18140369408

Names of 18140369408

• Cardinal: 18140369408 can be written as Eighteen billion, one hundred forty million, three hundred sixty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8140369408 × 10¹⁰

Factors of 18140369408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 117761

Divisors of 18140369408

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 43 56 64 86 112 128 172 224 256 301 344 448 512 602 688 896 1204 1376 1792 2408 2752 3584 4816 5504 9632 11008 19264 22016 38528 77056 117709 154112 235418 470836 823963 941672 1647926 1883344 3295852 3766688 5061487 6591704 7533376 10122974 13183408 15066752 20245948 26366816 30133504 35430409 40491896 52733632 60267008 70860818 80983792 105467264 141721636 161967584 210934528 283443272 323935168 421869056 566886544 647870336 1133773088 1295740672 2267546176 2591481344 4535092352 9070184704 18140369408
• Sum of all divisors σ(n): 42386900160
• Sum of proper divisors (its aliquot sum) s(n): 24246530752
• 18140369408 is an abundant number, because the sum of its proper divisors (24246530752) is greater than itself. Its abundance is 6106161344

Bases of 18140369408

• Binary: 10000111001010000000001001000000000₂
• Hexadecimal: 0x439401200
• Base-36: 8C0B2M8

Squares and roots of 18140369408

• 18140369408 squared (18140369408²) is 329073002258702270464
• 18140369408 cubed (18140369408³) is 5969505823172477568905287565312
• The square root of 18140369408 is 134686.1886312029
• The cube root of 18140369408 is 2627.5362049665

Scales and comparisons

• 18,140,369,408 seconds is equal to 576 years, 41 weeks, 6 days, 23 hours, 30 minutes, 8 seconds.
• To count from 1 to 18,140,369,408 would take you about one thousand, one 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 18140369408 cubic inches would be around 219 feet tall.

Recreational maths with 18140369408

• 18140369408 backwards is 80496304181
• The number of decimal digits it has is: 11
• The sum of 18140369408's digits is 44
• More coming soon!