138242902160572417

Names of 138242902160572417

• Cardinal: 138242902160572417 can be written as One hundred thirty-eight quadrillion, two hundred forty-two trillion, nine hundred two billion, one hundred sixty million, five hundred seventy-two thousand, four hundred seventeen.

Scientific notation

• Scientific notation: 1.38242902160572417 × 10¹⁷

Factors of 138242902160572417

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 18134932

Divisors of 138242902160572417

• Number of divisors d(n): 16
• Complete list of divisors:
  1 13 757 9841 810913 10541869 17323249 225202237 613861141 7980194833 13113699493 170478093409 14047647816337 182619421612381 10634069396967109 138242902160572417
• Sum of all divisors σ(n): 149073831066706000
• Sum of proper divisors (its aliquot sum) s(n): 10830928906133583
• 138242902160572417 is a deficient number, because the sum of its proper divisors (10830928906133583) is less than itself. Its deficiency is 127411973254438834

Bases of 138242902160572417

• Binary: 111101011001000110010111111100100000000000000000000000001₂
• Hexadecimal: 0x1EB232FE4000001
• Base-36: 11T70OIKG001

Squares and roots of 138242902160572417

• 138242902160572417 squared (138242902160572417²) is 19111099997777597840251769101221889
• 138242902160572417 cubed (138242902160572417³) is 2641973927173684194197180484850052134390994370035713
• The square root of 138242902160572417 is 371810304.0000000013
• The cube root of 138242902160572417 is 517067.9439361587

Scales and comparisons

• 138,242,902,160,572,417 seconds is equal to 4,395,696,675 years, 17 weeks, 2 days, 10 hours, 33 minutes, 37 seconds.
• To count from 1 to 138,242,902,160,572,417 would take you about thirteen billion, one hundred eighty-seven million, ninety thousand and twenty-six 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 138242902160572417 cubic inches would be around 43089 feet tall.

Recreational maths with 138242902160572417

• 138242902160572417 backwards is 714275061209242831
• The number of decimal digits it has is: 18
• The sum of 138242902160572417's digits is 64
• More coming soon!