138365312837021

Names of 138365312837021

• Cardinal: 138365312837021 can be written as One hundred thirty-eight trillion, three hundred sixty-five billion, three hundred twelve million, eight hundred thirty-seven thousand and twenty-one.

Scientific notation

• Scientific notation: 1.38365312837021 × 10¹⁴

Factors of 138365312837021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 170

Divisors of 138365312837021

• Number of divisors d(n): 96
• Complete list of divisors:
  1 19 23 31 97 361 437 589 713 961 1843 2231 3007 6859 8303 9409 11191 13547 18259 22103 35017 42389 57133 69161 93217 157757 178771 212629 216407 257393 291679 346921 419957 665323 805391 912673 1085527 1314059 1771123 2143991 3396649 4111733 4890467 5541901 6591499 6708617 7979183 9042049 15302429 17340787 20625013 20991479 24967121 28292863 33651337 40735829 64536331 78122927 105296119 127463723 151604477 171798931 207967127 329474953 398838101 474375299 537564397 639375403 650735849 773980751 877078753 1484335613 2000626261 2421810737 3264179689 3951375413 6260024107 7577923919 10213723543 12363981131 14705634269 16664496307 20172811319 46014404003 62019414091 75076132847 143980554461 194060747317 234915641489 316625429833 383283415061 1426446524093 4463397188291 6015883166827 7282384886159 138365312837021
• Sum of all divisors σ(n): 159116330822400
• Sum of proper divisors (its aliquot sum) s(n): 20751017985379
• 138365312837021 is a deficient number, because the sum of its proper divisors (20751017985379) is less than itself. Its deficiency is 117614294851642

Bases of 138365312837021

• Binary: 11111011101011110101111010100100010010110011101₂
• Hexadecimal: 0x7DD7AF52259D
• Base-36: 1D1O5ARYJH

Squares and roots of 138365312837021

• 138365312837021 squared (138365312837021²) is 19144959796486688331708154441
• 138365312837021 cubed (138365312837021³) is 2648998351493070528678642636267841730360261
• The square root of 138365312837021 is 11762878.5948432283
• The cube root of 138365312837021 is 51722.0515877857

Scales and comparisons

• 138,365,312,837,021 seconds is equal to 4,399,588 years, 49 weeks, 5 days, 1 hour, 23 minutes, 41 seconds.
• To count from 1 to 138,365,312,837,021 would take you about ten million, nine hundred ninety-eight thousand, nine hundred seventy-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 138365312837021 cubic inches would be around 4310.2 feet tall.

Recreational maths with 138365312837021

• 138365312837021 backwards is 120738213563831
• The number of decimal digits it has is: 15
• The sum of 138365312837021's digits is 53
• More coming soon!