138967845214387696408

Names of 138967845214387696408

• Cardinal: 138967845214387696408 can be written as One hundred thirty-eight quintillion, nine hundred sixty-seven quadrillion, eight hundred forty-five trillion, two hundred fourteen billion, three hundred eighty-seven million, six hundred ninety-six thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.38967845214387696408 × 10²⁰

Factors of 138967845214387696408

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 235454

Divisors of 138967845214387696408

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 11 22 44 88 121 242 484 968 1331 2662 5324 10648 235441 470882 941764 1883528 2589851 5179702 10359404 20718808 28488361 56976722 113953444 227906888 313371971 626743942 1253487884 2506975768 55432464481 110864928962 221729857924 443459715848 609757109291 1219514218582 2439028437164 4878056874328 6707328202201 13414656404402 26829312808804 53658625617608 73780610224211 147561220448422 295122440896844 590244881793688
• Sum of all divisors σ(n): 138968472271596211800
• Sum of proper divisors (its aliquot sum) s(n): 627057208515392
• 138967845214387696408 is a deficient number, because the sum of its proper divisors (627057208515392) is less than itself. Its deficiency is 138967218157179181016

Bases of 138967845214387696408

• Binary: 1111000100010010000111101101111000001110101000010111111001100011000₂
• Hexadecimal: 0x78890F6F0750BF318
• Base-36: TBT91S53V347S

Squares and roots of 138967845214387696408

• 138967845214387696408 squared (138967845214387696408²) is 19312062003530017374630085891128776102464
• 138967845214387696408 cubed (138967845214387696408³) is 2683755643277217393190166297682230687777201461567657532749312
• The square root of 138967845214387696408 is 11788462377.0187983073
• 138967845214387696408 is a perfect cube number. Its cube root is 5179702

Scales and comparisons

• 138,967,845,214,387,696,408 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,967,845,214,387,696,408 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 138967845214387696408 cubic inches would be around 431641.8 feet tall.

Recreational maths with 138967845214387696408

• 138967845214387696408 backwards is 804696783412548769831
• The number of decimal digits it has is: 21
• The sum of 138967845214387696408's digits is 109
• More coming soon!