18146174920

Names of 18146174920

• Cardinal: 18146174920 can be written as Eighteen billion, one hundred forty-six million, one hundred seventy-four thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.814617492 × 10¹⁰

Factors of 18146174920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 25114

Divisors of 18146174920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 37 40 74 148 185 296 370 499 740 998 1480 1996 2495 3992 4990 9980 18463 19960 24571 36926 49142 73852 92315 98284 122855 147704 184630 196568 245710 369260 491420 738520 909127 982840 1818254 3636508 4545635 7273016 9091270 12260929 18182540 24521858 36365080 49043716 61304645 98087432 122609290 245218580 453654373 490437160 907308746 1814617492 2268271865 3629234984 4536543730 9073087460 18146174920
• Sum of all divisors σ(n): 42018120000
• Sum of proper divisors (its aliquot sum) s(n): 23871945080
• 18146174920 is an abundant number, because the sum of its proper divisors (23871945080) is greater than itself. Its abundance is 5725770160

Bases of 18146174920

• Binary: 10000111001100110001010011111001000₂
• Hexadecimal: 0x43998A7C8
• Base-36: 8C3RI6G

Squares and roots of 18146174920

• 18146174920 squared (18146174920²) is 329283664227237006400
• 18146174920 cubed (18146174920³) is 5975238969365989346431559488000
• The square root of 18146174920 is 134707.7389016681
• The cube root of 18146174920 is 2627.8164742679

Scales and comparisons

• 18,146,174,920 seconds is equal to 576 years, 51 weeks, 4 days, 4 hours, 8 minutes, 40 seconds.
• To count from 1 to 18,146,174,920 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 18146174920 cubic inches would be around 219 feet tall.

Recreational maths with 18146174920

• 18146174920 backwards is 02947164181
• The number of decimal digits it has is: 11
• The sum of 18146174920's digits is 43
• More coming soon!