20018909081885200

Names of 20018909081885200

• Cardinal: 20018909081885200 can be written as Twenty quadrillion, eighteen trillion, nine hundred nine billion, eighty-one million, eight hundred eighty-five thousand, two hundred.

Scientific notation

• Scientific notation: 2.00189090818852 × 10¹⁶

Factors of 20018909081885200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 864599

Divisors of 20018909081885200

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 163 199 200 326 398 400 652 796 815 995 1304 1592 1630 1789 1990 2608 3184 3260 3578 3980 4075 4975 6520 7156 7960 8150 8945 9950 13040 14312 15920 16300 17890 19900 28624 32437 32600 35780 39800 44725 64874 65200 71560 79600 89450 129748 143120 162185 178900 259496 291607 324370 356011 357800 518992 583214 648740 712022 715600 810925 862441 1166428 1297480 1424044 1458035 1621850 1724882 1780055 2332856 2594960 2848088 2916070 3243700 3449764 3560110 4312205 4665712 5696176 5832140 6487400 6899528 7120220 7290175 8624410 8900275 11664280 12974800 13799056 14240440 14580350 17248820 17800550 21561025 23328560 28480880 29160700 34497640 35601100 43122050 58029793 58321400 68995280 71202200 86244100 116059586 116642800 140577883 142404400 171625759 172488200 232119172 281155766 290148965 343251518 344976400 464238344 562311532 580297930 686503036 702889415 858128795 928476688 1124623064 1160595860 1373006072 1405778830 1450744825 1542906949 1716257590 2249246128 2321191720 2746012144 2811557660 2901489650 3085813898 3432515180 3514447075 4290643975 4642383440 5623115320 5802979300 6171627796 6865030360 7028894150 7714534745 8581287950 11246230640 11605958600 12343255592 13730060720 14057788300 15429069490 17162575900 23211917200 24686511184 27974998717 28115576600 30858138980 34325151800 38572673725 55949997434 56231153200 61716277960 68650303600 77145347450 111899994868 123432555920 139874993585 154290694900 223799989736 251493832687 279749987170 307038482851 308581389800 447599979472 502987665374 559499974340 614076965702 617162779600 699374967925 1005975330748 1118999948680 1228153931404 1257469163435 1398749935850 1535192414255 2011950661496 2237999897360 2456307862808 2514938326870 2797499871700 3070384828510 4023901322992 4912615725616 5029876653740 5594999743400 6140769657020 6287345817175 7675962071275 10059753307480 11189999486800 12281539314040 12574691634350 15351924142550 20119506614960 24563078628080 25149383268700 30703848285100 50047272704713 50298766537400 61407696570200 100094545409426 100597533074800 122815393140400 200189090818852 250236363523565 400378181637704 500472727047130 800756363275408 1000945454094260 1251181817617825 2001890908188520 2502363635235650 4003781816377040 5004727270471300 10009454540942600 20018909081885200
• Sum of all divisors σ(n): 48660902610544000
• Sum of proper divisors (its aliquot sum) s(n): 28641993528658800
• 20018909081885200 is an abundant number, because the sum of its proper divisors (28641993528658800) is greater than itself. Its abundance is 8623084446773600

Bases of 20018909081885200

• Binary: 1000111000111110001011101111100100111011101101000010000₂
• Hexadecimal: 0x471F177C9DDA10
• Base-36: 5H43ZVEFSWG

Squares and roots of 20018909081885200

• 20018909081885200 squared (20018909081885200²) is 400756720828785741198785979040000
• 20018909081885200 cubed (20018909081885200³) is 8022712358225910569965333600088497010886208000000
• The square root of 20018909081885200 is 141488194.1431340765
• The cube root of 20018909081885200 is 271527.2799555805

Scales and comparisons

• 20,018,909,081,885,200 seconds is equal to 636,539,386 years, 13 weeks, 21 hours, 26 minutes, 40 seconds.
• To count from 1 to 20,018,909,081,885,200 would take you about one billion, nine hundred nine million, six hundred eighteen thousand, one hundred fifty-eight 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 20018909081885200 cubic inches would be around 22627.3 feet tall.

Recreational maths with 20018909081885200

• 20018909081885200 backwards is 00258818090981002
• The number of decimal digits it has is: 17
• The sum of 20018909081885200's digits is 61
• More coming soon!