20821069824

Names of 20821069824

• Cardinal: 20821069824 can be written as Twenty billion, eight hundred twenty-one million, sixty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.0821069824 × 10¹⁰

Factors of 20821069824

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1694428

Divisors of 20821069824

• Number of divisors d(n): 52
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 6144 12288 1694423 3388846 5083269 6777692 10166538 13555384 20333076 27110768 40666152 54221536 81332304 108443072 162664608 216886144 325329216 433772288 650658432 867544576 1301316864 1735089152 2602633728 3470178304 5205267456 6940356608 10410534912 20821069824
• Sum of all divisors σ(n): 55516107936
• Sum of proper divisors (its aliquot sum) s(n): 34695038112
• 20821069824 is an abundant number, because the sum of its proper divisors (34695038112) is greater than itself. Its abundance is 13873968288

Bases of 20821069824

• Binary: 10011011001000010000101000000000000₂
• Hexadecimal: 0x4D9085000
• Base-36: 9KCBSAO

Squares and roots of 20821069824

• 20821069824 squared (20821069824²) is 433516948615883390976
• 20821069824 cubed (20821069824³) is 9026286657018728238953187508224
• The square root of 20821069824 is 144295.0790013295
• The cube root of 20821069824 is 2751.0660252301

Scales and comparisons

• 20,821,069,824 seconds is equal to 662 years, 2 weeks, 2 days, 14 hours, 30 minutes, 24 seconds.
• To count from 1 to 20,821,069,824 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 20821069824 cubic inches would be around 229.3 feet tall.

Recreational maths with 20821069824

• 20821069824 backwards is 42896012802
• The number of decimal digits it has is: 11
• The sum of 20821069824's digits is 42
• More coming soon!