138868627208365335709

Names of 138868627208365335709

• Cardinal: 138868627208365335709 can be written as One hundred thirty-eight quintillion, eight hundred sixty-eight quadrillion, six hundred twenty-seven trillion, two hundred eight billion, three hundred sixty-five million, three hundred thirty-five thousand, seven hundred nine.

Scientific notation

• Scientific notation: 1.38868627208365335709 × 10²⁰

Factors of 138868627208365335709

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1067

Divisors of 138868627208365335709

• Number of divisors d(n): 64
• Complete list of divisors:
  1 19 361 479 569 6859 9101 10811 172919 205409 229441 272551 323761 3285461 3902771 4359379 5178469 6151459 82828201 98390911 109902239 116877721 130551929 155081519 184220009 1573735819 1869427309 2088142541 2220676699 2480486651 2946548861 3500180171 39674708279 47129246369 55984428359 62534373991 66503423249 74284047601 88241384311 753819457301 895455681011 1063704138821 1188153105829 1263565041731 1411396904419 1676586301909 22574909010751 26816541183961 31855139736271 35582058800879 42267623084969 428923271204269 509514282495259 605247654989149 676059117216701 803084838614411 12845123227117319 15258611933673809 20246191457700151 244057341315229061 289913626739802371 384677637696302869 7308875116229754511 138868627208365335709
• Sum of all divisors σ(n): 147147691487014656000
• Sum of proper divisors (its aliquot sum) s(n): 8279064278649320291
• 138868627208365335709 is a deficient number, because the sum of its proper divisors (8279064278649320291) is less than itself. Its deficiency is 130589562929716015418

Bases of 138868627208365335709

• Binary: 1111000011100110000011110001011000001000000110000101110010010011101₂
• Hexadecimal: 0x7873078B040C2E49D
• Base-36: TB243XMDQDGV1

Squares and roots of 138868627208365335709

• 138868627208365335709 squared (138868627208365335709²) is 19284495622735945212021916211124270532681
• 138868627208365335709 cubed (138868627208365335709³) is 2678011433535071099550823635312247329246347048846812820805829
• The square root of 138868627208365335709 is 11784253358.1201204463
• 138868627208365335709 is a perfect cube number. Its cube root is 5178469

Scales and comparisons

• 138,868,627,208,365,335,709 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,868,627,208,365,335,709 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 138868627208365335709 cubic inches would be around 431539.1 feet tall.

Recreational maths with 138868627208365335709

• 138868627208365335709 backwards is 907533563802726868831
• The number of decimal digits it has is: 21
• The sum of 138868627208365335709's digits is 100
• More coming soon!