18428492655405

Names of 18428492655405

• Cardinal: 18428492655405 can be written as Eighteen trillion, four hundred twenty-eight billion, four hundred ninety-two million, six hundred fifty-five thousand, four hundred five.

Scientific notation

• Scientific notation: 1.8428492655405 × 10¹³

Factors of 18428492655405

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 149

Divisors of 18428492655405

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 37 45 49 63 81 97 105 111 135 147 185 189 243 245 259 291 315 333 343 405 441 485 555 567 679 729 735 777 873 945 999 1029 1215 1295 1323 1369 1455 1665 1701 1715 1813 2037 2187 2205 2331 2619 2835 2997 3087 3395 3589 3645 3885 3969 4107 4365 4753 4995 5103 5145 5439 6111 6615 6845 6993 7857 8505 8991 9065 9261 9583 10185 10767 10935 11655 11907 12321 12691 13095 14259 14985 15309 15435 16317 17945 18333 19845 20535 20979 23571 23765 25123 25515 26973 27195 27783 28749 30555 32301 33271 34965 35721 36963 38073 39285 42777 44955 46305 47915 48951 50653 53835 54999 59535 61605 62937 63455 67081 70713 71295 75369 76545 80919 81585 83349 86247 91665 96903 99813 104895 107163 110889 114219 117855 125615 128331 132793 134865 138915 143745 146853 151959 161505 164997 166355 175861 178605 184815 188811 190365 201243 212139 213885 226107 244755 250047 253265 258741 274995 290709 299439 314685 332667 335405 342657 353565 354571 376845 384993 398379 404595 416745 431235 440559 455877 469567 484515 494991 499065 527583 535815 554445 566433 571095 603729 641655 663965 678321 734265 750141 759795 776223 824985 872127 879305 898317 929551 944055 998001 1006215 1027971 1060695 1063713 1130535 1154979 1195137 1231027 1250235 1293705 1321677 1367631 1408701 1453545 1484973 1497195 1582749 1663335 1713285 1772855 1811187 1924965 1991895 2034963 2202795 2279385 2328669 2347835 2474955 2481997 2616381 2637915 2694951 2788653 2832165 2994003 3018645 3083913 3191139 3391605 3464937 3585411 3693081 3750705 3881115 3965031 4102893 4226103 4360635 4491585 4647755 4748247 4913341 4990005 5139855 5318565 5433561 5774895 5975685 6104889 6155135 6506857 6608385 6838155 6986007 7043505 7424865 7445991 7849143 7913745 8084853 8365959 9055935 9251739 9573417 10174815 10394811 10756233 11079243 11643345 12308679 12409985 12678309 13081905 13474755 13943265 14244741 14740023 14970015 15419565 15955695 16300683 17324685 17373979 17927055 18314667 18465405 19520571 19825155 20514465 20958021 21130515 22337973 23741235 24254559 24566705 25097877 27167805 27755217 28720251 30524445 32268699 32534285 33237729 34393387 34930035 36926037 37229955 38034927 39245715 40424265 41829795 42734223 44220069 45547999 46258695 47867085 48902049 51974055 52121937 53781165 54944001 55396215 58561713 61543395 63391545 67013919 71223705 72763677 73700115 75293631 81503415 86160753 86869895 91573335 96806097 97602855 99713187 103180161 104790105 110778111 111689865 114104781 121272795 125489385 128202669 132660207 136643997 138776085 143601255 146706147 156365811 161343495 166188645 171966935 175685139 184630185 190174635 201041757 213671115 221100345 225880893 227739995 240753709 244510245 258482259 260609685 274720005 290418291 292808565 299139561 309540483 335069595 342314343 363818385 376468155 384608007 397980621 409931991 430803765 469097433 484030485 498565935 515900805 527055417 553890555 570523905 603125271 641013345 663301035 677642679 683219985 722261127 733530735 775446777 781829055 878425695 897418683 928621449 1005208785 1026943029 1129404465 1193941863 1203768545 1229795973 1292411295 1407292299 1452091455 1495697805 1547702415 1581166251 1685275963 1711571715 1809375813 1923040035 1989903105 2032928037 2049659955 2166783381 2345487165 2635277085 2692256049 2785864347 3015626355 3388213395 3581825589 3611305635 3689387919 3877233885 4221876897 4487093415 4643107245 4743498753 5055827889 5134715145 5428127439 5969709315 6148979865 6500350143 7036461495 7905831255 8357593041 8426379815 9046879065 10164640185 10745476767 10833916905 11068163757 12665630691 13461280245 13929321735 14230496259 15167483667 17909127945 18446939595 19501050429 21109384485 23717493765 25072779123 25279139445 27140637195 32501750715 33204491271 37996892073 41787965205 45502451001 53727383835 55340818785 58503151287 63328153455 71152481295 75218337369 75837418335 97505252145 99613473813 125363895615 136507353003 166022456355 175509453861 189984460365 227512255005 292515756435 376091686845 409522059009 498067369065 526528361583 682536765015 877547269305 1228566177027 2047610295045 2632641807915 3685698531081 6142830885135 18428492655405
• Sum of all divisors σ(n): 40161999360000
• Sum of proper divisors (its aliquot sum) s(n): 21733506704595
• 18428492655405 is an abundant number, because the sum of its proper divisors (21733506704595) is greater than itself. Its abundance is 3305014049190

Bases of 18428492655405

• Binary: 100001100001010110111110000100010101100101101₂
• Hexadecimal: 0x10C2B7C22B2D
• Base-36: 6J5XKPTT9

Squares and roots of 18428492655405

• 18428492655405 squared (18428492655405²) is 339609341550316028075714025
• 18428492655405 cubed (18428492655405³) is 6258488256466927019649947684963650555125
• The square root of 18428492655405 is 4292842.0254424691
• The cube root of 18428492655405 is 26413.7423934527

Scales and comparisons

• 18,428,492,655,405 seconds is equal to 585,969 years, 3 weeks, 2 days, 1 hour, 36 minutes, 45 seconds.
• To count from 1 to 18,428,492,655,405 would take you about one million, four hundred sixty-four thousand, nine hundred twenty-two 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 18428492655405 cubic inches would be around 2201.1 feet tall.

Recreational maths with 18428492655405

• 18428492655405 backwards is 50455629482481
• 18428492655405 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18428492655405's digits is 63
• More coming soon!