21555304312800

Names of 21555304312800

• Cardinal: 21555304312800 can be written as Twenty-one trillion, five hundred fifty-five billion, three hundred four million, three hundred twelve thousand, eight hundred.

Scientific notation

• Scientific notation: 2.15553043128 × 10¹³

Factors of 21555304312800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 108209452

Divisors of 21555304312800

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 83 96 100 120 150 160 166 200 240 249 300 332 400 415 480 498 600 664 800 830 996 1200 1245 1328 1660 1992 2075 2400 2490 2656 3320 3984 4150 4980 6225 6640 7968 8300 9960 12450 13280 16600 19920 24900 33200 39840 49800 66400 99600 199200 108209359 216418718 324628077 432837436 541046795 649256154 865674872 1082093590 1298512308 1623140385 1731349744 2164187180 2597024616 2705233975 3246280770 3462699488 4328374360 5194049232 5410467950 6492561540 8115701925 8656748720 8981376797 10388098464 10820935900 12985123080 16231403850 17313497440 17962753594 21641871800 25970246160 26944130391 32462807700 35925507188 43283743600 44906883985 51940492320 53888260782 64925615400 71851014376 86567487200 89813767970 107776521564 129851230800 134720651955 143702028752 179627535940 215553043128 224534419925 259702461600 269441303910 287404057504 359255071880 431106086256 449068839850 538882607820 673603259775 718510143760 862212172512 898137679700 1077765215640 1347206519550 1437020287520 1796275359400 2155530431280 2694413039100 3592550718800 4311060862560 5388826078200 7185101437600 10777652156400 21555304312800
• Sum of all divisors σ(n): 71007847706880
• Sum of proper divisors (its aliquot sum) s(n): 49452543394080
• 21555304312800 is an abundant number, because the sum of its proper divisors (49452543394080) is greater than itself. Its abundance is 27897239081280

Bases of 21555304312800

• Binary: 100111001101010111100010000011010111111100000₂
• Hexadecimal: 0x139ABC41AFE0
• Base-36: 7N2DBN9PC

Squares and roots of 21555304312800

• 21555304312800 squared (21555304312800²) is 464631144017414280243840000
• 21555304312800 cubed (21555304312800³) is 10015265702499767953244352187633152000000
• The square root of 21555304312800 is 4642769.0350479421
• The cube root of 21555304312800 is 27830.3105700257

Scales and comparisons

• 21,555,304,312,800 seconds is equal to 685,392 years, 19 hours, 20 minutes.
• To count from 1 to 21,555,304,312,800 would take you about one million, seven hundred thirteen thousand, four hundred eighty 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 21555304312800 cubic inches would be around 2319.2 feet tall.

Recreational maths with 21555304312800

• 21555304312800 backwards is 00821340355512
• The number of decimal digits it has is: 14
• The sum of 21555304312800's digits is 39
• More coming soon!