21246163200

Names of 21246163200

• Cardinal: 21246163200 can be written as Twenty-one billion, two hundred forty-six million, one hundred sixty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.12461632 × 10¹⁰

Factors of 21246163200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 368867

Divisors of 21246163200

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 256 288 300 320 360 384 400 450 480 576 600 640 720 768 800 900 960 1152 1200 1280 1440 1600 1800 1920 2304 2400 2880 3200 3600 3840 4800 5760 6400 7200 9600 11520 14400 19200 28800 57600 368857 737714 1106571 1475428 1844285 2213142 2950856 3319713 3688570 4426284 5532855 5901712 6639426 7377140 8852568 9221425 11065710 11803424 13278852 14754280 16598565 17705136 18442850 22131420 23606848 26557704 27664275 29508560 33197130 35410272 36885700 44262840 47213696 53115408 55328550 59017120 66394260 70820544 73771400 82992825 88525680 94427392 106230816 110657100 118034240 132788520 141641088 147542800 165985650 177051360 212461632 221314200 236068480 265577040 283282176 295085600 331971300 354102720 424923264 442628400 472136960 531154080 590171200 663942600 708205440 849846528 885256800 1062308160 1180342400 1327885200 1416410880 1770513600 2124616320 2360684800 2655770400 3541027200 4249232640 5311540800 7082054400 10623081600 21246163200
• Sum of all divisors σ(n): 75960034514
• Sum of proper divisors (its aliquot sum) s(n): 54713871314
• 21246163200 is an abundant number, because the sum of its proper divisors (54713871314) is greater than itself. Its abundance is 33467708114

Bases of 21246163200

• Binary: 10011110010010111101011100100000000₂
• Hexadecimal: 0x4F25EB900
• Base-36: 9RDF0G0

Squares and roots of 21246163200

• 21246163200 squared (21246163200²) is 451399450721034240000
• 21246163200 cubed (21246163200³) is 9590506398409451135827968000000
• The square root of 21246163200 is 145760.6366616173
• The cube root of 21246163200 is 2769.6624159055

Scales and comparisons

• 21,246,163,200 seconds is equal to 675 years, 29 weeks, 1 day, 16 hours.
• To count from 1 to 21,246,163,200 would take you about one thousand, three hundred fifty-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 21246163200 cubic inches would be around 230.8 feet tall.

Recreational maths with 21246163200

• 21246163200 backwards is 00236164212
• The number of decimal digits it has is: 11
• The sum of 21246163200's digits is 27
• More coming soon!