18690018165

Names of 18690018165

• Cardinal: 18690018165 can be written as Eighteen billion, six hundred ninety million, eighteen thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.8690018165 × 10¹⁰

Factors of 18690018165

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 124

Divisors of 18690018165

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 29 35 39 45 63 65 67 81 87 91 105 117 135 145 189 195 201 203 243 261 273 315 335 351 377 405 435 455 469 567 585 603 609 729 783 819 841 871 945 1005 1015 1053 1131 1215 1305 1365 1407 1701 1755 1809 1827 1885 1943 2345 2349 2457 2523 2613 2639 2835 3015 3045 3159 3393 3645 3915 4095 4205 4221 4355 5103 5265 5427 5481 5655 5829 5887 6097 7035 7047 7371 7569 7839 7917 8505 9045 9135 9477 9715 10179 10933 11745 12285 12615 12663 13065 13195 13601 15795 16281 16443 16965 17487 17661 18291 21105 21141 22113 22707 23517 23751 25259 25515 27135 27405 29145 29435 30485 30537 32799 35235 36855 37845 37989 39195 39585 40803 47385 48843 49329 50895 52461 52983 54665 54873 56347 63315 66339 68005 68121 70551 71253 75777 76531 81405 82215 87435 88305 91455 91611 98397 105705 110565 113535 113967 117585 118755 122409 126295 147987 152685 157383 158949 163995 164619 169041 176813 189945 204015 204363 211653 213759 227331 229593 244215 246645 262305 264915 274365 274833 281735 295191 331695 340605 341901 352755 356265 367227 378885 382655 394429 458055 472149 476847 491985 493857 507123 530439 569835 612045 613089 634959 641277 681993 688779 732511 739935 786915 794745 823095 845205 884065 885573 1021815 1058265 1068795 1101681 1136655 1147965 1183287 1374165 1416447 1430541 1475955 1481571 1521369 1591317 1709505 1836135 1923831 1972145 2045979 2066337 2197533 2360745 2384235 2469285 2535615 2652195 2656719 3065445 3174795 3206385 3305043 3409965 3443895 3549861 3662555 4291623 4427865 4444713 4564107 4773951 5127577 5508405 5916435 6137937 6199011 6592599 7082235 7152705 7407855 7606845 7956585 7970157 9619155 9915129 10229895 10331685 10649583 10987665 13283595 13692321 14321853 15382731 16525215 17749305 18413811 18597033 19777797 21458115 22223565 22820535 23869755 25637885 30689685 30995055 31948749 32962995 39850785 41076963 42965559 46148193 49575645 53247915 55791099 59333391 68461605 71609265 76913655 92069055 92985165 95846247 98888985 128896677 138444579 159743745 178000173 205384815 214827795 230740965 278955495 287538741 296666955 415333737 479231235 534000519 644483385 692222895 890000865 1246001211 1437693705 2076668685 2670002595 3738003633 6230006055 18690018165
• Sum of all divisors σ(n): 43502729088
• Sum of proper divisors (its aliquot sum) s(n): 24812710923
• 18690018165 is an abundant number, because the sum of its proper divisors (24812710923) is greater than itself. Its abundance is 6122692758

Bases of 18690018165

• Binary: 10001011010000000110000101101110101₂
• Hexadecimal: 0x45A030B75
• Base-36: 8L3JYB9

Squares and roots of 18690018165

• 18690018165 squared (18690018165²) is 349316779008029967225
• 18690018165 cubed (18690018165³) is 6528736944999370768299604642125
• The square root of 18690018165 is 136711.4412366427
• The cube root of 18690018165 is 2653.8104984681

Scales and comparisons

• 18,690,018,165 seconds is equal to 594 years, 14 weeks, 5 days, 15 hours, 42 minutes, 45 seconds.
• To count from 1 to 18,690,018,165 would take you about one thousand, one hundred eighty-eight 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 18690018165 cubic inches would be around 221.2 feet tall.

Recreational maths with 18690018165

• 18690018165 backwards is 56181009681
• 18690018165 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18690018165's digits is 45
• More coming soon!