21809555223012

Names of 21809555223012

• Cardinal: 21809555223012 can be written as Twenty-one trillion, eight hundred nine billion, five hundred fifty-five million, two hundred twenty-three thousand and twelve.

Scientific notation

• Scientific notation: 2.1809555223012 × 10¹³

Factors of 21809555223012

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6514204105

Divisors of 21809555223012

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 837 1116 1674 3348 6514204069 13028408138 19542612207 26056816276 39085224414 58627836621 78170448828 117255673242 175883509863 201940326139 234511346484 351767019726 403880652278 605820978417 703534039452 807761304556 1211641956834 1817462935251 2423283913668 3634925870502 5452388805753 7269851741004 10904777611506 21809555223012
• Sum of all divisors σ(n): 58367268467200
• Sum of proper divisors (its aliquot sum) s(n): 36557713244188
• 21809555223012 is an abundant number, because the sum of its proper divisors (36557713244188) is greater than itself. Its abundance is 14748158021176

Bases of 21809555223012

• Binary: 100111101010111101110110010101011000111100100₂
• Hexadecimal: 0x13D5EECAB1E4
• Base-36: 7QB662NL0

Squares and roots of 21809555223012

• 21809555223012 squared (21809555223012²) is 475656699025610009054352144
• 21809555223012 cubed (21809555223012³) is 10373861044594639664120730413165100337728
• The square root of 21809555223012 is 4670070.1518298417
• The cube root of 21809555223012 is 27939.3052734765

Scales and comparisons

• 21,809,555,223,012 seconds is equal to 693,476 years, 20 weeks, 3 days, 16 hours, 10 minutes, 12 seconds.
• To count from 1 to 21,809,555,223,012 would take you about one million, seven hundred thirty-three thousand, six hundred ninety 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 21809555223012 cubic inches would be around 2328.3 feet tall.

Recreational maths with 21809555223012

• 21809555223012 backwards is 21032255590812
• The number of decimal digits it has is: 14
• The sum of 21809555223012's digits is 45
• More coming soon!