18080421008916

Names of 18080421008916

• Cardinal: 18080421008916 can be written as Eighteen trillion, eighty billion, four hundred twenty-one million, eight thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 1.8080421008916 × 10¹³

Factors of 18080421008916

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12588

Divisors of 18080421008916

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1369 1554 2738 3108 4107 5476 8214 9583 12539 16428 19166 25078 28749 37617 38332 50156 57498 75234 87773 114996 150468 175546 263319 351092 463943 526638 927886 1053276 1391829 1855772 2783658 3247601 5567316 6495202 9742803 12990404 17165891 19485606 34331782 38971212 51497673 68663564 102995346 120161237 157226521 205990692 240322474 314453042 360483711 471679563 480644948 628906084 720967422 943359126 1100585647 1441934844 1886718252 2201171294 3301756941 4402342588 5817381277 6603513882 11634762554 13207027764 17452143831 23269525108 34904287662 40721668939 69808575324 81443337878 122165006817 162886675756 215243107249 244330013634 430486214498 488660027268 645729321747 860972428996 1291458643494 1506701750743 2582917286988 3013403501486 4520105252229 6026807002972 9040210504458 18080421008916
• Sum of all divisors σ(n): 49556720377248
• Sum of proper divisors (its aliquot sum) s(n): 31476299368332
• 18080421008916 is an abundant number, because the sum of its proper divisors (31476299368332) is greater than itself. Its abundance is 13395878359416

Bases of 18080421008916

• Binary: 100000111000110101101000100100101011000010100₂
• Hexadecimal: 0x1071AD125614
• Base-36: 6EQ13UGIC

Squares and roots of 18080421008916

• 18080421008916 squared (18080421008916²) is 326901623859651067351495056
• 18080421008916 cubed (18080421008916³) is 5910518987880791089147034508404505919296
• The square root of 18080421008916 is 4252107.8312897945
• The cube root of 18080421008916 is 26246.3860827607

Scales and comparisons

• 18,080,421,008,916 seconds is equal to 574,901 years, 24 weeks, 1 hour, 8 minutes, 36 seconds.
• To count from 1 to 18,080,421,008,916 would take you about one million, four hundred thirty-seven thousand, two hundred fifty-three 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 18080421008916 cubic inches would be around 2187.2 feet tall.

Recreational maths with 18080421008916

• 18080421008916 backwards is 61980012408081
• The number of decimal digits it has is: 14
• The sum of 18080421008916's digits is 48
• More coming soon!