138403962326567938

Names of 138403962326567938

• Cardinal: 138403962326567938 can be written as One hundred thirty-eight quadrillion, four hundred three trillion, nine hundred sixty-two billion, three hundred twenty-six million, five hundred sixty-seven thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 1.38403962326567938 × 10¹⁷

Factors of 138403962326567938

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 22017152

Divisors of 138403962326567938

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 11 13 14 22 26 77 91 139 143 154 182 278 286 973 1001 1529 1807 1946 2002 3058 3614 10703 12649 19877 21406 22613 25298 39754 45226 139139 158291 248743 278278 293969 316582 497486 587938 1741201 2057783 3143207 3233659 3482402 4115566 6286414 6467318 21994367 22002449 22635613 34575277 40861691 43988734 44004898 45271226 69150554 81723382 153960569 241938037 242026939 285926771 286031837 307921138 449478601 483876074 484053878 571853542 572063674 898957202 1693566259 2001487397 3057217013 3145194481 3146350207 3387132518 4002974794 6114434026 6290388962 6292700414 21400519091 22016361367 33629387143 39743821169 42801038182 44032722734 67258774286 79487642338 235405710001 278206748183 437182032859 470811420002 497358620971 556413496366 874364065718 994717241942 3060274230013 3481510346797 5470944830681 6120548460026 6465662072623 6963020693594 10941889661362 12931324145246 38296613814767 45259634508361 69132848314969 71122282798853 76593227629534 90519269016722 138265696629938 142244565597706 483929938204783 497855979591971 760461331464659 898727028094597 967859876409566 995711959183942 1520922662929318 1797454056189194 5323229320252613 6291089196662179 9885997309040567 10646458640505226 12582178393324358 19771994618081134 69201981163283969 138403962326567938
• Sum of all divisors σ(n): 280761422511144960
• Sum of proper divisors (its aliquot sum) s(n): 142357460184577022
• 138403962326567938 is an abundant number, because the sum of its proper divisors (142357460184577022) is greater than itself. Its abundance is 3953497858009084

Bases of 138403962326567938

• Binary: 111101011101101011010101110100001111110110100110000000010₂
• Hexadecimal: 0x1EBB5ABA1FB4C02
• Base-36: 11US3YJ8TSZM

Squares and roots of 138403962326567938

• 138403962326567938 squared (138403962326567938²) is 19155656787694037069387330129571844
• 138403962326567938 cubed (138403962326567938³) is 2651218800384670912371020863180099896985477917937672
• The square root of 138403962326567938 is 372026830.1165494407
• The cube root of 138403962326567938 is 517268.6696805397

Scales and comparisons

• 138,403,962,326,567,938 seconds is equal to 4,400,817,890 years, 21 weeks, 6 days, 1 hour, 18 minutes, 58 seconds.
• To count from 1 to 138,403,962,326,567,938 would take you about thirteen billion, two hundred two million, four hundred fifty-three thousand, six hundred seventy-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 138403962326567938 cubic inches would be around 43105.7 feet tall.

Recreational maths with 138403962326567938

• 138403962326567938 backwards is 839765623269304831
• The number of decimal digits it has is: 18
• The sum of 138403962326567938's digits is 85
• More coming soon!