820539809019

Names of 820539809019

• Cardinal: 820539809019 can be written as Eight hundred twenty billion, five hundred thirty-nine million, eight hundred nine thousand and nineteen.

Scientific notation

• Scientific notation: 8.20539809019 × 10¹¹

Factors of 820539809019

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 697

Divisors of 820539809019

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 7 9 21 27 61 63 79 81 183 189 237 243 427 547 549 553 567 711 729 1281 1641 1647 1659 1701 2133 3721 3829 3843 4819 4923 4941 4977 5103 6399 11163 11487 11529 14457 14769 14823 14931 19197 26047 33367 33489 33733 34461 34587 43213 43371 44307 44469 44793 57591 78141 100101 100467 101199 103383 103761 129639 130113 132921 134379 233569 234423 293959 300303 301401 302491 303597 310149 311283 388917 390339 398763 403137 700707 703269 881877 900909 904203 907473 910791 930447 1166751 1171017 2035387 2057713 2102121 2109807 2635993 2645631 2702727 2712609 2722419 2732373 2791341 3500253 3513051 6106161 6173139 6306363 6329421 7907979 7936893 8108181 8167257 8197119 10500759 14247709 18318483 18451951 18519417 18919089 18988263 23723937 23810679 24324543 24501771 24591357 31502277 42743127 54955449 55355853 55558251 56757267 71171811 71432037 73505313 128229381 160795573 164866347 166067559 166674753 170271801 213515433 214296111 220515939 384688143 482386719 494599041 498202677 500024259 640546299 1125569011 1154064429 1447160157 1483797123 1494608031 1500072777 1921638897 3376707033 3462193287 4341480471 4483824093 10130121099 10386579861 13024441413 13451472279 30390363297 39073324239 91171089891 117219972717 273513269673 820539809019
• Sum of all divisors σ(n): 1450163719680
• Sum of proper divisors (its aliquot sum) s(n): 629623910661
• 820539809019 is a deficient number, because the sum of its proper divisors (629623910661) is less than itself. Its deficiency is 190915898358

Bases of 820539809019

• Binary: 1011111100001011111110111101110011111011₂
• Hexadecimal: 0xBF0BFBDCFB
• Base-36: AGY87SOR

Squares and roots of 820539809019

• 820539809019 squared (820539809019²) is 673285578184936993742361
• 820539809019 cubed (820539809019³) is 552457619739115193507904893030153859
• The square root of 820539809019 is 905836.5244452225
• The cube root of 820539809019 is 9361.9550585121

Scales and comparisons

• 820,539,809,019 seconds is equal to 26,090 years, 32 weeks, 4 days, 12 hours, 43 minutes, 39 seconds.
• To count from 1 to 820,539,809,019 would take you about fifty-two thousand, one hundred eighty-one 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 820539809019 cubic inches would be around 780.2 feet tall.

Recreational maths with 820539809019

• 820539809019 backwards is 910908935028
• The number of decimal digits it has is: 12
• The sum of 820539809019's digits is 54
• More coming soon!