138541199266871820

Names of 138541199266871820

• Cardinal: 138541199266871820 can be written as One hundred thirty-eight quadrillion, five hundred forty-one trillion, one hundred ninety-nine billion, two hundred sixty-six million, eight hundred seventy-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.3854119926687182 × 10¹⁷

Factors of 138541199266871820

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 28506419602247

Divisors of 138541199266871820

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1215 1620 2430 4860 28506419602237 57012839204474 85519258806711 114025678408948 142532098011185 171038517613422 256557776420133 285064196022370 342077035226844 427596294033555 513115552840266 570128392044740 769673329260399 855192588067110 1026231105680532 1282788882100665 1539346658520798 1710385176134220 2309019987781197 2565577764201330 3078693317041596 3848366646301995 4618039975562394 5131155528402660 6927059963343591 7696733292603990 9236079951124788 11545099938905985 13854119926687182 15393466585207980 23090199877811970 27708239853374364 34635299816717955 46180399755623940 69270599633435910 138541199266871820
• Sum of all divisors σ(n): 435806142879014544
• Sum of proper divisors (its aliquot sum) s(n): 297264943612142724
• 138541199266871820 is an abundant number, because the sum of its proper divisors (297264943612142724) is greater than itself. Its abundance is 158723744345270904

Bases of 138541199266871820

• Binary: 111101100001100100111110010011001000011101111101000001100₂
• Hexadecimal: 0x1EC327C990EFA0C
• Base-36: 11W4R8BBQCR0

Squares and roots of 138541199266871820

• 138541199266871820 squared (138541199266871820²) is 19193663894303084915444928310112400
• 138541199266871820 cubed (138541199266871820³) is 2659113214242006669525505889551349848656820592568000
• The square root of 138541199266871820 is 372211229.3669708993
• The cube root of 138541199266871820 is 517439.5822228315

Scales and comparisons

• 138,541,199,266,871,820 seconds is equal to 4,405,181,600 years, 32 weeks, 1 day, 19 hours, 57 minutes.
• To count from 1 to 138,541,199,266,871,820 would take you about thirteen billion, two hundred fifteen million, five hundred forty-four thousand, eight hundred one 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 138541199266871820 cubic inches would be around 43120 feet tall.

Recreational maths with 138541199266871820

• 138541199266871820 backwards is 028178662991145831
• 138541199266871820 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138541199266871820's digits is 81
• More coming soon!