20818285200

Names of 20818285200

• Cardinal: 20818285200 can be written as Twenty billion, eight hundred eighteen million, two hundred eighty-five thousand, two hundred.

Scientific notation

• Scientific notation: 2.08182852 × 10¹⁰

Factors of 20818285200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1927629

Divisors of 20818285200

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 360 400 432 450 540 600 675 720 900 1080 1200 1350 1800 2160 2700 3600 5400 10800 1927619 3855238 5782857 7710476 9638095 11565714 15420952 17348571 19276190 23131428 28914285 30841904 34697142 38552380 46262856 48190475 52045713 57828570 69394284 77104760 86742855 92525712 96380950 104091426 115657140 138788568 144571425 154209520 173485710 192761900 208182852 231314280 260228565 277577136 289142850 346971420 385523800 416365704 433714275 462628560 520457130 578285700 693942840 771047600 832731408 867428550 1040914260 1156571400 1301142825 1387885680 1734857100 2081828520 2313142800 2602285650 3469714200 4163657040 5204571300 6939428400 10409142600 20818285200
• Sum of all divisors σ(n): 74097712800
• Sum of proper divisors (its aliquot sum) s(n): 53279427600
• 20818285200 is an abundant number, because the sum of its proper divisors (53279427600) is greater than itself. Its abundance is 32461142400

Bases of 20818285200

• Binary: 10011011000110111011101001010010000₂
• Hexadecimal: 0x4D8DDD290
• Base-36: 9KAO3O0

Squares and roots of 20818285200

• 20818285200 squared (20818285200²) is 433400998668539040000
• 20818285200 cubed (20818285200³) is 9022665596246466002054208000000
• The square root of 20818285200 is 144285.4296178237
• The cube root of 20818285200 is 2750.9433766169

Scales and comparisons

• 20,818,285,200 seconds is equal to 661 years, 49 weeks, 5 days, 9 hours.
• To count from 1 to 20,818,285,200 would take you about one thousand, three hundred twenty-three 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 20818285200 cubic inches would be around 229.2 feet tall.

Recreational maths with 20818285200

• 20818285200 backwards is 00258281802
• 20818285200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20818285200's digits is 36
• More coming soon!