20988427760

Names of 20988427760

• Cardinal: 20988427760 can be written as Twenty billion, nine hundred eighty-eight million, four hundred twenty-seven thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.098842776 × 10¹⁰

Factors of 20988427760

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34115

Divisors of 20988427760

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 11717 22391 23434 44782 46868 58585 89564 93736 111955 117170 179128 187472 223910 234340 358256 447820 468680 895640 937360 1791280 262355347 524710694 1049421388 1311776735 2098842776 2623553470 4197685552 5247106940 10494213880 20988427760
• Sum of all divisors σ(n): 48804438816
• Sum of proper divisors (its aliquot sum) s(n): 27816011056
• 20988427760 is an abundant number, because the sum of its proper divisors (27816011056) is greater than itself. Its abundance is 6827583296

Bases of 20988427760

• Binary: 10011100011000000011111110111110000₂
• Hexadecimal: 0x4E301FDF0
• Base-36: 9N3YUI8

Squares and roots of 20988427760

• 20988427760 squared (20988427760²) is 440514099836738617600
• 20988427760 cubed (20988427760³) is 9245698361684816269499864576000
• The square root of 20988427760 is 144873.8339383617
• The cube root of 20988427760 is 2758.4173065549

Scales and comparisons

• 20,988,427,760 seconds is equal to 667 years, 19 weeks, 14 hours, 49 minutes, 20 seconds.
• To count from 1 to 20,988,427,760 would take you about one thousand, three hundred thirty-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 20988427760 cubic inches would be around 229.9 feet tall.

Recreational maths with 20988427760

• 20988427760 backwards is 06772488902
• The number of decimal digits it has is: 11
• The sum of 20988427760's digits is 53
• More coming soon!