20820813984

Names of 20820813984

• Cardinal: 20820813984 can be written as Twenty billion, eight hundred twenty million, eight hundred thirteen thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.0820813984 × 10¹⁰

Factors of 20820813984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 105319

Divisors of 20820813984

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 691 1382 2073 2764 4146 5528 6219 8292 11056 12438 16584 22112 24876 33168 49752 66336 99504 104623 199008 209246 313869 418492 627738 836984 941607 1255476 1673968 1883214 2510952 3347936 3766428 5021904 7532856 10043808 15065712 30131424 72294493 144588986 216883479 289177972 433766958 578355944 650650437 867533916 1156711888 1301300874 1735067832 2313423776 2602601748 3470135664 5205203496 6940271328 10410406992 20820813984
• Sum of all divisors σ(n): 59295442752
• Sum of proper divisors (its aliquot sum) s(n): 38474628768
• 20820813984 is an abundant number, because the sum of its proper divisors (38474628768) is greater than itself. Its abundance is 17653814784

Bases of 20820813984

• Binary: 10011011001000001000110100010100000₂
• Hexadecimal: 0x4D90468A0
• Base-36: 9KC6AW0

Squares and roots of 20820813984

• 20820813984 squared (20820813984²) is 433506294956329952256
• 20820813984 cubed (20820813984³) is 9025953928178783339249777147904
• The square root of 20820813984 is 144294.1924818875
• The cube root of 20820813984 is 2751.0547572273

Scales and comparisons

• 20,820,813,984 seconds is equal to 662 years, 1 week, 6 days, 15 hours, 26 minutes, 24 seconds.
• To count from 1 to 20,820,813,984 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 20820813984 cubic inches would be around 229.3 feet tall.

Recreational maths with 20820813984

• 20820813984 backwards is 48931802802
• The number of decimal digits it has is: 11
• The sum of 20820813984's digits is 45
• More coming soon!