20008172080

Names of 20008172080

• Cardinal: 20008172080 can be written as Twenty billion, eight million, one hundred seventy-two thousand and eighty.

Scientific notation

• Scientific notation: 2.000817208 × 10¹⁰

Factors of 20008172080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14912

Divisors of 20008172080

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 1429 2858 5716 7145 11432 13463 14290 18577 22864 26926 28580 37154 53852 57160 67315 74308 92885 107704 114320 134630 148616 175019 185770 215408 269260 297232 350038 371540 538520 700076 743080 875095 1077040 1400152 1486160 1750190 2800304 3500380 7000760 14001520 19238627 38477254 76954508 96193135 153909016 192386270 250102151 307818032 384772540 500204302 769545080 1000408604 1250510755 1539090160 2000817208 2501021510 4001634416 5002043020 10004086040 20008172080
• Sum of all divisors σ(n): 50136166080
• Sum of proper divisors (its aliquot sum) s(n): 30127994000
• 20008172080 is an abundant number, because the sum of its proper divisors (30127994000) is greater than itself. Its abundance is 10119821920

Bases of 20008172080

• Binary: 10010101000100101000111101000110000₂
• Hexadecimal: 0x4A8947A30
• Base-36: 96WCKDS

Squares and roots of 20008172080

• 20008172080 squared (20008172080²) is 400326949982891526400
• 20008172080 cubed (20008172080³) is 8009810503519246716185062912000
• The square root of 20008172080 is 141450.2459524199
• The cube root of 20008172080 is 2714.7872735503

Scales and comparisons

• 20,008,172,080 seconds is equal to 636 years, 10 weeks, 2 days, 1 hour, 34 minutes, 40 seconds.
• To count from 1 to 20,008,172,080 would take you about one thousand, two hundred seventy-two 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 20008172080 cubic inches would be around 226.2 feet tall.

Recreational maths with 20008172080

• 20008172080 backwards is 08027180002
• The number of decimal digits it has is: 11
• The sum of 20008172080's digits is 28
• More coming soon!