20420971880829

Names of 20420971880829

• Cardinal: 20420971880829 can be written as Twenty trillion, four hundred twenty billion, nine hundred seventy-one million, eight hundred eighty thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 2.0420971880829 × 10¹³

Factors of 20420971880829

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3557272

Divisors of 20420971880829

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 13 39 67 169 201 507 871 2197 2613 6591 11323 28561 33969 85683 147199 441597 1913587 3557189 5740761 10671567 46243457 138730371 238331663 601164941 714994989 1803494823 3098311619 7815144233 9294934857 23445432699 40278051047 101596875029 120834153141 304790625087 523614663611 1570843990833 6806990626943 20420971880829
• Sum of all divisors σ(n): 29937140294880
• Sum of proper divisors (its aliquot sum) s(n): 9516168414051
• 20420971880829 is a deficient number, because the sum of its proper divisors (9516168414051) is less than itself. Its deficiency is 10904803466778

Bases of 20420971880829

• Binary: 100101001001010100000110001100110000101111101₂
• Hexadecimal: 0x1292A0C6617D
• Base-36: 78L9JEJJX

Squares and roots of 20420971880829

• 20420971880829 squared (20420971880829²) is 417016092557608705777727241
• 20420971880829 cubed (20420971880829³) is 8515873899972111001460419135860718962789
• The square root of 20420971880829 is 4518956.9461136715
• The cube root of 20420971880829 is 27333.3042630133

Scales and comparisons

• 20,420,971,880,829 seconds is equal to 649,323 years, 38 weeks, 3 days, 5 hours, 7 minutes, 9 seconds.
• To count from 1 to 20,420,971,880,829 would take you about one million, six hundred twenty-three thousand, three hundred nine 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 20420971880829 cubic inches would be around 2277.8 feet tall.

Recreational maths with 20420971880829

• 20420971880829 backwards is 92808817902402
• The number of decimal digits it has is: 14
• The sum of 20420971880829's digits is 60
• More coming soon!