18351053388

Names of 18351053388

• Cardinal: 18351053388 can be written as Eighteen billion, three hundred fifty-one million, fifty-three thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8351053388 × 10¹⁰

Factors of 18351053388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 101127

Divisors of 18351053388

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 41 54 82 108 123 164 246 369 492 738 1107 1476 1681 2214 3362 4428 5043 6724 10086 15129 20172 30258 45387 60516 90774 101081 181548 202162 303243 404324 606486 909729 1212972 1819458 2729187 3638916 4144321 5458374 8288642 10916748 12432963 16577284 24865926 37298889 49731852 74597778 111896667 149195556 169917161 223793334 339834322 447586668 509751483 679668644 1019502966 1529254449 2039005932 3058508898 4587763347 6117017796 9175526694 18351053388
• Sum of all divisors σ(n): 48766000080
• Sum of proper divisors (its aliquot sum) s(n): 30414946692
• 18351053388 is an abundant number, because the sum of its proper divisors (30414946692) is greater than itself. Its abundance is 12063893304

Bases of 18351053388

• Binary: 10001000101110011101101101001001100₂
• Hexadecimal: 0x445CEDA4C
• Base-36: 8FHQRF0

Squares and roots of 18351053388

• 18351053388 squared (18351053388²) is 336761160449226278544
• 18351053388 cubed (18351053388³) is 6179922034408585500853502907072
• The square root of 18351053388 is 135466.0599116989
• The cube root of 18351053388 is 2637.6692289999

Scales and comparisons

• 18,351,053,388 seconds is equal to 583 years, 26 weeks, 2 days, 10 hours, 49 minutes, 48 seconds.
• To count from 1 to 18,351,053,388 would take you about one thousand, one hundred sixty-seven 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 18351053388 cubic inches would be around 219.8 feet tall.

Recreational maths with 18351053388

• 18351053388 backwards is 88335015381
• The number of decimal digits it has is: 11
• The sum of 18351053388's digits is 45
• More coming soon!