18320133447

Names of 18320133447

• Cardinal: 18320133447 can be written as Eighteen billion, three hundred twenty million, one hundred thirty-three thousand, four hundred forty-seven.

Scientific notation

• Scientific notation: 1.8320133447 × 10¹⁰

Factors of 18320133447

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14153

Divisors of 18320133447

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 11 21 27 33 63 77 81 99 189 211 231 297 567 633 693 891 1477 1899 2079 2321 4431 5697 6237 6963 13293 13921 16247 17091 20889 39879 41763 48741 62667 97447 119637 125289 146223 153131 188001 292341 375867 438669 459393 877023 1071917 1127601 1316007 1378179 2631069 2937331 3215751 4134537 7893207 8811993 9647253 12403611 20561317 26435979 28941759 32310641 61683951 79307937 86825277 96931923 185051853 226174487 237923811 290795769 555155559 678523461 872387307 1665466677 2035570383 2617161921 6106711149 18320133447
• Sum of all divisors σ(n): 34284205824
• Sum of proper divisors (its aliquot sum) s(n): 15964072377
• 18320133447 is a deficient number, because the sum of its proper divisors (15964072377) is less than itself. Its deficiency is 2356061070

Bases of 18320133447

• Binary: 10001000011111101110000110101000111₂
• Hexadecimal: 0x443F70D47
• Base-36: 8EZC1FR

Squares and roots of 18320133447

• 18320133447 squared (18320133447²) is 335627289515888101809
• 18320133447 cubed (18320133447³) is 6148736732385974051860402105623
• The square root of 18320133447 is 135351.8874896099
• The cube root of 18320133447 is 2636.1869812073

Scales and comparisons

• 18,320,133,447 seconds is equal to 582 years, 27 weeks, 1 day, 13 hours, 57 minutes, 27 seconds.
• To count from 1 to 18,320,133,447 would take you about one thousand, one hundred sixty-five 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 18320133447 cubic inches would be around 219.7 feet tall.

Recreational maths with 18320133447

• 18320133447 backwards is 74433102381
• The number of decimal digits it has is: 11
• The sum of 18320133447's digits is 36
• More coming soon!