138274085873

Names of 138274085873

• Cardinal: 138274085873 can be written as One hundred thirty-eight billion, two hundred seventy-four million, eighty-five thousand, eight hundred seventy-three.

Scientific notation

• Scientific notation: 1.38274085873 × 10¹¹

Factors of 138274085873

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 611

Divisors of 138274085873

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 11 19 31 61 77 133 151 209 217 331 341 427 589 671 1057 1159 1463 1661 1891 2317 2387 2869 3641 4123 4681 4697 6289 6479 8113 9211 10261 11627 12749 13237 20083 20191 20801 25487 31559 32767 35929 44023 45353 49981 51491 64477 69179 71827 88939 89243 101321 112871 141337 145607 175009 194959 220913 222101 251503 285541 349867 360437 383629 395219 484253 549791 622573 625921 709247 790097 949639 978329 1225063 1364713 1549411 1554707 1925099 1998787 2144549 2685403 2766533 3048841 3140951 3848537 4219919 4381447 5425279 6647473 6848303 6885131 10446029 10845877 11892499 13475693 15011843 17043521 21341887 21986657 29438809 29539433 33537251 37976953 48195917 57927979 59678069 73122203 83247493 94514071 119304647 130817489 206071663 234760757 323826899 405495853 417746483 637207769 661598497 915722423 1039654781 1795767349 2266788293 4460454383 7277583467 12570371443 19753440839 138274085873
• Sum of all divisors σ(n): 192231505920
• Sum of proper divisors (its aliquot sum) s(n): 53957420047
• 138274085873 is a deficient number, because the sum of its proper divisors (53957420047) is less than itself. Its deficiency is 84316665826

Bases of 138274085873

• Binary: 10000000110001110001110001101111110001₂
• Hexadecimal: 0x2031C71BF1
• Base-36: 1RISTJHT

Squares and roots of 138274085873

• 138274085873 squared (138274085873²) is 19119722824013778172129
• 138274085873 cubed (138274085873³) is 2643762195635639229508138321233617
• The square root of 138274085873 is 371852.2366115337
• The cube root of 138274085873 is 5171.0681967731

Scales and comparisons

• 138,274,085,873 seconds is equal to 4,396 years, 35 weeks, 5 days, 12 hours, 17 minutes, 53 seconds.
• To count from 1 to 138,274,085,873 would take you about eight thousand, seven hundred ninety-three 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 138274085873 cubic inches would be around 430.9 feet tall.

Recreational maths with 138274085873

• 138274085873 backwards is 378580472831
• The number of decimal digits it has is: 12
• The sum of 138274085873's digits is 56
• More coming soon!