20812988280800

Names of 20812988280800

• Cardinal: 20812988280800 can be written as Twenty trillion, eight hundred twelve billion, nine hundred eighty-eight million, two hundred eighty thousand, eight hundred.

Scientific notation

• Scientific notation: 2.08129882808 × 10¹³

Factors of 20812988280800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 327167

Divisors of 20812988280800

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 136337 190823 272674 381646 545348 681685 763292 954115 1090696 1363370 1526584 1908230 2181392 2726740 3053168 3408425 3816460 4362784 4770575 5453480 6106336 6816850 7632920 9541150 10906960 13633700 15265840 19082300 21813920 27267400 30531680 38164600 54534800 76329200 109069600 152658400 26016235351 52032470702 104064941404 130081176755 208129882808 260162353510 416259765616 520324707020 650405883775 832519531232 1040649414040 1300811767550 2081298828080 2601623535100 4162597656160 5203247070200 10406494140400 20812988280800
• Sum of all divisors σ(n): 50810346585936
• Sum of proper divisors (its aliquot sum) s(n): 29997358305136
• 20812988280800 is an abundant number, because the sum of its proper divisors (29997358305136) is greater than itself. Its abundance is 9184370024336

Bases of 20812988280800

• Binary: 100101110110111100110110001011110111111100000₂
• Hexadecimal: 0x12EDE6C5EFE0
• Base-36: 7DLCRUHNK

Squares and roots of 20812988280800

• 20812988280800 squared (20812988280800²) is 433180481176718139648640000
• 20812988280800 cubed (20812988280800³) is 9015780278202339634311922149658112000000
• The square root of 20812988280800 is 4562125.4126558161
• The cube root of 20812988280800 is 27507.1004390535

Scales and comparisons

• 20,812,988,280,800 seconds is equal to 661,788 years, 33 weeks, 5 days, 1 hour, 33 minutes, 20 seconds.
• To count from 1 to 20,812,988,280,800 would take you about one million, six hundred fifty-four thousand, four hundred seventy-one 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 20812988280800 cubic inches would be around 2292.3 feet tall.

Recreational maths with 20812988280800

• 20812988280800 backwards is 00808288921802
• The number of decimal digits it has is: 14
• The sum of 20812988280800's digits is 56
• More coming soon!