18021266129479424

Names of 18021266129479424

• Cardinal: 18021266129479424 can be written as Eighteen quadrillion, twenty-one trillion, two hundred sixty-six billion, one hundred twenty-nine million, four hundred seventy-nine thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.8021266129479424 × 10¹⁶

Factors of 18021266129479424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 903

Divisors of 18021266129479424

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 256 272 448 476 544 877 896 952 1088 1754 1792 1904 2176 3508 3808 4352 6139 7016 7616 12278 14032 14909 15232 24556 28064 29818 30464 49112 56128 59636 98224 104363 112256 119272 196448 208726 224512 238544 392896 417452 477088 769129 785792 834904 954176 1538258 1571584 1669808 1908352 3076516 3339616 3816704 5383903 6153032 6679232 10767806 12306064 13075193 13358464 21535612 24612128 26150386 26716928 43071224 49224256 52300772 86142448 91526351 98448512 104601544 172284896 183052702 196897024 209203088 344569792 366105404 418406176 674526133 689139584 732210808 836812352 1349052266 1378279168 1464421616 1673624704 2698104532 2928843232 3347249408 4721682931 5396209064 5857686464 9443365862 10792418128 11466944261 11715372928 18886731724 21584836256 22933888522 23430745856 37773463448 43169672512 45867777044 75546926896 80268609827 86339345024 91735554088 151093853792 160537219654 172678690048 183471108176 302187707584 321074439308 366942216352 591559418641 604375415168 642148878616 733884432704 1183118837282 1208750830336 1284297757232 1467768865408 2366237674564 2568595514464 2935537730816 4140915930487 4732475349128 5137191028928 8281831860974 9464950698256 10056510116897 10274382057856 16563663721948 18929901396512 20113020233794 20548764115712 33127327443896 37859802793024 40226040467588 66254654887792 70395570818279 75719605586048 80452080935176 132509309775584 140791141636558 151439211172096 160904161870352 265018619551168 281582283273116 321808323740704 530037239102336 563164566546232 643616647481408 1060074478204672 1126329133092464 1287233294962816 2252658266184928 2574466589925632 4505316532369856 9010633064739712 18021266129479424
• Sum of all divisors σ(n): 43578999252445104
• Sum of proper divisors (its aliquot sum) s(n): 25557733122965680
• 18021266129479424 is an abundant number, because the sum of its proper divisors (25557733122965680) is greater than itself. Its abundance is 7536466993486256

Bases of 18021266129479424

• Binary: 1000000000001100011111011111110000011001110011100000000₂
• Hexadecimal: 0x40063EFE0CE700
• Base-36: 4XG07DA6T4W

Squares and roots of 18021266129479424

• 18021266129479424 squared (18021266129479424²) is 324766032909522299626489239371776
• 18021266129479424 cubed (18021266129479424³) is 5852695108877774170390654699649690044471678337024
• The square root of 18021266129479424 is 134243309.4402824383
• The cube root of 18021266129479424 is 262177.3081090219

Scales and comparisons

• 18,021,266,129,479,424 seconds is equal to 573,020,519 years, 25 weeks, 4 hours, 43 minutes, 44 seconds.
• To count from 1 to 18,021,266,129,479,424 would take you about one billion, seven hundred nineteen million, sixty-one thousand, five hundred fifty-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 18021266129479424 cubic inches would be around 21848.1 feet tall.

Recreational maths with 18021266129479424

• 18021266129479424 backwards is 42497492166212081
• 18021266129479424 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18021266129479424's digits is 68
• More coming soon!