138289793771084447745

Names of 138289793771084447745

• Cardinal: 138289793771084447745 can be written as One hundred thirty-eight quintillion, two hundred eighty-nine quadrillion, seven hundred ninety-three trillion, seven hundred seventy-one billion, eighty-four million, four hundred forty-seven thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 1.38289793771084447745 × 10²⁰

Factors of 138289793771084447745

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8913988729198

Divisors of 138289793771084447745

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 11 15 27 31 33 45 55 93 99 135 155 165 279 297 337 341 465 495 837 1011 1023 1395 1485 1685 1705 3033 3069 3707 4185 5055 5115 9099 9207 10447 11121 15165 15345 18535 31341 33363 45495 46035 52235 55605 94023 100089 114917 156705 166815 282069 344751 470115 500445 574585 1034253 1410345 1723755 3102759 5171265 15513795 8913988728811 26741966186433 44569943644055 80225898559299 98053876016921 133709830932165 240677695677897 276333650593141 294161628050763 401129492796495 490269380084605 829000951779423 882484884152289 1203388478389485 1381668252965705 1470808140253815 2487002855338269 2647454652456867 3004014201609307 3039670156524551 4145004758897115 4412424420761445 7461008566014807 9012042604827921 9119010469573653 12435014276691345 13237273262284335 15020071008046535 15198350782622755 27036127814483763 27357031408720959 33044156217702377 37305042830074035 45060213024139605 45595052347868265 81108383443451289 82071094226162877 93124440249888517 99132468653107131 135180639072418815 136785157043604795 165220781088511885 279373320749665551 297397405959321393 405541917217256445 410355471130814385 465622201249442585 495662343265535655 838119962248996653 892192217877964179 1024368842748773687 1396866603748327755 1486987029796606965 2514359886746989959 3073106528246321061 4190599811244983265 4460961089389820895 5121844213743868435 9219319584738963183 12571799433734949795 15365532641231605305 27657958754216889549 46096597923694815915 138289793771084447745
• Sum of all divisors σ(n): 277671462021592104960
• Sum of proper divisors (its aliquot sum) s(n): 139381668250507657215
• 138289793771084447745 is an abundant number, because the sum of its proper divisors (139381668250507657215) is greater than itself. Its abundance is 1091874479423209470

Bases of 138289793771084447745

• Binary: 1110111111100101000000010101011111001111011100001000000000000000001₂
• Hexadecimal: 0x77F280ABE7B840001
• Base-36: T6NSOLS99SWE9

Squares and roots of 138289793771084447745

• 138289793771084447745 squared (138289793771084447745²) is 19124067061249066922921959124211635585025
• 138289793771084447745 cubed (138289793771084447745³) is 2644663289964522474775606540599513706270734033407192117018625
• The square root of 138289793771084447745 is 11759668097.8284607259
• The cube root of 138289793771084447745 is 5171264.0000000011

Scales and comparisons

• 138,289,793,771,084,447,745 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,289,793,771,084,447,745 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 138289793771084447745 cubic inches would be around 430938.7 feet tall.

Recreational maths with 138289793771084447745

• 138289793771084447745 backwards is 547744480177397982831
• The number of decimal digits it has is: 21
• The sum of 138289793771084447745's digits is 108
• More coming soon!