20135168742

Names of 20135168742

• Cardinal: 20135168742 can be written as Twenty billion, one hundred thirty-five million, one hundred sixty-eight thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.0135168742 × 10¹⁰

Factors of 20135168742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3337

Divisors of 20135168742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 13 26 39 78 113 226 339 678 1069 1469 2137 2138 2938 3207 4274 4407 6411 6414 8814 12822 13897 27781 27794 41691 55562 83343 83382 120797 166686 241481 241594 362391 482962 724443 724782 1448886 1570361 2284453 3139253 3140722 4568906 4711083 6278506 6853359 9417759 9422166 13706718 18835518 29697889 59395778 89093667 178187334 258143189 516286378 774429567 1548859134 3355861457 6711722914 10067584371 20135168742
• Sum of all divisors σ(n): 43813264320
• Sum of proper divisors (its aliquot sum) s(n): 23678095578
• 20135168742 is an abundant number, because the sum of its proper divisors (23678095578) is greater than itself. Its abundance is 3542926836

Bases of 20135168742

• Binary: 10010110000001001100100101011100110₂
• Hexadecimal: 0x4B0264AE6
• Base-36: 98ZYJMU

Squares and roots of 20135168742

• 20135168742 squared (20135168742²) is 405425020268813862564
• 20135168742 cubed (20135168742³) is 8163301195341337322914936774488
• The square root of 20135168742 is 141898.4451711857
• The cube root of 20135168742 is 2720.5189655493

Scales and comparisons

• 20,135,168,742 seconds is equal to 640 years, 12 weeks, 1 day, 22 hours, 25 minutes, 42 seconds.
• To count from 1 to 20,135,168,742 would take you about one thousand, two hundred eighty 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 20135168742 cubic inches would be around 226.7 feet tall.

Recreational maths with 20135168742

• 20135168742 backwards is 24786153102
• 20135168742 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20135168742's digits is 39
• More coming soon!