138933910510857272

Names of 138933910510857272

• Cardinal: 138933910510857272 can be written as One hundred thirty-eight quadrillion, nine hundred thirty-three trillion, nine hundred ten billion, five hundred ten million, eight hundred fifty-seven thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.38933910510857272 × 10¹⁷

Factors of 138933910510857272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21819272

Divisors of 138933910510857272

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 47 94 188 376 449 898 1796 3592 21103 37783 42206 75566 84412 151132 168824 302264 1775801 3551602 7103204 14206408 16964567 21780991 33929134 43561982 67858268 87123964 135716536 174247928 797334649 1023706577 1594669298 2047413154 3189338596 4094826308 6378677192 8189652616 9779664959 19559329918 39118659836 78237319672 459644253073 822951182953 919288506146 1645902365906 1838577012292 3291804731812 3677154024584 6583609463624 38678705598791 77357411197582 154714822395164 309429644790328 369505081145897 739010162291794 1478020324583588 2956040649167176 17366738813857159 34733477627714318 69466955255428636 138933910510857272
• Sum of all divisors σ(n): 266643252559872000
• Sum of proper divisors (its aliquot sum) s(n): 127709342049014728
• 138933910510857272 is a deficient number, because the sum of its proper divisors (127709342049014728) is less than itself. Its deficiency is 11224568461842544

Bases of 138933910510857272

• Binary: 111101101100101111010011111001111010000010110110000111000₂
• Hexadecimal: 0x1ED97A7CF416C38
• Base-36: 11ZZYLDAWAPK

Squares and roots of 138933910510857272

• 138933910510857272 squared (138933910510857272²) is 19302631489838896762762192355281984
• 138933910510857272 cubed (138933910510857272³) is 2681790076033332862657288303805759961036049136987648
• The square root of 138933910510857272 is 372738394.2000840783
• The cube root of 138933910510857272 is 517928.0353393661

Scales and comparisons

• 138,933,910,510,857,272 seconds is equal to 4,417,668,603 years, 23 weeks, 10 hours, 34 minutes, 32 seconds.
• To count from 1 to 138,933,910,510,857,272 would take you about thirteen billion, two hundred fifty-three million, five thousand, eight hundred ten 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 138933910510857272 cubic inches would be around 43160.7 feet tall.

Recreational maths with 138933910510857272

• 138933910510857272 backwards is 272758015019339831
• The number of decimal digits it has is: 18
• The sum of 138933910510857272's digits is 74
• More coming soon!