138655345725

Names of 138655345725

• Cardinal: 138655345725 can be written as One hundred thirty-eight billion, six hundred fifty-five million, three hundred forty-five thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.38655345725 × 10¹¹

Factors of 138655345725

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3010

Divisors of 138655345725

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 13 15 19 25 27 39 45 57 65 75 95 117 135 171 195 225 247 285 313 325 351 475 513 585 675 741 855 939 975 1235 1425 1565 1755 2223 2565 2657 2817 2925 3705 4069 4275 4695 5947 6175 6669 7825 7971 8451 8775 11115 12207 12825 13285 14085 17841 18525 20345 23475 23913 29735 33345 34541 36621 39855 42255 50483 53523 55575 61035 66425 70425 71739 77311 89205 101725 103623 109863 119565 148675 151449 160569 166725 172705 183105 199275 211275 231933 252415 267615 305175 310869 358695 386555 446025 454347 518115 549315 597825 656279 695799 757245 802845 831641 863525 915525 932607 1159665 1262075 1338075 1363041 1554345 1793475 1932775 1968837 2087397 2271735 2494923 2590575 2746575 3281395 3478995 3786225 4014225 4158205 4663035 5798325 5906511 6815205 7484769 7771725 9844185 10436985 10811333 11358675 12474615 15801179 16406975 17394975 17719533 20791025 22454307 23315175 29532555 32433999 34076025 37423845 47403537 49220925 52184925 54056665 62373075 79005895 88597665 97301997 112271535 142210611 147662775 162169995 187119225 205415327 237017685 270283325 291905991 395029475 426631833 442988325 486509985 561357675 616245981 711053055 810849975 1027076635 1185088425 1459529955 1848737943 2133159165 2432549925 3081229905 3555265275 5135383175 5546213829 7297649775 9243689715 10665795825 15406149525 27731069145 46218448575 138655345725
• Sum of all divisors σ(n): 289777286400
• Sum of proper divisors (its aliquot sum) s(n): 151121940675
• 138655345725 is an abundant number, because the sum of its proper divisors (151121940675) is greater than itself. Its abundance is 12466594950

Bases of 138655345725

• Binary: 10000001001000100000001010110000111101₂
• Hexadecimal: 0x204880AC3D
• Base-36: 1RP3T9H9

Squares and roots of 138655345725

• 138655345725 squared (138655345725²) is 19225304898119275775625
• 138655345725 cubed (138655345725³) is 2665691297317264084955901902953125
• The square root of 138655345725 is 372364.5333876469
• The cube root of 138655345725 is 5175.8165231243

Scales and comparisons

• 138,655,345,725 seconds is equal to 4,408 years, 42 weeks, 1 day, 5 hours, 48 minutes, 45 seconds.
• To count from 1 to 138,655,345,725 would take you about eight thousand, eight hundred seventeen 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 138655345725 cubic inches would be around 431.3 feet tall.

Recreational maths with 138655345725

• 138655345725 backwards is 527543556831
• The number of decimal digits it has is: 12
• The sum of 138655345725's digits is 54
• More coming soon!