21343263500

Names of 21343263500

• Cardinal: 21343263500 can be written as Twenty-one billion, three hundred forty-three million, two hundred sixty-three thousand, five hundred.

Scientific notation

• Scientific notation: 2.13432635 × 10¹⁰

Factors of 21343263500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 252603

Divisors of 21343263500

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 169 250 260 325 338 500 650 676 845 1300 1625 1690 3250 3380 4225 6500 8450 16900 21125 42250 84500 252583 505166 1010332 1262915 2525830 3283579 5051660 6314575 6567158 12629150 13134316 16417895 25258300 31572875 32835790 42686527 63145750 65671580 82089475 85373054 126291500 164178950 170746108 213432635 328357900 410447375 426865270 820894750 853730540 1067163175 1641789500 2134326350 4268652700 5335815875 10671631750 21343263500
• Sum of all divisors σ(n): 50475376224
• Sum of proper divisors (its aliquot sum) s(n): 29132112724
• 21343263500 is an abundant number, because the sum of its proper divisors (29132112724) is greater than itself. Its abundance is 7788849224

Bases of 21343263500

• Binary: 10011111000001010000101101100001100₂
• Hexadecimal: 0x4F8285B0C
• Base-36: 9SZ87IK

Squares and roots of 21343263500

• 21343263500 squared (21343263500²) is 455534896830432250000
• 21343263500 cubed (21343263500³) is 9722601336497230330647875000000
• The square root of 21343263500 is 146093.3383149277
• The cube root of 21343263500 is 2773.8753552145

Scales and comparisons

• 21,343,263,500 seconds is equal to 678 years, 33 weeks, 5 days, 12 hours, 18 minutes, 20 seconds.
• To count from 1 to 21,343,263,500 would take you about one thousand, three hundred fifty-seven 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 21343263500 cubic inches would be around 231.2 feet tall.

Recreational maths with 21343263500

• 21343263500 backwards is 00536234312
• The number of decimal digits it has is: 11
• The sum of 21343263500's digits is 29
• More coming soon!