18128672555466

Names of 18128672555466

• Cardinal: 18128672555466 can be written as Eighteen trillion, one hundred twenty-eight billion, six hundred seventy-two million, five hundred fifty-five thousand, four hundred sixty-six.

Scientific notation

• Scientific notation: 1.8128672555466 × 10¹³

Factors of 18128672555466

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 466344475

Divisors of 18128672555466

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 19 22 31 33 38 57 62 66 93 114 186 209 341 418 589 627 682 1023 1178 1254 1767 2046 3534 6479 12958 19437 38874 466344409 932688818 1399033227 2798066454 5129788499 8860543771 10259576998 14456676679 15389365497 17721087542 26581631313 28913353358 30778730994 43370030037 53163262626 86740060074 97465981481 159023443469 194931962962 274676856901 292397944443 318046886938 477070330407 549353713802 584795888886 824030570703 954140660814 1648061141406 3021445425911 6042890851822 9064336277733 18128672555466
• Sum of all divisors σ(n): 42978300825600
• Sum of proper divisors (its aliquot sum) s(n): 24849628270134
• 18128672555466 is an abundant number, because the sum of its proper divisors (24849628270134) is greater than itself. Its abundance is 6720955714668

Bases of 18128672555466

• Binary: 100000111110011101001000101101000000111001010₂
• Hexadecimal: 0x107CE91681CA
• Base-36: 6FC73KK3U

Squares and roots of 18128672555466

• 18128672555466 squared (18128672555466²) is 328648768623306150846477156
• 18128672555466 cubed (18128672555466³) is 5957965912129025676391681102706111934696
• The square root of 18128672555466 is 4257777.8894002913
• The cube root of 18128672555466 is 26269.7134121067

Scales and comparisons

• 18,128,672,555,466 seconds is equal to 576,435 years, 37 weeks, 31 minutes, 6 seconds.
• To count from 1 to 18,128,672,555,466 would take you about one million, four hundred forty-one thousand and eighty-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 18128672555466 cubic inches would be around 2189.1 feet tall.

Recreational maths with 18128672555466

• 18128672555466 backwards is 66455527682181
• 18128672555466 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18128672555466's digits is 66
• More coming soon!