990849112491

Names of 990849112491

• Cardinal: 990849112491 can be written as Nine hundred ninety billion, eight hundred forty-nine million, one hundred twelve thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 9.90849112491 × 10¹¹

Factors of 990849112491

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 121514

Divisors of 990849112491

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 19 21 37 49 57 79 111 133 147 237 259 399 553 703 777 931 1501 1659 1813 2109 2793 2923 3871 4503 4921 5439 8769 10507 11613 14763 20461 31521 34447 55537 61383 73549 103341 121369 143227 166611 220647 364107 388759 429681 849583 1166277 2306011 2548749 2721313 4490653 5947081 6918033 8163939 9588151 13471959 16142077 17841243 28764453 31434571 48426231 67117057 85322407 94303713 112994539 182174869 201351171 220041997 255967221 338983617 354761587 469819399 546524607 597256849 660125991 1064284761 1275224083 1409458197 1791770547 2483331109 3825672249 4180797943 6740470153 7449993327 8926568581 12542393829 17383317763 20221410459 26779705743 47183291071 52149953289 141549873213 330283037497 990849112491
• Sum of all divisors σ(n): 1682479488000
• Sum of proper divisors (its aliquot sum) s(n): 691630375509
• 990849112491 is a deficient number, because the sum of its proper divisors (691630375509) is less than itself. Its deficiency is 299218736982

Bases of 990849112491

• Binary: 1110011010110011001101011001100110101011₂
• Hexadecimal: 0xE6B33599AB
• Base-36: CN6TZ8A3

Squares and roots of 990849112491

• 990849112491 squared (990849112491²) is 981781963724202372225081
• 990849112491 cubed (990849112491³) is 972797787415797077616098337740586771
• The square root of 990849112491 is 995414.0407343067
• The cube root of 990849112491 is 9969.4035226699

Scales and comparisons

• 990,849,112,491 seconds is equal to 31,505 years, 48 weeks, 5 days, 34 minutes, 51 seconds.
• To count from 1 to 990,849,112,491 would take you about sixty-three thousand and 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 990849112491 cubic inches would be around 830.8 feet tall.

Recreational maths with 990849112491

• 990849112491 backwards is 194211948099
• 990849112491 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990849112491's digits is 57
• More coming soon!