40038202009

Names of 40038202009

• Cardinal: 40038202009 can be written as Forty billion, thirty-eight million, two hundred two thousand and nine.

Scientific notation

• Scientific notation: 4.0038202009 × 10¹⁰

Factors of 40038202009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4760879

Divisors of 40038202009

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 647 8411 4760219 61882847 3079861693 40038202009
• Sum of all divisors σ(n): 43184715840
• Sum of proper divisors (its aliquot sum) s(n): 3146513831
• 40038202009 is a deficient number, because the sum of its proper divisors (3146513831) is less than itself. Its deficiency is 36891688178

Bases of 40038202009

• Binary: 100101010010011101100111101010011001₂
• Hexadecimal: 0x952767A99
• Base-36: IE5PME1

Squares and roots of 40038202009

• 40038202009 squared (40038202009²) is 1603057620113491636081
• 40038202009 cubed (40038202009³) is 64183544826170759631742991086729
• The square root of 40038202009 is 200095.4822303593
• The cube root of 40038202009 is 3421.0402888779

Scales and comparisons

• 40,038,202,009 seconds is equal to 1,273 years, 4 weeks, 5 days, 2 hours, 46 minutes, 49 seconds.
• To count from 1 to 40,038,202,009 would take you about two thousand, five hundred forty-six 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 40038202009 cubic inches would be around 285.1 feet tall.

Recreational maths with 40038202009

• 40038202009 backwards is 90020283004
• The number of decimal digits it has is: 11
• The sum of 40038202009's digits is 28
• More coming soon!