72139634775

Names of 72139634775

• Cardinal: 72139634775 can be written as Seventy-two billion, one hundred thirty-nine million, six hundred thirty-four thousand, seven hundred seventy-five.

Scientific notation

• Scientific notation: 7.2139634775 × 10¹⁰

Factors of 72139634775

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 234

Divisors of 72139634775

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 5 9 13 15 25 27 39 43 45 65 73 75 81 97 117 129 135 195 215 219 225 243 291 325 351 365 387 405 485 559 585 645 657 675 729 873 949 975 1053 1075 1095 1161 1215 1261 1455 1677 1755 1825 1935 1971 2025 2425 2619 2795 2847 2925 3139 3159 3225 3285 3483 3645 3783 4171 4365 4745 5031 5265 5475 5805 5913 6075 6305 7081 7275 7857 8385 8541 8775 9417 9477 9675 9855 10449 11349 12513 13095 13975 14235 15093 15695 15795 16425 17415 17739 18225 18915 20855 21243 21825 23571 23725 25155 25623 26325 28251 29025 29565 31347 31525 34047 35405 37539 39285 40807 41925 42705 45279 47085 47385 49275 52245 53217 54223 56745 62565 63729 65475 70713 71175 75465 76869 78475 78975 84753 87075 88695 92053 94575 102141 104275 106215 112617 117855 122421 125775 128115 135837 141255 147825 156735 162669 170235 177025 187695 191187 196425 204035 213525 226395 230607 235425 236925 254259 261225 266085 271115 276159 283725 304483 306423 312825 318645 337851 353565 367263 377325 384345 407511 423765 443475 460265 488007 510705 531075 563085 573561 589275 612105 640575 679185 691821 706275 762777 783675 813345 828477 851175 913449 919269 938475 955935 1013553 1020175 1101789 1131975 1153035 1271295 1330425 1355575 1380795 1464021 1522415 1532115 1593225 1689255 1720683 1767825 1836315 1921725 2037555 2118825 2288331 2301325 2440035 2485431 2553525 2740347 2815425 2867805 3040659 3060525 3305367 3395925 3459105 3813885 3958279 4066725 4142385 4392063 4567245 4596345 4779675 5067765 5162049 5508945 5765175 6356475 6903975 7320105 7456293 7612075 7660575 8221041 8446275 8603415 9181575 9916101 10187775 11441655 11874837 12200175 12427155 13176189 13701735 14339025 15203295 16526835 17295525 19069425 19791395 20711925 21960315 22368879 22836225 22981725 24663123 25338825 25810245 27544725 29748303 35624511 36600525 37281465 39528567 41105205 43017075 49580505 57208275 59374185 62135775 65880945 67106637 68508675 73989369 76016475 82634175 98956975 106873533 109801575 111844395 123315615 129051225 148741515 178122555 186407325 197642835 205526025 221968107 247902525 296870925 320620599 329404725 335533185 369946845 534367665 559221975 616578075 743707575 890612775 961861797 988214175 1109840535 1603102995 1677665925 1849734225 2671838325 2885585391 4809308985 5549202675 8015514975 14427926955 24046544925 72139634775
• Sum of all divisors σ(n): 151363221856
• Sum of proper divisors (its aliquot sum) s(n): 79223587081
• 72139634775 is an abundant number, because the sum of its proper divisors (79223587081) is greater than itself. Its abundance is 7083952306

Bases of 72139634775

• Binary: 1000011001011110110110111100001010111₂
• Hexadecimal: 0x10CBDB7857
• Base-36: X522QFR

Squares and roots of 72139634775

• 72139634775 squared (72139634775²) is 5204126905470389300625
• 72139634775 cubed (72139634775³) is 375423814283384833724155179234375
• The square root of 72139634775 is 268588.2253096737
• The cube root of 72139634775 is 4162.8552801207

Scales and comparisons

• 72,139,634,775 seconds is equal to 2,293 years, 42 weeks, 3 days, 11 hours, 26 minutes, 15 seconds.
• To count from 1 to 72,139,634,775 would take you about four thousand, five hundred eighty-seven 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 72139634775 cubic inches would be around 346.9 feet tall.

Recreational maths with 72139634775

• 72139634775 backwards is 57743693127
• The number of decimal digits it has is: 11
• The sum of 72139634775's digits is 54
• More coming soon!