18431420271489

Names of 18431420271489

• Cardinal: 18431420271489 can be written as Eighteen trillion, four hundred thirty-one billion, four hundred twenty million, two hundred seventy-one thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8431420271489 × 10¹³

Factors of 18431420271489

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 822

Divisors of 18431420271489

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 19 57 109 171 327 361 691 981 1083 2071 2073 3249 6213 6219 11881 13129 18639 35643 39349 39387 75319 106929 118047 118161 225739 225957 249451 354141 477481 677217 677871 748353 1431061 1432443 2031651 2245059 4289041 4293183 4297329 8209771 9072139 12867123 12879549 24629313 27190159 27216417 38601369 52045429 73887939 81570477 81649251 155985649 156136287 172370641 244711431 467956947 468408861 517111923 988863151 1403870841 1551335769 2963727331 2966589453 5672951761 8891181993 8899768359 17018855283 18788399869 26673545979 51056565849 56365199607 107786083459 169095598821 323358250377 970074751131 2047935585721 6143806757163 18431420271489
• Sum of all divisors σ(n): 28399374910179
• Sum of proper divisors (its aliquot sum) s(n): 9967954638690
• 18431420271489 is a deficient number, because the sum of its proper divisors (9967954638690) is less than itself. Its deficiency is 8463465632799

Bases of 18431420271489

• Binary: 100001100001101100110010000100000101110000001₂
• Hexadecimal: 0x10C366420B81
• Base-36: 6J79ZQSU9

Squares and roots of 18431420271489

• 18431420271489 squared (18431420271489²) is 339717253224255642466277121
• 18431420271489 cubed (18431420271489³) is 6261471467652107294265729571068929303169
• 18431420271489 is a perfect square number. Its square root is 4293183
• The cube root of 18431420271489 is 26415.1410465047

Scales and comparisons

• 18,431,420,271,489 seconds is equal to 586,062 years, 7 weeks, 6 days, 12 hours, 18 minutes, 9 seconds.
• To count from 1 to 18,431,420,271,489 would take you about one million, four hundred sixty-five thousand, one hundred fifty-five 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 18431420271489 cubic inches would be around 2201.3 feet tall.

Recreational maths with 18431420271489

• 18431420271489 backwards is 98417202413481
• The number of decimal digits it has is: 14
• The sum of 18431420271489's digits is 54
• More coming soon!