138398772945823

Names of 138398772945823

• Cardinal: 138398772945823 can be written as One hundred thirty-eight trillion, three hundred ninety-eight billion, seven hundred seventy-two million, nine hundred forty-five thousand, eight hundred twenty-three.

Scientific notation

• Scientific notation: 1.38398772945823 × 10¹⁴

Factors of 138398772945823

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 135

Divisors of 138398772945823

• Number of divisors d(n): 70
• Complete list of divisors:
  1 13 19 103 169 247 361 1339 1957 2197 3211 4693 6859 17407 25441 28561 37183 41743 61009 89167 130321 226291 330733 483379 542659 706477 793117 1159171 1694173 2476099 2941783 4299529 6283927 9184201 10310521 13423063 15069223 22024249 32189287 47045881 55893877 81691051 119394613 174499819 195899899 255038197 286315237 418460731 611596453 1061983663 1552129969 2268497647 3315496561 3722098081 4845725743 5439989503 7950753889 20177689597 29490469411 43101455293 62994434659 70719863539 103359800557 383376102343 560318918809 818927650567 1343677407241 7284145944517 10646059457371 138398772945823
• Sum of all divisors σ(n): 159797649240424
• Sum of proper divisors (its aliquot sum) s(n): 21398876294601
• 138398772945823 is a deficient number, because the sum of its proper divisors (21398876294601) is less than itself. Its deficiency is 116999896651222

Bases of 138398772945823

• Binary: 11111011101111101111001101100101110001110011111₂
• Hexadecimal: 0x7DDF79B2E39F
• Base-36: 1D23IO27Q7

Squares and roots of 138398772945823

• 138398772945823 squared (138398772945823²) is 19154220352909468353293147329
• 138398772945823 cubed (138398772945823³) is 2650920593576579204118525832665464474156767
• The square root of 138398772945823 is 11764300.7843995133
• The cube root of 138398772945823 is 51726.2204697941

Scales and comparisons

• 138,398,772,945,823 seconds is equal to 4,400,652 years, 45 weeks, 6 days, 20 hours, 3 minutes, 43 seconds.
• To count from 1 to 138,398,772,945,823 would take you about eleven million, one thousand, six 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 138398772945823 cubic inches would be around 4310.5 feet tall.

Recreational maths with 138398772945823

• 138398772945823 backwards is 328549277893831
• The number of decimal digits it has is: 15
• The sum of 138398772945823's digits is 79
• More coming soon!