72489279009

Names of 72489279009

• Cardinal: 72489279009 can be written as Seventy-two billion, four hundred eighty-nine million, two hundred seventy-nine thousand and nine.

Scientific notation

• Scientific notation: 7.2489279009 × 10¹⁰

Factors of 72489279009

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 581

Divisors of 72489279009

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 19 21 23 31 49 57 69 89 93 133 147 161 217 267 399 409 437 483 589 623 651 713 931 1127 1227 1311 1519 1691 1767 1869 2047 2139 2759 2793 2863 3059 3381 4123 4361 4557 4991 5073 6141 7771 8277 8589 9177 9407 11837 12369 12679 13083 13547 14329 14973 19313 20041 21413 23313 28221 28861 34937 35511 36401 38037 38893 40641 42987 52421 54397 57939 60123 63457 64239 65849 82859 86583 88753 94829 100303 104811 109203 116679 135191 157263 163191 178733 190371 197547 240901 248577 254807 266259 272251 284487 291617 300909 366947 380779 405573 444199 460943 536199 621271 663803 691619 722703 764421 816753 837223 874851 1100841 1128431 1142337 1205683 1251131 1332597 1382829 1686307 1783649 1863813 1905757 1991409 2041319 2074857 2511669 2568629 3109393 3385293 3617049 3753393 4841333 5058921 5350947 5540723 5717271 5860561 6123957 7705887 7899017 8439781 8757917 9328179 11804149 14289233 14523999 15907237 16622169 17581683 21440189 23697051 25319343 25953913 26273751 33889331 35412447 38785061 41023927 42867699 47721711 55293119 59078467 64320567 77861739 101667993 111350659 116355183 123071781 150081323 165879357 177235401 181677391 271495427 334051977 450243969 493124347 545032173 779454613 814486281 1050569261 1271741737 1479373041 2338363839 3151707783 3451870429 3815225211 10355611287 24163093003 72489279009
• Sum of all divisors σ(n): 129226752000
• Sum of proper divisors (its aliquot sum) s(n): 56737472991
• 72489279009 is a deficient number, because the sum of its proper divisors (56737472991) is less than itself. Its deficiency is 15751806018

Bases of 72489279009

• Binary: 1000011100000101100101001111000100001₂
• Hexadecimal: 0x10E0B29E21
• Base-36: XAU8TNL

Squares and roots of 72489279009

• 72489279009 squared (72489279009²) is 5254695571244648022081
• 72489279009 cubed (72489279009³) is 380909093371309927870629601797729
• The square root of 72489279009 is 269238.3312401857
• The cube root of 72489279009 is 4169.5699113615

Scales and comparisons

• 72,489,279,009 seconds is equal to 2,304 years, 48 weeks, 4 days, 6 hours, 50 minutes, 9 seconds.
• To count from 1 to 72,489,279,009 would take you about four thousand, six hundred nine 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 72489279009 cubic inches would be around 347.5 feet tall.

Recreational maths with 72489279009

• 72489279009 backwards is 90097298427
• 72489279009 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72489279009's digits is 57
• More coming soon!