20820216144

Names of 20820216144

• Cardinal: 20820216144 can be written as Twenty billion, eight hundred twenty million, two hundred sixteen thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.0820216144 × 10¹⁰

Factors of 20820216144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4766558

Divisors of 20820216144

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 2184 4368 4766533 9533066 14299599 19066132 28599198 33365731 38132264 57198396 61964929 66731462 76264528 100097193 114396792 123929858 133462924 185894787 200194386 228793584 247859716 266925848 371789574 400388772 433754503 495719432 533851696 743579148 800777544 867509006 991438864 1301263509 1487158296 1601555088 1735018012 2602527018 2974316592 3470036024 5205054036 6940072048 10410108072 20820216144
• Sum of all divisors σ(n): 66197624192
• Sum of proper divisors (its aliquot sum) s(n): 45377408048
• 20820216144 is an abundant number, because the sum of its proper divisors (45377408048) is greater than itself. Its abundance is 24557191904

Bases of 20820216144

• Binary: 10011011000111110110100100101010000₂
• Hexadecimal: 0x4D8FB4950
• Base-36: 9KBTHLC

Squares and roots of 20820216144

• 20820216144 squared (20820216144²) is 433481400282878228736
• 20820216144 cubed (20820216144³) is 9025176448293307464715391913984
• The square root of 20820216144 is 144292.1208659707
• The cube root of 20820216144 is 2751.0284261033

Scales and comparisons

• 20,820,216,144 seconds is equal to 662 years, 6 days, 17 hours, 22 minutes, 24 seconds.
• To count from 1 to 20,820,216,144 would take you about one thousand, three hundred twenty-four 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 20820216144 cubic inches would be around 229.3 feet tall.

Recreational maths with 20820216144

• 20820216144 backwards is 44161202802
• The number of decimal digits it has is: 11
• The sum of 20820216144's digits is 30
• More coming soon!