20168898432135040

Names of 20168898432135040

• Cardinal: 20168898432135040 can be written as Twenty quadrillion, one hundred sixty-eight trillion, eight hundred ninety-eight billion, four hundred thirty-two million, one hundred thirty-five thousand and forty.

Scientific notation

• Scientific notation: 2.016889843213504 × 10¹⁶

Factors of 20168898432135040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4501986257187

Divisors of 20168898432135040

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 4501986257173 9003972514346 18007945028692 22509931285865 31513903800211 36015890057384 45019862571730 63027807600422 72031780114768 90039725143460 126055615200844 144063560229536 157569519001055 180079450286920 252111230401688 288127120459072 315139038002110 360158900573840 504222460803376 576254240918144 630278076004220 720317801147680 1008444921606752 1260556152008440 1440635602295360 2016889843213504 2521112304016880 2881271204590720 4033779686427008 5042224608033760 10084449216067520 20168898432135040
• Sum of all divisors σ(n): 55104311787809760
• Sum of proper divisors (its aliquot sum) s(n): 34935413355674720
• 20168898432135040 is an abundant number, because the sum of its proper divisors (34935413355674720) is greater than itself. Its abundance is 14766514923539680

Bases of 20168898432135040

• Binary: 1000111101001111000000110011010100011101110111110000000₂
• Hexadecimal: 0x47A7819A8EEF80
• Base-36: 5ILA010YTTS

Squares and roots of 20168898432135040

• 20168898432135040 squared (20168898432135040²) is 406784463965779274712532795801600
• 20168898432135040 cubed (20168898432135040³) is 8204394537496298289421638789248646851836248064000
• The square root of 20168898432135040 is 142017246.9530903137
• The cube root of 20168898432135040 is 272203.7222347035

Scales and comparisons

• 20,168,898,432,135,040 seconds is equal to 641,308,583 years, 33 weeks, 3 days, 10 minutes, 40 seconds.
• To count from 1 to 20,168,898,432,135,040 would take you about one billion, nine hundred twenty-three million, nine hundred twenty-five thousand, seven hundred fifty 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 20168898432135040 cubic inches would be around 22683.6 feet tall.

Recreational maths with 20168898432135040

• 20168898432135040 backwards is 04053123489886102
• 20168898432135040 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20168898432135040's digits is 64
• More coming soon!