138893964846

Names of 138893964846

• Cardinal: 138893964846 can be written as One hundred thirty-eight billion, eight hundred ninety-three million, nine hundred sixty-four thousand, eight hundred forty-six.

Scientific notation

• Scientific notation: 1.38893964846 × 10¹¹

Factors of 138893964846

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5586

Divisors of 138893964846

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 71 78 91 142 182 213 273 426 497 546 757 923 994 1491 1514 1846 2271 2769 2982 4542 4733 5299 5538 6461 9466 9841 10598 12922 14199 15897 19383 19682 28398 29523 31794 33131 38766 53747 59046 61529 66262 68887 99393 107494 123058 137774 161241 184587 198786 206661 322482 336043 369174 376229 413322 430703 672086 698711 752458 861406 1008129 1128687 1292109 1397422 2016258 2096133 2257374 2352301 2584218 3582881 4192266 4368559 4704602 4890977 7056903 7165762 8737118 9781954 10748643 13105677 14113806 14672931 21497286 25080167 26211354 29345862 30579913 46577453 50160334 61159826 75240501 91739739 93154906 139732359 150481002 183479478 254384551 279464718 326042171 508769102 652084342 763153653 978126513 1526307306 1780691857 1956253026 3306999163 3561383714 5342075571 6613998326 9920997489 10684151142 19841994978 23148994141 46297988282 69446982423 138893964846
• Sum of all divisors σ(n): 347239581696
• Sum of proper divisors (its aliquot sum) s(n): 208345616850
• 138893964846 is an abundant number, because the sum of its proper divisors (208345616850) is greater than itself. Its abundance is 69451652004

Bases of 138893964846

• Binary: 10000001010110101110011011011000101110₂
• Hexadecimal: 0x2056B9B62E
• Base-36: 1RT1VP66

Squares and roots of 138893964846

• 138893964846 squared (138893964846²) is 19291533470641883803716
• 138893964846 cubed (138893964846³) is 2679477571696766182088546868167736
• The square root of 138893964846 is 372684.8062988347
• The cube root of 138893964846 is 5178.7839312037

Scales and comparisons

• 138,893,964,846 seconds is equal to 4,416 years, 20 weeks, 5 days, 54 minutes, 6 seconds.
• To count from 1 to 138,893,964,846 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 138893964846 cubic inches would be around 431.6 feet tall.

Recreational maths with 138893964846

• 138893964846 backwards is 648469398831
• The number of decimal digits it has is: 12
• The sum of 138893964846's digits is 69
• More coming soon!