18668018729945200

Names of 18668018729945200

• Cardinal: 18668018729945200 can be written as Eighteen quadrillion, six hundred sixty-eight trillion, eighteen billion, seven hundred twenty-nine million, nine hundred forty-five thousand, two hundred.

Scientific notation

• Scientific notation: 1.86680187299452 × 10¹⁶

Factors of 18668018729945200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 606104504244

Divisors of 18668018729945200

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 35 40 44 50 55 56 70 77 80 88 100 110 112 140 154 175 176 200 220 275 280 308 350 385 400 440 550 560 616 700 770 880 1100 1232 1400 1540 1925 2200 2800 3080 3850 4400 6160 7700 15400 30800 606104504219 1212209008438 2424418016876 3030522521095 4242731529533 4848836033752 6061045042190 6667149546409 8485463059066 9697672067504 12122090084380 13334299092818 15152612605475 16970926118132 21213657647665 24244180168760 26668598185636 30305225210950 33335747732045 33941852236264 42427315295330 46670046824863 48488360337520 53337196371272 60610450421900 66671495464090 67883704472528 84854630590660 93340093649726 106068288238325 106674392742544 121220900843800 133342990928180 166678738660225 169709261181320 186680187299452 212136576476650 233350234124315 242441801687600 266685981856360 333357477320450 339418522362640 373360374598904 424273152953300 466700468248630 533371963712720 666714954640900 746720749197808 848546305906600 933400936497260 1166751170621575 1333429909281800 1697092611813200 1866801872994520 2333502341243150 2666859818563600 3733603745989040 4667004682486300 9334009364972600 18668018729945200
• Sum of all divisors σ(n): 55916777141320320
• Sum of proper divisors (its aliquot sum) s(n): 37248758411375120
• 18668018729945200 is an abundant number, because the sum of its proper divisors (37248758411375120) is greater than itself. Its abundance is 18580739681429920

Bases of 18668018729945200

• Binary: 1000010010100100111011011010001000011110000100001110000₂
• Hexadecimal: 0x425276D10F0870
• Base-36: 53T9DETUKJ4

Squares and roots of 18668018729945200

• 18668018729945200 squared (18668018729945200²) is 348494923301584798047195003040000
• 18668018729945200 cubed (18668018729945200³) is 6505709755484800926831376893780140653033408000000
• The square root of 18668018729945200 is 136630958.1681443087
• The cube root of 18668018729945200 is 265276.8850588619

Scales and comparisons

• 18,668,018,729,945,200 seconds is equal to 593,585,251 years, 33 weeks, 1 day, 14 hours, 6 minutes, 40 seconds.
• To count from 1 to 18,668,018,729,945,200 would take you about one billion, seven hundred eighty million, seven hundred fifty-five thousand, seven hundred fifty-four 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 18668018729945200 cubic inches would be around 22106.4 feet tall.

Recreational maths with 18668018729945200

• 18668018729945200 backwards is 00254992781086681
• The number of decimal digits it has is: 17
• The sum of 18668018729945200's digits is 76
• More coming soon!