20997210144

Names of 20997210144

• Cardinal: 20997210144 can be written as Twenty billion, nine hundred ninety-seven million, two hundred ten thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.0997210144 × 10¹⁰

Factors of 20997210144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 29850

Divisors of 20997210144

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 47 48 94 96 141 157 188 282 314 376 471 564 628 752 942 1128 1256 1504 1884 2256 2512 3768 4512 5024 7379 7536 14758 15072 22137 29516 29641 44274 59032 59282 88548 88923 118064 118564 177096 177846 236128 237128 354192 355692 474256 708384 711384 948512 1393127 1422768 2786254 2845536 4179381 4653637 5572508 8358762 9307274 11145016 13960911 16717524 18614548 22290032 27921822 33435048 37229096 44580064 55843644 66870096 74458192 111687288 133740192 148916384 218720939 223374576 437441878 446749152 656162817 874883756 1312325634 1749767512 2624651268 3499535024 5249302536 6999070048 10498605072 20997210144
• Sum of all divisors σ(n): 56650841856
• Sum of proper divisors (its aliquot sum) s(n): 35653631712
• 20997210144 is an abundant number, because the sum of its proper divisors (35653631712) is greater than itself. Its abundance is 14656421568

Bases of 20997210144

• Binary: 10011100011100010000000000000100000₂
• Hexadecimal: 0x4E3880020
• Base-36: 9N9731C

Squares and roots of 20997210144

• 20997210144 squared (20997210144²) is 440882833831296500736
• 20997210144 cubed (20997210144³) is 9257309510837965269925642665984
• The square root of 20997210144 is 144904.1412244659
• The cube root of 20997210144 is 2758.8019963487

Scales and comparisons

• 20,997,210,144 seconds is equal to 667 years, 33 weeks, 4 days, 6 hours, 22 minutes, 24 seconds.
• To count from 1 to 20,997,210,144 would take you about one thousand, three hundred thirty-five 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 20997210144 cubic inches would be around 229.9 feet tall.

Recreational maths with 20997210144

• 20997210144 backwards is 44101279902
• The number of decimal digits it has is: 11
• The sum of 20997210144's digits is 39
• More coming soon!