218448150921

Names of 218448150921

• Cardinal: 218448150921 can be written as Two hundred eighteen billion, four hundred forty-eight million, one hundred fifty thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 2.18448150921 × 10¹¹

Factors of 218448150921

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 239

Divisors of 218448150921

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 9 11 13 21 33 39 41 49 63 67 77 91 97 99 117 123 143 147 169 201 231 273 287 291 369 429 441 451 469 507 533 539 603 637 679 693 737 819 861 871 873 1001 1067 1183 1261 1287 1353 1407 1521 1599 1617 1859 1911 2009 2037 2211 2583 2613 2747 3003 3157 3201 3283 3549 3731 3783 3977 4059 4221 4753 4797 4851 5159 5577 5733 5863 6027 6097 6111 6499 6633 6929 7007 7469 7839 8241 8281 8827 9009 9471 9581 9603 9849 10647 11193 11323 11349 11931 13013 13871 14259 15477 16393 16731 17589 18081 18291 19229 19497 20787 21021 22099 22407 24723 24843 26117 26481 27839 28413 28743 29547 30217 33579 33969 35711 35793 36113 39039 41041 41613 42679 42777 43747 45493 46431 48503 49179 51701 52283 52767 54873 57687 58491 61789 62361 63063 66297 67067 67221 71489 74529 76219 78351 79261 79443 83517 84487 86229 90651 91091 97097 101907 107133 108339 114751 117117 123123 124553 124839 128037 131241 134603 136479 145509 147537 155103 156849 173061 180323 185367 194873 198891 201201 211519 214467 228657 235053 237783 249977 250551 253461 266459 271953 273273 287287 291291 306229 318451 321399 325017 339521 344253 361907 369369 373659 384111 392821 393723 403809 409437 436527 464243 465309 469469 470547 500423 533533 540969 554827 556101 568711 584619 591409 603603 634557 643401 672113 679679 685971 713349 749931 760383 799377 803257 819819 861861 871871 873873 918687 929357 955353 1018563 1032759 1085721 1098331 1120977 1178463 1211427 1262261 1392729 1408407 1480633 1501269 1600599 1622907 1664481 1706133 1749839 1753857 1774227 1865213 1903671 2016339 2039037 2143603 2249793 2398131 2409771 2533349 2585583 2615613 2749747 2756061 2788071 2866059 2931049 3055689 3249701 3257163 3294993 3463967 3502961 3535389 3734731 3786783 3980977 4139863 4178187 4225221 4441899 4503807 4704791 4801797 4993443 5106673 5118399 5249517 5322681 5595639 6049017 6103097 6117111 6430809 6505499 7229313 7393243 7600047 7688317 7846839 8249241 8364213 8793147 8835827 9749103 9884979 10391901 10508883 11204193 11360349 11942931 12081641 12419589 13056491 13325697 14114373 15320019 15748551 16786917 18309291 19248229 19292427 19516497 20517343 22179729 22747907 22800141 23064951 24247769 24747723 26379441 26507481 27866839 29247309 31175703 31526649 32933537 33612579 35746711 35828793 36244923 37258767 38103637 39169473 42343119 45031571 45538493 45960057 51752701 53818219 54927873 57744687 58549491 61552029 66539187 68243721 69194853 72743307 79522443 83600517 84571487 98800611 107240133 108734769 114310911 117508419 135094713 136615479 143621401 155258103 161454657 169734383 173234061 184656087 204731163 218229921 250226977 250801551 253714461 266725459 296401833 315220997 321720399 342932733 362268907 405284139 409846437 430864203 465774309 484363971 495347281 509203149 592000409 750680931 761143383 800176377 945662991 1086806721 1292592609 1486041843 1527609447 1776001227 1867078213 2206546979 2252042793 2400529131 2836988973 3260420163 3467430967 4458125529 5328003681 5601234639 6619640937 10402292901 16803703917 19858922811 24272016769 31206878703 72816050307 218448150921
• Sum of all divisors σ(n): 455443829568
• Sum of proper divisors (its aliquot sum) s(n): 236995678647
• 218448150921 is an abundant number, because the sum of its proper divisors (236995678647) is greater than itself. Its abundance is 18547527726

Bases of 218448150921

• Binary: 11001011011100100001100100000110001001₂
• Hexadecimal: 0x32DC864189
• Base-36: 2SCQE009

Squares and roots of 218448150921

• 218448150921 squared (218448150921²) is 47719594640803993148241
• 218448150921 cubed (218448150921³) is 10424257211983293480026399893679961
• The square root of 218448150921 is 467384.3717124053
• The cube root of 218448150921 is 6022.5829591033

Scales and comparisons

• 218,448,150,921 seconds is equal to 6,945 years, 50 weeks, 5 days, 1 hour, 55 minutes, 21 seconds.
• To count from 1 to 218,448,150,921 would take you about thirteen thousand, eight hundred ninety-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 218448150921 cubic inches would be around 501.9 feet tall.

Recreational maths with 218448150921

• 218448150921 backwards is 129051844812
• The number of decimal digits it has is: 12
• The sum of 218448150921's digits is 45
• More coming soon!