18489957662904399

Names of 18489957662904399

• Cardinal: 18489957662904399 can be written as Eighteen quadrillion, four hundred eighty-nine trillion, nine hundred fifty-seven billion, six hundred sixty-two million, nine hundred four thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8489957662904399 × 10¹⁶

Factors of 18489957662904399

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 186

Divisors of 18489957662904399

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 21 27 49 63 73 81 103 147 189 219 243 309 343 441 511 567 657 721 729 927 1029 1323 1533 1701 1971 2163 2187 2781 3087 3577 3969 4599 5047 5103 5913 6489 6561 7519 8343 9261 10609 10731 11907 13797 15141 15309 17739 19467 22557 25029 25039 27783 31827 32193 35329 35721 41391 45423 45927 52633 53217 58401 67671 74263 75087 75117 83349 95481 96579 105987 107163 124173 136269 157899 159651 175203 203013 222789 225261 225351 250047 286443 289737 317961 321489 368431 372519 408807 473697 478953 519841 525609 609039 668367 675783 676053 750141 774457 859329 869211 953883 1092727 1105293 1117557 1226421 1421091 1559523 1576827 1827117 2005101 2028159 2250423 2323371 2577987 2579017 2607633 2861649 3278181 3315879 3352671 3638887 3679263 4263273 4678569 4730481 5421199 5481351 6015303 6084477 6970113 7649089 7733961 7737051 7822899 8584947 9834543 9947637 10916661 11037789 12789819 14035707 16263597 16444053 18045909 18253431 20910339 22947267 23201883 23211153 23468697 25754841 29503629 29842911 32749983 33113367 37948393 38369457 42107121 48790791 49332159 53543623 54137727 54760293 62731017 68841801 69605649 69633459 77264523 79769071 88510887 89528733 98249949 112550881 113845179 115108371 126321363 146372373 160630869 162413181 164280879 188193051 206525403 208900377 231793569 239307213 265532661 265638751 268586199 294749847 337652643 341535537 345325113 374805361 378964089 439117119 481892607 487239543 558383497 564579153 619576209 626701131 717921639 787856167 796597983 796916253 805758597 884249541 1012957929 1024606611 1124416083 1136892267 1317351357 1445677821 1675150491 1693737459 1858728627 1880103393 2153764917 2363568501 2389793949 2390748759 2417275791 2652748623 3038873787 3073819833 3373248249 3410676801 3908684479 3952054071 4337033463 5025451473 5081212377 5514993169 5576185881 5640310179 6461294751 7090705503 7169381847 7172246277 7958245869 8216214313 9116621361 9221459499 10119744747 11726053437 11856162213 13011100389 15076354419 16544979507 16728557643 16920930537 19383884253 21272116509 21516738831 23874737607 24648642939 27349864083 27360791353 27664378497 30359234241 35178160311 35568486639 38604952183 39033301167 45229063257 49634938521 50185672929 57513500191 58151652759 63816349527 64550216493 73945928817 82049592249 82082374059 82993135491 91077702723 105534480933 115814856549 117099903501 135687189771 148904815563 172540500573 174454958277 191449048581 193650649479 221837786451 246148776747 246247122177 248979406473 273233108169 316603442799 347444569647 351299710503 402594501337 407061569313 446714446689 517621501719 523364874831 574347145743 580951948437 665513359353 738446330241 738741366531 819699324507 949810328397 1042333708941 1207783504011 1221184707939 1340143340067 1552864505157 1723041437229 1742855845311 1996540078059 2216224099593 2459097973521 2818161509359 2849430985191 3127001126823 3623350512033 3663554123817 4020430020201 4658593515471 5169124311687 5989620234177 6648672298779 8454484528077 8548292955573 9381003380469 10870051536099 12061290060603 13975780546413 17968860702531 19946016896337 25363453584231 25644878866719 28143010141407 32610154608297 36183870181809 41927341639239 53906582107593 59838050689011 76090360752693 84429030424221 97830463824891 125782024917717 179514152067033 228271082258079 253287091272663 293491391474673 377346074753151 684813246774237 880474174424019 2054439740322711 2641422523272057 6163319220968133 18489957662904399
• Sum of all divisors σ(n): 33106776319645600
• Sum of proper divisors (its aliquot sum) s(n): 14616818656741201
• 18489957662904399 is a deficient number, because the sum of its proper divisors (14616818656741201) is less than itself. Its deficiency is 3873139006163198

Bases of 18489957662904399

• Binary: 1000001101100001000010010111110011010001101000001001111₂
• Hexadecimal: 0x41B084BE68D04F
• Base-36: 52255ABXLXR

Squares and roots of 18489957662904399

• 18489957662904399 squared (18489957662904399²) is 341878534375997104683928213551201
• 18489957662904399 cubed (18489957662904399³) is 6321319626467992659251531965888041151659554633199
• The square root of 18489957662904399 is 135977783.7108121093
• The cube root of 18489957662904399 is 264430.7594145347

Scales and comparisons

• 18,489,957,662,904,399 seconds is equal to 587,923,460 years, 25 weeks, 1 day, 22 hours, 46 minutes, 39 seconds.
• To count from 1 to 18,489,957,662,904,399 would take you about one billion, seven hundred sixty-three million, seven hundred seventy thousand, three hundred eighty-one 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 18489957662904399 cubic inches would be around 22035.9 feet tall.

Recreational maths with 18489957662904399

• 18489957662904399 backwards is 99340926675998481
• The number of decimal digits it has is: 17
• The sum of 18489957662904399's digits is 99
• More coming soon!