138721465259766

Names of 138721465259766

• Cardinal: 138721465259766 can be written as One hundred thirty-eight trillion, seven hundred twenty-one billion, four hundred sixty-five million, two hundred fifty-nine thousand, seven hundred sixty-six.

Scientific notation

• Scientific notation: 1.38721465259766 × 10¹⁴

Factors of 138721465259766

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 246349

Divisors of 138721465259766

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 18 19 27 38 54 57 114 171 229 342 458 513 687 1026 1374 2061 2423 4122 4351 4846 6183 7269 8702 12366 13053 14538 21807 26106 39159 43614 46037 65421 78318 92074 117477 130842 138111 234954 243673 276222 414333 487346 554867 731019 828666 1109734 1242999 1462038 1664601 2193057 2485998 3329202 4386114 4629787 4993803 6579171 9259574 9987606 10542473 13158342 13889361 14981409 21084946 27778722 29962818 31627419 41668083 55801117 63254838 83336166 94882257 111602234 125004249 167403351 189764514 250008498 284646771 334806702 502210053 569293542 590419679 1004420106 1060221223 1180839358 1506630159 1771259037 2120442446 3013260318 3180663669 3542518074 5313777111 6361327338 9541991007 10627554222 11217973901 15941331333 19083982014 22435947802 28625973021 31882662666 33653921703 57251946042 67307843406 100961765109 135206106491 201923530218 270412212982 302885295327 405618319473 605770590654 811236638946 1216854958419 2433709916838 2568916023329 3650564875257 5137832046658 7301129750514 7706748069987 15413496139974 23120244209961 46240488419922 69360732629883 138721465259766
• Sum of all divisors σ(n): 326047508352000
• Sum of proper divisors (its aliquot sum) s(n): 187326043092234
• 138721465259766 is an abundant number, because the sum of its proper divisors (187326043092234) is greater than itself. Its abundance is 48604577832468

Bases of 138721465259766

• Binary: 11111100010101010011011101010001101011011110110₂
• Hexadecimal: 0x7E2A9BA8D6F6
• Base-36: 1D67REQEPI

Squares and roots of 138721465259766

• 138721465259766 squared (138721465259766²) is 19243644923816465221858374756
• 138721465259766 cubed (138721465259766³) is 2669506620770478113977851673492600116867096
• The square root of 138721465259766 is 11778007.6948423667
• The cube root of 138721465259766 is 51766.3910998631

Scales and comparisons

• 138,721,465,259,766 seconds is equal to 4,410,913 years, 26 weeks, 13 hours, 56 minutes, 6 seconds.
• To count from 1 to 138,721,465,259,766 would take you about eleven million, twenty-seven thousand, two hundred eighty-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 138721465259766 cubic inches would be around 4313.9 feet tall.

Recreational maths with 138721465259766

• 138721465259766 backwards is 667952564127831
• The number of decimal digits it has is: 15
• The sum of 138721465259766's digits is 72
• More coming soon!