138089718490214969999

Names of 138089718490214969999

• Cardinal: 138089718490214969999 can be written as One hundred thirty-eight quintillion, eighty-nine quadrillion, seven hundred eighteen trillion, four hundred ninety billion, two hundred fourteen million, nine hundred sixty-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.38089718490214969999 × 10²⁰

Factors of 138089718490214969999

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 49774694650

Divisors of 138089718490214969999

• Number of divisors d(n): 16
• Complete list of divisors:
  1 29 3061 31253 88769 906337 95665433 2774297557 49774660307 1443465148903 152360235199727 1555607458574671 4418446820792083 45112616298665459 4761714430697067931 138089718490214969999
• Sum of all divisors σ(n): 142902673447836071520
• Sum of proper divisors (its aliquot sum) s(n): 4812954957621101521
• 138089718490214969999 is a deficient number, because the sum of its proper divisors (4812954957621101521) is less than itself. Its deficiency is 133276763532593868478

Bases of 138089718490214969999

• Binary: 1110111110001100001001110110101011000001110111101000011001010001111₂
• Hexadecimal: 0x77C613B560EF4328F
• Base-36: T552NU53QS8ZZ

Squares and roots of 138089718490214969999

• 138089718490214969999 squared (138089718490214969999²) is 19068770352706818173391457375120470060001
• 138089718490214969999 cubed (138089718490214969999³) is 2633201129959841744610894971851247183840549689192167944909999
• The square root of 138089718490214969999 is 11751158176.5464705193
• The cube root of 138089718490214969999 is 5168768.8978961933

Scales and comparisons

• 138,089,718,490,214,969,999 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,089,718,490,214,969,999 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 138089718490214969999 cubic inches would be around 430730.7 feet tall.

Recreational maths with 138089718490214969999

• 138089718490214969999 backwards is 999969412094817980831
• The number of decimal digits it has is: 21
• The sum of 138089718490214969999's digits is 116
• More coming soon!