138404787568031760

Names of 138404787568031760

• Cardinal: 138404787568031760 can be written as One hundred thirty-eight quadrillion, four hundred four trillion, seven hundred eighty-seven billion, five hundred sixty-eight million, thirty-one thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.3840478756803176 × 10¹⁷

Factors of 138404787568031760

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 366795474

Divisors of 138404787568031760

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1579027 3158054 4737081 6316108 7895135 9474162 12632216 15790270 18948324 23685405 25264432 31580540 37896648 47370810 63161080 75793296 94741620 126322160 189483240 365216437 378966480 730432874 1095649311 1460865748 1826082185 2191298622 2921731496 3652164370 4382597244 5478246555 5843462992 7304328740 8765194488 10956493110 14608657480 17530388976 21912986220 29217314960 43825972440 87651944880 576686614866799 1153373229733598 1730059844600397 2306746459467196 2883433074333995 3460119689200794 4613492918934392 5766866148667990 6920239378401588 8650299223001985 9226985837868784 11533732297335980 13840478756803176 17300598446003970 23067464594671960 27680957513606352 34601196892007940 46134929189343920 69202393784015880 138404787568031760
• Sum of all divisors σ(n): 429055114356724416
• Sum of proper divisors (its aliquot sum) s(n): 290650326788692656
• 138404787568031760 is an abundant number, because the sum of its proper divisors (290650326788692656) is greater than itself. Its abundance is 152245539220660896

Bases of 138404787568031760

• Binary: 111101011101101100110101111000110001101001011100000010000₂
• Hexadecimal: 0x1EBB66BC634B810
• Base-36: 11USEHN8ADQO

Squares and roots of 138404787568031760

• 138404787568031760 squared (138404787568031760²) is 19155885221751998826730320368697600
• 138404787568031760 cubed (138404787568031760³) is 2651266224794184361307638074136911719806346635776000
• The square root of 138404787568031760 is 372027939.2304182307
• The cube root of 138404787568031760 is 517269.6977597425

Scales and comparisons

• 138,404,787,568,031,760 seconds is equal to 4,400,844,130 years, 28 weeks, 2 days, 21 hours, 16 minutes.
• To count from 1 to 138,404,787,568,031,760 would take you about thirteen billion, two hundred two million, five hundred thirty-two thousand, three hundred ninety-one 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 138404787568031760 cubic inches would be around 43105.8 feet tall.

Recreational maths with 138404787568031760

• 138404787568031760 backwards is 067130865787404831
• The number of decimal digits it has is: 18
• The sum of 138404787568031760's digits is 78
• More coming soon!