521990409449691

Names of 521990409449691

• Cardinal: 521990409449691 can be written as Five hundred twenty-one trillion, nine hundred ninety billion, four hundred nine million, four hundred forty-nine thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 5.21990409449691 × 10¹⁴

Factors of 521990409449691

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 394318

Divisors of 521990409449691

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 17 21 39 51 63 91 117 119 153 221 273 357 663 819 1071 1547 1989 4641 13923 160091 234187 480273 702561 1120637 1440819 1639309 2081183 2107683 2721547 3044431 3361911 3981179 4917927 6243549 8164641 9133293 10085733 11943537 14568281 14753781 18730647 19050829 21311017 24493923 27399879 27868253 35380111 35830611 43704843 51755327 57152487 63933051 83604759 106140333 131114529 155265981 171457461 191799153 247660777 250814277 318420999 362287289 465797943 742982331 1086861867 2228946993 3260585601 37491231017 112473693051 262438617119 337421079153 487386003221 637350927289 787315851357 1462158009663 1912052781867 2361947554071 3411702022547 4386474028989 4461456491023 5736158345601 8285562054757 10235106067641 13384369473069 24856686164271 30705318202923 40153108419207 57998934383299 74570058492813 173996803149897 521990409449691
• Sum of all divisors σ(n): 982580515757568
• Sum of proper divisors (its aliquot sum) s(n): 460590106307877
• 521990409449691 is a deficient number, because the sum of its proper divisors (460590106307877) is less than itself. Its deficiency is 61400303141814

Bases of 521990409449691

• Binary: 1110110101011111101011100111011100111000011011011₂
• Hexadecimal: 0x1DABF5CEE70DB
• Base-36: 551330E5SR

Squares and roots of 521990409449691

• 521990409449691 squared (521990409449691²) is 272473987557456059229459995481
• 521990409449691 cubed (521990409449691³) is 142228808329506499295414020621220436556846371
• The square root of 521990409449691 is 22847109.4331359783
• The cube root of 521990409449691 is 80516.9857010995

Scales and comparisons

• 521,990,409,449,691 seconds is equal to 16,597,680 years, 20 weeks, 4 days, 22 hours, 14 minutes, 51 seconds.
• To count from 1 to 521,990,409,449,691 would take you about forty-one million, four hundred ninety-four thousand, two hundred 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 521990409449691 cubic inches would be around 6709.7 feet tall.

Recreational maths with 521990409449691

• 521990409449691 backwards is 196944904099125
• The number of decimal digits it has is: 15
• The sum of 521990409449691's digits is 72
• More coming soon!