138849868990514293848

Names of 138849868990514293848

• Cardinal: 138849868990514293848 can be written as One hundred thirty-eight quintillion, eight hundred forty-nine quadrillion, eight hundred sixty-eight trillion, nine hundred ninety billion, five hundred fourteen million, two hundred ninety-three thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 1.38849868990514293848 × 10²⁰

Factors of 138849868990514293848

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 100750765530145

Divisors of 138849868990514293848

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 19141 38282 57423 76564 114846 153128 172269 229692 344538 459384 689076 1378152 100750765510999 201501531021998 302252296532997 403003062043996 604504593065994 806006124087992 906756889598991 1209009186131988 1813513779197982 2418018372263976 3627027558395964 7254055116791928 1928470402646031859 3856940805292063718 5785411207938095577 7713881610584127436 11570822415876191154 15427763221168254872 17356233623814286731 23141644831752382308 34712467247628573462 46283289663504764616 69424934495257146924 138849868990514293848
• Sum of all divisors σ(n): 376071374915254590000
• Sum of proper divisors (its aliquot sum) s(n): 237221505924740296152
• 138849868990514293848 is an abundant number, because the sum of its proper divisors (237221505924740296152) is greater than itself. Its abundance is 98371636934226002304

Bases of 138849868990514293848

• Binary: 1111000011011101101110101000011000001010001001000010110110001011000₂
• Hexadecimal: 0x786EDD43051216C58
• Base-36: TAWZEP82CP2E0

Squares and roots of 138849868990514293848

• 138849868990514293848 squared (138849868990514293848²) is 19279286118682982886934590445202090647104
• 138849868990514293848 cubed (138849868990514293848³) is 2676926351809772983437950321976655799868861739241503926216192
• The square root of 138849868990514293848 is 11783457429.4013679289
• The cube root of 138849868990514293848 is 5178235.8222460319

Scales and comparisons

• 138,849,868,990,514,293,848 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,849,868,990,514,293,848 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138849868990514293848 cubic inches would be around 431519.7 feet tall.

Recreational maths with 138849868990514293848

• 138849868990514293848 backwards is 848392415099868948831
• The number of decimal digits it has is: 21
• The sum of 138849868990514293848's digits is 117
• More coming soon!