138881438224

Names of 138881438224

• Cardinal: 138881438224 can be written as One hundred thirty-eight billion, eight hundred eighty-one million, four hundred thirty-eight thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 1.38881438224 × 10¹¹

Factors of 138881438224

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 770

Divisors of 138881438224

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 8 16 151 302 604 617 1208 1234 2416 2468 4936 9872 22801 45602 91204 93167 182408 186334 364816 372668 380689 745336 761378 1490672 1522756 3045512 6091024 14068217 28136434 56272868 57484039 112545736 114968078 225091472 229936156 459872312 919744624 8680089889 17360179778 34720359556 69440719112 138881438224
• Sum of all divisors σ(n): 271316326701
• Sum of proper divisors (its aliquot sum) s(n): 132434888477
• 138881438224 is a deficient number, because the sum of its proper divisors (132434888477) is less than itself. Its deficiency is 6446549747

Bases of 138881438224

• Binary: 10000001010101111110101001001000010000₂
• Hexadecimal: 0x2055FA9210
• Base-36: 1RSUF7KG

Squares and roots of 138881438224

• 138881438224 squared (138881438224²) is 19288053883166728274176
• 138881438224 cubed (138881438224³) is 2678752663836203286302168278503424
• 138881438224 is a perfect square number. Its square root is 372668
• The cube root of 138881438224 is 5178.6282378079

Scales and comparisons

• 138,881,438,224 seconds is equal to 4,416 years, 1 hour, 17 minutes, 4 seconds.
• To count from 1 to 138,881,438,224 would take you about eight thousand, eight hundred thirty-two 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 138881438224 cubic inches would be around 431.6 feet tall.

Recreational maths with 138881438224

• 138881438224 backwards is 422834188831
• The number of decimal digits it has is: 12
• The sum of 138881438224's digits is 52
• More coming soon!