21809941120

Names of 21809941120

• Cardinal: 21809941120 can be written as Twenty-one billion, eight hundred nine million, nine hundred forty-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.180994112 × 10¹⁰

Factors of 21809941120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7254

Divisors of 21809941120

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 457 640 704 880 914 1408 1760 1828 2285 3520 3656 4570 5027 6779 7040 7312 9140 10054 13558 14624 18280 20108 25135 27116 29248 33895 36560 40216 50270 54232 58496 67790 73120 74569 80432 100540 108464 135580 146240 149138 160864 201080 216928 271160 292480 298276 321728 372845 402160 433856 542320 596552 643456 745690 804320 867712 1084640 1193104 1491380 1608640 2169280 2386208 2982760 3098003 3217280 4338560 4772416 5965520 6196006 9544832 11931040 12392012 15490015 23862080 24784024 30980030 34078033 47724160 49568048 61960060 68156066 99136096 123920120 136312132 170390165 198272192 247840240 272624264 340780330 396544384 495680480 545248528 681560660 991360960 1090497056 1363121320 1982721920 2180994112 2726242640 4361988224 5452485280 10904970560 21809941120
• Sum of all divisors σ(n): 57012206400
• Sum of proper divisors (its aliquot sum) s(n): 35202265280
• 21809941120 is an abundant number, because the sum of its proper divisors (35202265280) is greater than itself. Its abundance is 13392324160

Bases of 21809941120

• Binary: 10100010011111110010100101010000000₂
• Hexadecimal: 0x513F94A80
• Base-36: A0P2Q9S

Squares and roots of 21809941120

• 21809941120 squared (21809941120²) is 475673531657866854400
• 21809941120 cubed (21809941120³) is 10374411717800532079263612928000
• The square root of 21809941120 is 147681.8916455231
• The cube root of 21809941120 is 2793.9470057979

Scales and comparisons

• 21,809,941,120 seconds is equal to 693 years, 25 weeks, 2 days, 20 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,809,941,120 would take you about one thousand, three hundred eighty-six 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 21809941120 cubic inches would be around 232.8 feet tall.

Recreational maths with 21809941120

• 21809941120 backwards is 02114990812
• The number of decimal digits it has is: 11
• The sum of 21809941120's digits is 37
• More coming soon!