72040394547

Names of 72040394547

• Cardinal: 72040394547 can be written as Seventy-two billion, forty million, three hundred ninety-four thousand, five hundred forty-seven.

Scientific notation

• Scientific notation: 7.2040394547 × 10¹⁰

Factors of 72040394547

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 430

Divisors of 72040394547

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 19 27 33 57 81 99 171 209 243 297 397 513 627 729 891 1191 1539 1881 2187 2673 3573 4367 4617 5643 7543 8019 10719 13101 13851 16929 22629 24057 32157 39303 41553 50787 67887 82973 96471 117909 152361 157609 203661 248919 289413 353727 457083 472827 610983 746757 868239 1061181 1418481 1733699 1832949 2240271 2994571 3183543 4255443 5201097 5498847 6720813 8983713 9550629 12766329 15603291 16496541 20162439 26951139 32940281 38298987 46809873 60487317 80853417 98820843 114896961 140429619 181461951 242560251 296462529 344690883 421288857 727680753 889387587 1263866571 2183042259 2668162761 3791599713 6549126777 8004488283 24013464849 72040394547
• Sum of all divisors σ(n): 124383110400
• Sum of proper divisors (its aliquot sum) s(n): 52342715853
• 72040394547 is a deficient number, because the sum of its proper divisors (52342715853) is less than itself. Its deficiency is 19697678694

Bases of 72040394547

• Binary: 1000011000101111100010010111100110011₂
• Hexadecimal: 0x10C5F12F33
• Base-36: X3EZO6R

Squares and roots of 72040394547

• 72040394547 squared (72040394547²) is 5189818446487427335209
• 72040394547 cubed (72040394547³) is 373876568512252871503449184705323
• The square root of 72040394547 is 268403.4175397177
• The cube root of 72040394547 is 4160.9455010591

Scales and comparisons

• 72,040,394,547 seconds is equal to 2,290 years, 34 weeks, 2 days, 20 hours, 42 minutes, 27 seconds.
• To count from 1 to 72,040,394,547 would take you about four thousand, five 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 72040394547 cubic inches would be around 346.7 feet tall.

Recreational maths with 72040394547

• 72040394547 backwards is 74549304027
• The number of decimal digits it has is: 11
• The sum of 72040394547's digits is 45
• More coming soon!