138778265223

Names of 138778265223

• Cardinal: 138778265223 can be written as One hundred thirty-eight billion, seven hundred seventy-eight million, two hundred sixty-five thousand, two hundred twenty-three.

Scientific notation

• Scientific notation: 1.38778265223 × 10¹¹

Factors of 138778265223

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 981138

Divisors of 138778265223

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 13 27 31 39 93 117 169 279 351 403 507 837 1209 1521 3627 4563 5239 10881 15717 47151 141453 981091 2943273 8829819 12754183 26489457 30413821 38262549 91241463 114787647 165804379 273724389 344362941 395379673 497413137 821173167 1186139019 1492239411 3558417057 4476718233 5139935749 10675251171 15419807247 46259421741 138778265223
• Sum of all divisors σ(n): 229810990080
• Sum of proper divisors (its aliquot sum) s(n): 91032724857
• 138778265223 is a deficient number, because the sum of its proper divisors (91032724857) is less than itself. Its deficiency is 47745540366

Bases of 138778265223

• Binary: 10000001001111110101000100011010000111₂
• Hexadecimal: 0x204FD44687
• Base-36: 1RR4ZURR

Squares and roots of 138778265223

• 138778265223 squared (138778265223²) is 19259406898305331239729
• 138778265223 cubed (138778265223³) is 2672787078570693048021978556644567
• The square root of 138778265223 is 372529.5494628581
• The cube root of 138778265223 is 5177.3455442519

Scales and comparisons

• 138,778,265,223 seconds is equal to 4,412 years, 37 weeks, 2 days, 22 hours, 7 minutes, 3 seconds.
• To count from 1 to 138,778,265,223 would take you about eight thousand, eight hundred twenty-five 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 138778265223 cubic inches would be around 431.4 feet tall.

Recreational maths with 138778265223

• 138778265223 backwards is 322562877831
• The number of decimal digits it has is: 12
• The sum of 138778265223's digits is 54
• More coming soon!