18264400245

Names of 18264400245

• Cardinal: 18264400245 can be written as Eighteen billion, two hundred sixty-four million, four hundred thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 1.8264400245 × 10¹⁰

Factors of 18264400245

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 266

Divisors of 18264400245

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 13 15 17 21 29 35 39 45 51 63 65 83 85 87 91 105 109 117 119 145 153 195 203 221 249 255 261 273 315 327 357 377 415 435 455 493 545 581 585 595 609 663 747 763 765 819 981 1015 1071 1079 1105 1131 1245 1305 1365 1411 1417 1479 1547 1635 1743 1785 1827 1853 1885 1989 2289 2407 2465 2639 2905 3045 3161 3237 3315 3393 3451 3735 3815 4095 4233 4251 4437 4641 4905 5229 5355 5395 5559 5655 6409 6867 7055 7085 7221 7395 7553 7735 7917 8715 9047 9135 9265 9483 9711 9877 9919 9945 10353 11445 12035 12699 12753 12971 13195 13923 15805 16185 16677 16849 16965 17255 18343 19227 21165 21255 21663 22127 22185 22659 23205 23751 24089 26145 27141 27795 28449 29631 29757 31059 31291 32045 34335 36105 37765 38913 39585 40919 41093 44863 45235 47415 48555 49385 49595 50547 51765 53737 55029 57681 63329 63495 63765 64855 66381 67977 69615 72267 81423 83385 84245 88893 89271 91715 93873 96135 108315 110635 113295 116739 117611 118755 120445 122757 123279 128401 134589 135705 142245 148155 148785 151641 153799 155295 156455 161211 165087 168623 189987 194565 199143 204595 205465 216801 219037 224315 252735 262363 268685 275145 281619 286433 287651 288405 316645 331905 339885 352833 361335 368271 369837 376159 385203 403767 407115 444465 446355 461397 469365 483633 505869 531947 569961 583695 588055 613785 616395 642005 657111 672945 698581 758205 768995 787089 806055 823277 825435 843115 859299 862953 949935 995715 1058499 1076593 1084005 1095185 1128477 1155609 1311815 1384191 1408095 1432165 1438255 1517607 1595841 1764165 1836541 1841355 1849185 1880795 1926015 1971333 1999387 2018835 2095743 2306985 2361267 2418165 2469831 2529345 2577897 2588859 2659735 2849805 3229779 3285555 3385431 3410719 3492905 3723629 3935445 4116385 4296495 4314765 4460171 4787523 4890067 5292495 5382965 5509623 5642385 5778045 5998161 6287229 6920955 7409493 7588035 7979205 9182705 9689337 9856665 9996935 10232157 10478715 11170887 11806335 12349155 12889485 12944295 13380513 13995709 14670201 16148895 16528869 16927155 17053595 17994483 18618145 22300855 23875033 23937615 24450335 27548115 29990805 30696471 31221197 31436145 33512661 37047465 40141539 41987127 44010603 48446685 51160785 55854435 57982223 66902565 69978545 71625099 73351005 82644345 89972415 93663591 119375165 125961381 153482355 156105985 167563305 173946669 200707695 209935635 214875297 220053015 280990773 289911115 358125495 405875561 468317955 521840007 629806905 869733345 1074376485 1217626683 1404953865 2029377805 2609200035 3652880049 6088133415 18264400245
• Sum of all divisors σ(n): 43589145600
• Sum of proper divisors (its aliquot sum) s(n): 25324745355
• 18264400245 is an abundant number, because the sum of its proper divisors (25324745355) is greater than itself. Its abundance is 7060345110

Bases of 18264400245

• Binary: 10001000000101001001010000101110101₂
• Hexadecimal: 0x440A4A175
• Base-36: 8E25HF9

Squares and roots of 18264400245

• 18264400245 squared (18264400245²) is 333588316309556060025
• 18264400245 cubed (18264400245³) is 6092790526133393198561844706125
• The square root of 18264400245 is 135145.8480494313
• The cube root of 18264400245 is 2633.5110112003

Scales and comparisons

• 18,264,400,245 seconds is equal to 580 years, 39 weeks, 12 hours, 30 minutes, 45 seconds.
• To count from 1 to 18,264,400,245 would take you about one thousand, one hundred sixty-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 18264400245 cubic inches would be around 219.5 feet tall.

Recreational maths with 18264400245

• 18264400245 backwards is 54200446281
• The number of decimal digits it has is: 11
• The sum of 18264400245's digits is 36
• More coming soon!