18091824201

Names of 18091824201

• Cardinal: 18091824201 can be written as Eighteen billion, ninety-one million, eight hundred twenty-four thousand, two hundred one.

Scientific notation

• Scientific notation: 1.8091824201 × 10¹⁰

Factors of 18091824201

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9201

Divisors of 18091824201

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 11 17 27 33 51 99 153 187 297 409 459 561 1227 1683 3681 4499 5049 6953 8761 11043 13497 20859 26283 40491 62577 76483 78849 96371 121473 148937 187731 229449 236547 289113 446811 688347 867339 1340433 1638307 2065041 2602017 3583249 4021299 4914921 10749747 14744763 32249241 39415739 44234289 60915233 96747723 118247217 182745699 354741651 548237097 670067563 1064224953 1644711291 2010202689 6030608067 18091824201
• Sum of all divisors σ(n): 31038508800
• Sum of proper divisors (its aliquot sum) s(n): 12946684599
• 18091824201 is a deficient number, because the sum of its proper divisors (12946684599) is less than itself. Its deficiency is 5145139602

Bases of 18091824201

• Binary: 10000110110010110110101010001001001₂
• Hexadecimal: 0x4365B5449
• Base-36: 8B7EKW9

Squares and roots of 18091824201

• 18091824201 squared (18091824201²) is 327314102919889288401
• 18091824201 cubed (18091824201³) is 5921709208534657792133880392601
• The square root of 18091824201 is 134505.8519210223
• The cube root of 18091824201 is 2625.1902725753

Scales and comparisons

• 18,091,824,201 seconds is equal to 575 years, 13 weeks, 5 days, 2 hours, 43 minutes, 21 seconds.
• To count from 1 to 18,091,824,201 would take you about one thousand, one hundred fifty 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 18091824201 cubic inches would be around 218.8 feet tall.

Recreational maths with 18091824201

• 18091824201 backwards is 10242819081
• The number of decimal digits it has is: 11
• The sum of 18091824201's digits is 36
• More coming soon!