28018368400500

Names of 28018368400500

• Cardinal: 28018368400500 can be written as Twenty-eight trillion, eighteen billion, three hundred sixty-eight million, four hundred thousand, five hundred.

Scientific notation

• Scientific notation: 2.80183684005 × 10¹³

Factors of 28018368400500

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6925881

Divisors of 28018368400500

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 29 30 31 36 45 50 58 60 62 75 87 90 93 100 116 124 125 145 150 155 174 180 186 225 250 261 279 290 300 310 348 372 375 435 450 465 500 522 558 580 620 725 750 775 870 899 900 930 1044 1116 1125 1305 1395 1450 1500 1550 1740 1798 1860 2175 2250 2325 2610 2697 2790 2900 3100 3596 3625 3875 4350 4495 4500 4650 5220 5394 5580 6525 6975 7250 7750 8091 8700 8990 9300 10788 10875 11625 13050 13485 13950 14500 15500 16182 17980 21750 22475 23250 26100 26970 27900 32364 32625 34875 40455 43500 44950 46500 53940 65250 67425 69750 80910 89900 112375 130500 134850 139500 161820 202275 224750 269700 337125 404550 449500 674250 809100 1011375 1348500 2022750 4045500 6925811 13851622 20777433 27703244 34629055 41554866 62332299 69258110 83109732 103887165 124664598 138516220 173145275 200848519 207774330 214700141 249329196 311661495 346290550 401697038 415548660 429400282 519435825 602545557 623322990 644100423 692581100 803394076 858800564 865726375 1004242595 1038871650 1073500705 1205091114 1246645980 1288200846 1558307475 1731452750 1807636671 1932301269 2008485190 2077743300 2147001410 2410182228 2576401692 2597179125 3012727785 3116614950 3220502115 3462905500 3615273342 3864602538 4016970380 4294002820 5021212975 5194358250 5367503525 6025455570 6226304089 6233229900 6441004230 7230546684 7729205076 7791537375 9038183355 9661506345 10042425950 10388716500 10735007050 12050911140 12452608178 12882008460 15063638925 15583074750 16102510575 18076366710 18678912267 19323012690 20084851900 21470014100 24905216356 25106064875 26837517625 30127277850 31131520445 31166149500 32205021150 36152733420 37357824534 38646025380 45190916775 48307531725 50212129750 53675035250 56036736801 60254555700 62263040890 64410042300 74715649068 75318194625 80512552875 90381833550 93394561335 96615063450 100424259500 107350070500 112073473602 124526081780 150636389250 155657602225 161025105750 180763667100 186789122670 193230126900 224146947204 225954583875 241537658625 280183684005 301272778500 311315204450 322050211500 373578245340 451909167750 466972806675 483075317250 560367368010 622630408900 778288011125 903818335500 933945613350 966150634500 1120734736020 1400918420025 1556576022250 1867891226700 2334864033375 2801836840050 3113152044500 4669728066750 5603673680100 7004592100125 9339456133500 14009184200250 28018368400500
• Sum of all divisors σ(n): 94386074065920
• Sum of proper divisors (its aliquot sum) s(n): 66367705665420
• 28018368400500 is an abundant number, because the sum of its proper divisors (66367705665420) is greater than itself. Its abundance is 38349337264920

Bases of 28018368400500

• Binary: 110010111101110001000111001010100110001110100₂
• Hexadecimal: 0x197B88E54C74
• Base-36: 9XJGL4S50

Squares and roots of 28018368400500

• 28018368400500 squared (28018368400500²) is 785028967826136928400250000
• 28018368400500 cubed (28018368400500³) is 21995230825616966092675695616300125000000
• The square root of 28018368400500 is 5293237.9882733405
• The cube root of 28018368400500 is 30372.5284199393

Scales and comparisons

• 28,018,368,400,500 seconds is equal to 890,897 years, 23 weeks, 2 days, 7 hours, 15 minutes.
• To count from 1 to 28,018,368,400,500 would take you about two million, two hundred twenty-seven thousand, two hundred forty-three 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 28018368400500 cubic inches would be around 2531 feet tall.

Recreational maths with 28018368400500

• 28018368400500 backwards is 00500486381082
• 28018368400500 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28018368400500's digits is 45
• More coming soon!