18081379628802

Names of 18081379628802

• Cardinal: 18081379628802 can be written as Eighteen trillion, eighty-one billion, three hundred seventy-nine million, six hundred twenty-eight thousand, eight hundred two.

Scientific notation

• Scientific notation: 1.8081379628802 × 10¹³

Factors of 18081379628802

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 634245

Divisors of 18081379628802

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 63 109 126 218 327 654 763 981 1526 1962 2083 2289 4166 4578 6249 6867 12498 13734 14581 18747 29162 37494 43743 87486 131229 227047 262458 454094 632041 681141 1264082 1362282 1589329 1896123 2043423 3178658 3792246 4086846 4424287 4767987 5688369 8848574 9535974 11376738 13272861 14303961 26545722 28607922 39818583 68892469 79637166 137784938 206677407 413354814 482247283 620032221 964494566 1240064442 1316541403 1446741849 2633082806 2893483698 3949624209 4340225547 7899248418 8680451094 9215789821 11848872627 18431579642 23697745254 27647369463 55294738926 82942108389 143503012927 165884216778 287006025854 430509038781 861018077562 1004521090489 1291527116343 2009042180978 2583054232686 3013563271467 6027126542934 9040689814401 18081379628802
• Sum of all divisors σ(n): 45205464120960
• Sum of proper divisors (its aliquot sum) s(n): 27124084492158
• 18081379628802 is an abundant number, because the sum of its proper divisors (27124084492158) is greater than itself. Its abundance is 9042704863356

Bases of 18081379628802

• Binary: 100000111000111100110001101011011011100000010₂
• Hexadecimal: 0x1071E635B702
• Base-36: 6EQGYL0CI

Squares and roots of 18081379628802

• 18081379628802 squared (18081379628802²) is 326936289280855951307955204
• 18081379628802 cubed (18081379628802³) is 5911459160918986472385467652891164185608
• The square root of 18081379628802 is 4252220.5526997303
• The cube root of 18081379628802 is 26246.8499337401

Scales and comparisons

• 18,081,379,628,802 seconds is equal to 574,931 years, 49 weeks, 4 hours, 26 minutes, 42 seconds.
• To count from 1 to 18,081,379,628,802 would take you about one million, four hundred thirty-seven thousand, three hundred twenty-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 18081379628802 cubic inches would be around 2187.2 feet tall.

Recreational maths with 18081379628802

• 18081379628802 backwards is 20882697318081
• 18081379628802 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18081379628802's digits is 63
• More coming soon!