138893480973

Names of 138893480973

• Cardinal: 138893480973 can be written as One hundred thirty-eight billion, eight hundred ninety-three million, four hundred eighty thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 1.38893480973 × 10¹¹

Factors of 138893480973

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 364

Divisors of 138893480973

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 13 27 39 81 117 137 169 211 243 351 411 507 633 729 1053 1233 1521 1781 1899 2187 2197 2743 3159 3699 4563 5343 5697 6591 8229 9477 11097 13689 16029 17091 19773 23153 24687 28431 28907 33291 35659 41067 48087 51273 59319 69459 74061 86721 99873 106977 123201 144261 153819 177957 208377 222183 260163 299619 300989 320931 369603 375791 432783 461457 463567 533871 625131 666549 780489 902967 962793 1127373 1298349 1390701 1601613 1875393 1999647 2341467 2708901 2888379 3382119 3895047 4172103 4804839 4885283 5626179 5998941 7024401 8126703 8665137 10146357 12516309 14655849 16878537 21073203 24380109 25995411 30439071 37548927 43967547 50635611 63219609 63508679 73140327 77986233 91317213 112646781 131902641 190526037 219420981 273951639 337940343 395707923 571578111 658262943 821854917 1013821029 1187123769 1714734333 3561371307 5144202999 10684113921 15432608997 46297826991 138893480973
• Sum of all divisors σ(n): 228384038400
• Sum of proper divisors (its aliquot sum) s(n): 89490557427
• 138893480973 is a deficient number, because the sum of its proper divisors (89490557427) is less than itself. Its deficiency is 49402923546

Bases of 138893480973

• Binary: 10000001010110101100100101010000001101₂
• Hexadecimal: 0x2056B2540D
• Base-36: 1RT1LBT9

Squares and roots of 138893480973

• 138893480973 squared (138893480973²) is 19291399056797113026729
• 138893480973 cubed (138893480973³) is 2679449567837799964499314801927317
• The square root of 138893480973 is 372684.1571263797
• The cube root of 138893480973 is 5178.7779173195

Scales and comparisons

• 138,893,480,973 seconds is equal to 4,416 years, 19 weeks, 6 days, 10 hours, 29 minutes, 33 seconds.
• To count from 1 to 138,893,480,973 would take you about eight thousand, eight 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 138893480973 cubic inches would be around 431.6 feet tall.

Recreational maths with 138893480973

• 138893480973 backwards is 379084398831
• The number of decimal digits it has is: 12
• The sum of 138893480973's digits is 63
• More coming soon!