18308681842423821824

Names of 18308681842423821824

• Cardinal: 18308681842423821824 can be written as Eighteen quintillion, three hundred eight quadrillion, six hundred eighty-one trillion, eight hundred forty-two billion, four hundred twenty-three million, eight hundred twenty-one thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8308681842423821824 × 10¹⁹

Factors of 18308681842423821824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 35510570231935

Divisors of 18308681842423821824

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 19 32 38 53 64 76 106 128 152 212 256 304 424 512 608 848 1007 1216 1696 2014 2432 3392 4028 4864 6784 8056 9728 13568 16112 27136 32224 64448 128896 257792 515584 35510570231861 71021140463722 142042280927444 284084561854888 568169123709776 674700834405359 1136338247419552 1349401668810718 1882060222288633 2272676494839104 2698803337621436 3764120444577266 4545352989678208 5397606675242872 7528240889154532 9090705979356416 10795213350485744 15056481778309064 18181411958712832 21590426700971488 30112963556618128 35759144223484027 43180853401942976 60225927113236256 71518288446968054 86361706803885952 120451854226472512 143036576893936108 172723413607771904 240903708452945024 286073153787872216 345446827215543808 481807416905890048 572146307575744432 963614833811780096 1144292615151488864 2288585230302977728 4577170460605955456 9154340921211910912 18308681842423821824
• Sum of all divisors σ(n): 39233498414970412080
• Sum of proper divisors (its aliquot sum) s(n): 20924816572546590256
• 18308681842423821824 is an abundant number, because the sum of its proper divisors (20924816572546590256) is greater than itself. Its abundance is 2616134730122768432

Bases of 18308681842423821824

• Binary: 1111111000010101100000010010000111010011010100001111011000000000₂
• Hexadecimal: 0xFE158121D350F600
• Base-36: 3V3MM1WPIFZ7K

Squares and roots of 18308681842423821824

• 18308681842423821824 squared (18308681842423821824²) is 335207830807099750830803864554498686976
• 18308681842423821824 cubed (18308681842423821824³) is 6137213525336223806990411537779434338912069670711773364224
• The square root of 18308681842423821824 is 4278864550.6049641513
• The cube root of 18308681842423821824 is 2635637.5881349499

Scales and comparisons

• 18,308,681,842,423,821,824 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,308,681,842,423,821,824 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18308681842423821824 cubic inches would be around 219636.5 feet tall.

Recreational maths with 18308681842423821824

• 18308681842423821824 backwards is 42812832424818680381
• The number of decimal digits it has is: 20
• The sum of 18308681842423821824's digits is 83
• More coming soon!