138341385448261079642

Names of 138341385448261079642

• Cardinal: 138341385448261079642 can be written as One hundred thirty-eight quintillion, three hundred forty-one quadrillion, three hundred eighty-five trillion, four hundred forty-eight billion, two hundred sixty-one million, seventy-nine thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.38341385448261079642 × 10²⁰

Factors of 138341385448261079642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 7455533202

Divisors of 138341385448261079642

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 37 74 97 194 3589 7178 2585953 5171906 95680261 191360522 250837441 501674882 7452947113 9280985317 14905894226 18561970634 275759043181 551518086362 722935869961 1445871739922 26748627188557 53497254377114 19272970945703689 38545941891407378 713099924991036493 1426199849982072986 1869478181733257833 3738956363466515666 69170692724130539821 138341385448261079642
• Sum of all divisors σ(n): 215317714698617038032
• Sum of proper divisors (its aliquot sum) s(n): 76976329250355958390
• 138341385448261079642 is a deficient number, because the sum of its proper divisors (76976329250355958390) is less than itself. Its deficiency is 61365056197905121252

Bases of 138341385448261079642

• Binary: 1110111111111011111010101010001100111100010111111101101001001011010₂
• Hexadecimal: 0x77FDF5519E2FED25A
• Base-36: T71WOBTK3500Q

Squares and roots of 138341385448261079642

• 138341385448261079642 squared (138341385448261079642²) is 19138338927744342399477163861811466848164
• 138341385448261079642 cubed (138341385448261079642³) is 2647624322442539723763089676261897261676346690353685525477288
• The square root of 138341385448261079642 is 11761861478.8757429763
• The cube root of 138341385448261079642 is 5171906.9999999989

Scales and comparisons

• 138,341,385,448,261,079,642 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,341,385,448,261,079,642 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 138341385448261079642 cubic inches would be around 430992.3 feet tall.

Recreational maths with 138341385448261079642

• 138341385448261079642 backwards is 246970162844583143831
• The number of decimal digits it has is: 21
• The sum of 138341385448261079642's digits is 89
• More coming soon!