138046891372

Names of 138046891372

• Cardinal: 138046891372 can be written as One hundred thirty-eight billion, forty-six million, eight hundred ninety-one thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 1.38046891372 × 10¹¹

Factors of 138046891372

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 791

Divisors of 138046891372

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 13 26 52 163 326 613 652 1226 2119 2452 4238 7969 8476 15938 26569 31876 53138 99919 106276 199838 345397 399676 690794 1298947 1381588 2597894 4330747 5195788 8661494 16286797 17322988 32573594 56299711 65147188 112599422 211728361 225198844 423456722 846913444 2654747911 5309495822 10618991644 34511722843 69023445686 138046891372
• Sum of all divisors σ(n): 262198286560
• Sum of proper divisors (its aliquot sum) s(n): 124151395188
• 138046891372 is a deficient number, because the sum of its proper divisors (124151395188) is less than itself. Its deficiency is 13895496184

Bases of 138046891372

• Binary: 10000000100100001111000110010101101100₂
• Hexadecimal: 0x20243C656C
• Base-36: 1RF1JZ3G

Squares and roots of 138046891372

• 138046891372 squared (138046891372²) is 19056944217472768042384
• 138046891372 cubed (138046891372³) is 2630751908271726754315137139910848
• The square root of 138046891372 is 371546.6207247753
• The cube root of 138046891372 is 5168.2344956551

Scales and comparisons

• 138,046,891,372 seconds is equal to 4,389 years, 24 weeks, 22 hours, 42 minutes, 52 seconds.
• To count from 1 to 138,046,891,372 would take you about eight thousand, seven hundred seventy-eight 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 138046891372 cubic inches would be around 430.7 feet tall.

Recreational maths with 138046891372

• 138046891372 backwards is 273198640831
• 138046891372 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138046891372's digits is 52
• More coming soon!