125902927865 137348648580 148794369295 151083513438 162321130140 178553243154 251805855730 297588738590 302167026876 327347612449 357106486308 377708783595 446383107885 503611711460 595177477180 654695224898 755417567190 892766215770 982042837347 1309390449796 1510835134380 1636738062245 1785532431540 1964085674694 3273476124490 3928171349388 4910214186735 6546952248980 9820428373470 19640856746940
• Sum of all divisors σ(n): 65472311690856
• Sum of proper divisors (its aliquot sum) s(n): 45831454943916
• 19640856746940 is an abundant number, because the sum of its proper divisors (45831454943916) is greater than itself. Its abundance is 26190598196976

Bases of 19640856746940

• Binary: 100011101110011111110010010100001101110111100₂
• Hexadecimal: 0x11DCFE4A1BBC
• Base-36: 6YMVUZTTO

Squares and roots of 19640856746940

• 19640856746940 squared (19640856746940²) is 385763253753818519199363600
• 19640856746940 cubed (19640856746940³) is 7576720805212213744605140490014247384000
• The square root of 19640856746940 is 4431800.6212983003
• The cube root of 19640856746940 is 26980.7163390419

Scales and comparisons

• 19,640,856,746,940 seconds is equal to 624,518 years, 25 weeks, 3 days, 20 hours, 49 minutes.
• To count from 1 to 19,640,856,746,940 would take you about one million, five hundred sixty-one thousand, two hundred ninety-six 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 19640856746940 cubic inches would be around 2248.4 feet tall.

Recreational maths with 19640856746940

• 19640856746940 backwards is 04964765804691
• The number of decimal digits it has is: 14
• The sum of 19640856746940's digits is 69
• More coming soon!