138689266884

Names of 138689266884

• Cardinal: 138689266884 can be written as One hundred thirty-eight billion, six hundred eighty-nine million, two hundred sixty-six thousand, eight hundred eighty-four.

Scientific notation

• Scientific notation: 1.38689266884 × 10¹¹

Factors of 138689266884

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5569

Divisors of 138689266884

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 167 172 258 301 334 501 516 602 668 903 1002 1169 1204 1806 1849 2004 2338 3507 3612 3698 4676 5347 5547 7014 7181 7396 10694 11094 12943 14028 14362 16041 21388 21543 22188 25886 28724 32082 37429 38829 43086 50267 51772 64164 74858 77658 86172 100534 112287 149716 150801 155316 201068 224574 229921 301602 308783 449148 459842 603204 617566 689763 892949 919684 926349 1235132 1379526 1609447 1785898 1852698 2161481 2678847 2759052 3218894 3571796 3705396 4322962 4828341 5357694 6250643 6437788 6484443 8645924 9656682 9886603 10715388 12501286 12968886 18751929 19313364 19773206 25002572 25937772 29659809 37503858 38396807 39546412 59319618 69206221 75007716 76793614 115190421 118639236 138412442 153587228 207618663 230380842 268777649 276824884 415237326 460761684 537555298 806332947 830474652 1075110596 1612665894 1651062701 3225331788 3302125402 4953188103 6604250804 9906376206 11557438907 19812752412 23114877814 34672316721 46229755628 69344633442 138689266884
• Sum of all divisors σ(n): 380977486848
• Sum of proper divisors (its aliquot sum) s(n): 242288219964
• 138689266884 is an abundant number, because the sum of its proper divisors (242288219964) is greater than itself. Its abundance is 103598953080

Bases of 138689266884

• Binary: 10000001001010100001100100010011000100₂
• Hexadecimal: 0x204A8644C4
• Base-36: 1RPO0B7O

Squares and roots of 138689266884

• 138689266884 squared (138689266884²) is 19234712748821379069456
• 138689266884 cubed (138689266884³) is 2667648209858365498208714756695104
• The square root of 138689266884 is 372410.0789237585
• The cube root of 138689266884 is 5176.2385657051

Scales and comparisons

• 138,689,266,884 seconds is equal to 4,409 years, 46 weeks, 1 day, 20 hours, 21 minutes, 24 seconds.
• To count from 1 to 138,689,266,884 would take you about eight thousand, eight hundred nineteen 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 138689266884 cubic inches would be around 431.4 feet tall.

Recreational maths with 138689266884

• 138689266884 backwards is 488662986831
• The number of decimal digits it has is: 12
• The sum of 138689266884's digits is 69
• More coming soon!