138085676568

Names of 138085676568

• Cardinal: 138085676568 can be written as One hundred thirty-eight billion, eighty-five million, six hundred seventy-six thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38085676568 × 10¹¹

Factors of 138085676568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13080

Divisors of 138085676568

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 504 588 882 1176 1764 3528 4649 8419 9298 13947 16838 18596 25257 27894 32543 33676 37192 41841 50514 55788 58933 65086 67352 75771 83682 97629 101028 111576 117866 130172 151542 167364 176799 195258 202056 227801 235732 260344 292887 303084 334728 353598 390516 412531 455602 471464 530397 585774 606168 683403 707196 781032 825062 911204 1060794 1171548 1237593 1366806 1414392 1650124 1822408 2050209 2121588 2343096 2475186 2733612 3300248 3712779 4100418 4243176 4950372 5467224 7425558 8200836 9900744 14851116 16401672 29702232 39139931 78279862 117419793 156559724 234839586 273979517 313119448 352259379 469679172 547959034 704518758 821938551 939358344 1095918068 1409037516 1643877102 1917856619 2191836136 2465815653 2818075032 3287754204 3835713238 4931631306 5753569857 6575508408 7671426476 9863262612 11507139714 15342852952 17260709571 19726525224 23014279428 34521419142 46028558856 69042838284 138085676568
• Sum of all divisors σ(n): 435185595000
• Sum of proper divisors (its aliquot sum) s(n): 297099918432
• 138085676568 is an abundant number, because the sum of its proper divisors (297099918432) is greater than itself. Its abundance is 159014241864

Bases of 138085676568

• Binary: 10000000100110100011000011011000011000₂
• Hexadecimal: 0x20268C3618
• Base-36: 1RFON9Y0

Squares and roots of 138085676568

• 138085676568 squared (138085676568²) is 19067654073242304258624
• 138085676568 cubed (138085676568³) is 2632969913268244608951402688722432
• The square root of 138085676568 is 371598.8113113389
• The cube root of 138085676568 is 5168.7184669979

Scales and comparisons

• 138,085,676,568 seconds is equal to 4,390 years, 36 weeks, 1 day, 20 hours, 22 minutes, 48 seconds.
• To count from 1 to 138,085,676,568 would take you about eight thousand, seven hundred eighty-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 138085676568 cubic inches would be around 430.7 feet tall.

Recreational maths with 138085676568

• 138085676568 backwards is 865676580831
• 138085676568 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138085676568's digits is 63
• More coming soon!