40105129901

Names of 40105129901

• Cardinal: 40105129901 can be written as Forty billion, one hundred five million, one hundred twenty-nine thousand, nine hundred one.

Scientific notation

• Scientific notation: 4.0105129901 × 10¹⁰

Factors of 40105129901

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 852750

Divisors of 40105129901

• Number of divisors d(n): 4
• Complete list of divisors:
  1 49957 802793 40105129901
• Sum of all divisors σ(n): 40105982652
• Sum of proper divisors (its aliquot sum) s(n): 852751
• 40105129901 is a deficient number, because the sum of its proper divisors (852751) is less than itself. Its deficiency is 40104277150

Bases of 40105129901

• Binary: 100101010110011100111011011110101101₂
• Hexadecimal: 0x95673B7AD
• Base-36: IF9K4A5

Squares and roots of 40105129901

• 40105129901 squared (40105129901²) is 1608421444376084269801
• 40105129901 cubed (40105129901³) is 64505950962256905538091836419701
• The square root of 40105129901 is 200262.6522869405
• The cube root of 40105129901 is 3422.9454323291

Scales and comparisons

• 40,105,129,901 seconds is equal to 1,275 years, 11 weeks, 2 days, 17 hours, 51 minutes, 41 seconds.
• To count from 1 to 40,105,129,901 would take you about two thousand, five hundred fifty 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 40105129901 cubic inches would be around 285.2 feet tall.

Recreational maths with 40105129901

• 40105129901 backwards is 10992150104
• The number of decimal digits it has is: 11
• The sum of 40105129901's digits is 32
• More coming soon!