138686820524

Names of 138686820524

• Cardinal: 138686820524 can be written as One hundred thirty-eight billion, six hundred eighty-six million, eight hundred twenty thousand, five hundred twenty-four.

Scientific notation

• Scientific notation: 1.38686820524 × 10¹¹

Factors of 138686820524

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3151

Divisors of 138686820524

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 28 29 31 49 58 62 98 116 124 196 203 217 281 406 434 562 812 868 899 1124 1421 1519 1798 1967 2801 2842 3038 3596 3934 5602 5684 6076 6293 7868 8149 8711 11204 12586 13769 16298 17422 19607 25172 27538 32596 34844 39214 44051 55076 57043 60977 78428 81229 86831 88102 114086 121954 137249 162458 173662 176204 228172 243908 252619 274498 324916 347324 399301 426839 505238 548996 568603 607817 787081 798602 853678 1010476 1137206 1215634 1574162 1597204 1707356 1768333 2274412 2431268 2518099 3148324 3536666 3980221 4254719 5036198 5509567 7073332 7960442 8509438 10072396 11019134 12378331 15920884 17018876 17626693 22038268 22825349 24399511 24756662 35253386 38566969 45650698 48799022 49513324 70506772 77133938 91301396 97598044 123386851 154267876 159777443 170796577 246773702 319554886 341593154 493547404 639109772 683186308 707585819 1118442101 1195576039 1415171638 2236884202 2391152078 2830343276 4473768404 4782304156 4953100733 9906201466 19812402932 34671705131 69343410262 138686820524
• Sum of all divisors σ(n): 302664418560
• Sum of proper divisors (its aliquot sum) s(n): 163977598036
• 138686820524 is an abundant number, because the sum of its proper divisors (163977598036) is greater than itself. Its abundance is 25290777512

Bases of 138686820524

• Binary: 10000001001010011000001111000010101100₂
• Hexadecimal: 0x204A60F0AC
• Base-36: 1RPMJVL8

Squares and roots of 138686820524

• 138686820524 squared (138686820524²) is 19234034187056187634576
• 138686820524 cubed (138686820524³) is 2667507047252741738380109808837824
• The square root of 138686820524 is 372406.7944117025
• The cube root of 138686820524 is 5176.2081307195

Scales and comparisons

• 138,686,820,524 seconds is equal to 4,409 years, 42 weeks, 1 day, 12 hours, 48 minutes, 44 seconds.
• To count from 1 to 138,686,820,524 would take you about eight thousand, eight hundred nineteen 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 138686820524 cubic inches would be around 431.4 feet tall.

Recreational maths with 138686820524

• 138686820524 backwards is 425028686831
• The number of decimal digits it has is: 12
• The sum of 138686820524's digits is 53
• More coming soon!