138840091875

Names of 138840091875

• Cardinal: 138840091875 can be written as One hundred thirty-eight billion, eight hundred forty million, ninety-one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.38840091875 × 10¹¹

Factors of 138840091875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 191

Divisors of 138840091875

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 9 15 25 27 29 45 53 75 87 101 125 135 145 159 225 261 265 303 375 435 477 505 625 675 725 783 795 909 1125 1305 1325 1431 1515 1537 1875 2175 2385 2525 2727 2809 2929 3375 3625 3915 3975 4545 4611 5353 5625 6525 6625 7155 7575 7685 8427 8787 10875 11925 12625 13635 13833 14045 14645 16059 16875 18125 19575 19875 22725 23055 25281 26361 26765 32625 33125 35775 37875 38425 41499 42135 43935 48177 54375 59625 63125 68175 69165 70225 73225 75843 79083 80295 81461 97875 99375 113625 115275 126405 131805 133825 144531 155237 163125 178875 189375 192125 207495 210675 219675 240885 244383 283709 298125 340875 345825 351125 366125 379215 395415 401475 407305 465711 489375 568125 576375 632025 659025 669125 722655 733149 776185 851127 894375 960625 1037475 1053375 1098375 1204425 1221915 1397133 1418545 1704375 1729125 1755625 1830625 1896075 1977075 2007375 2036525 2199447 2328555 2553381 2881875 3160125 3295125 3345625 3613275 3665745 3880925 4191399 4255635 5187375 5266875 5491875 6022125 6109575 6985665 7092725 7660143 8227561 8645625 9480375 9885375 10036875 10182625 10997235 11642775 12766905 15800625 16475625 18066375 18328725 19404625 20956995 21278175 24682683 25936875 30110625 30547875 34928325 35463625 38300715 41137805 47401875 49426875 50913125 54986175 58213875 63834525 74048049 90331875 91643625 97023125 104784975 106390875 123413415 152739375 174641625 177318125 191503575 205689025 222144147 274930875 291069375 319172625 370240245 458218125 523924875 531954375 617067075 873208125 957517875 1028445125 1110720735 1374654375 1595863125 1851201225 2619624375 3085335375 4787589375 5142225625 5553603675 9256006125 15426676875 27768018375 46280030625 138840091875
• Sum of all divisors σ(n): 273686767200
• Sum of proper divisors (its aliquot sum) s(n): 134846675325
• 138840091875 is a deficient number, because the sum of its proper divisors (134846675325) is less than itself. Its deficiency is 3993416550

Bases of 138840091875

• Binary: 10000001010011100000111010110011100011₂
• Hexadecimal: 0x205383ACE3
• Base-36: 1RS5T0IR

Squares and roots of 138840091875

• 138840091875 squared (138840091875²) is 19276571111858441015625
• 138840091875 cubed (138840091875³) is 2676360904205396852603643310546875
• The square root of 138840091875 is 372612.5224344989
• The cube root of 138840091875 is 5178.1142775433

Scales and comparisons

• 138,840,091,875 seconds is equal to 4,414 years, 35 weeks, 4 days, 12 hours, 11 minutes, 15 seconds.
• To count from 1 to 138,840,091,875 would take you about eight thousand, eight hundred twenty-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 138840091875 cubic inches would be around 431.5 feet tall.

Recreational maths with 138840091875

• 138840091875 backwards is 578190048831
• The number of decimal digits it has is: 12
• The sum of 138840091875's digits is 54
• More coming soon!