138384958130156465

Names of 138384958130156465

• Cardinal: 138384958130156465 can be written as One hundred thirty-eight quadrillion, three hundred eighty-four trillion, nine hundred fifty-eight billion, one hundred thirty million, one hundred fifty-six thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 1.38384958130156465 × 10¹⁷

Factors of 138384958130156465

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6591608

Divisors of 138384958130156465

• Number of divisors d(n): 36
• Complete list of divisors:
  1 5 7 13 35 49 65 91 245 455 637 3185 6591583 32957915 46141081 85690579 230705405 322987567 428452895 599834053 1614937835 2999170265 4198838371 20994191855 43448966445889 217244832229445 304142765121223 564836563796557 1520713825606115 2128999355848561 2824182818982785 3953855946575899 10644996779242805 19769279732879495 27676991626031293 138384958130156465
• Sum of all divisors σ(n): 208033682903420724
• Sum of proper divisors (its aliquot sum) s(n): 69648724773264259
• 138384958130156465 is a deficient number, because the sum of its proper divisors (69648724773264259) is less than itself. Its deficiency is 68736233356892206

Bases of 138384958130156465

• Binary: 111101011101001000110001011011111100110101111001110110001₂
• Hexadecimal: 0x1EBA462DF9AF3B1
• Base-36: 11ULDG4KYI0H

Squares and roots of 138384958130156465

• 138384958130156465 squared (138384958130156465²) is 19150396636685157901847645381296225
• 138384958130156465 cubed (138384958130156465³) is 2650126836743564765049383998960878573586643763844625
• The square root of 138384958130156465 is 372001287.8071209917
• The cube root of 138384958130156465 is 517244.9932741815

Scales and comparisons

• 138,384,958,130,156,465 seconds is equal to 4,400,213,615 years, 39 weeks, 3 days, 1 hour, 41 minutes, 5 seconds.
• To count from 1 to 138,384,958,130,156,465 would take you about thirteen billion, two hundred million, six hundred forty thousand, eight hundred forty-seven 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 138384958130156465 cubic inches would be around 43103.7 feet tall.

Recreational maths with 138384958130156465

• 138384958130156465 backwards is 564651031859483831
• The number of decimal digits it has is: 18
• The sum of 138384958130156465's digits is 80
• More coming soon!