40139904005

Names of 40139904005

• Cardinal: 40139904005 can be written as Forty billion, one hundred thirty-nine million, nine hundred four thousand and five.

Scientific notation

• Scientific notation: 4.0139904005 × 10¹⁰

Factors of 40139904005

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 89604

Divisors of 40139904005

• Number of divisors d(n): 6
• Complete list of divisors:
  1 5 89599 447995 8027980801 40139904005
• Sum of all divisors σ(n): 48168422406
• Sum of proper divisors (its aliquot sum) s(n): 8028518401
• 40139904005 is a deficient number, because the sum of its proper divisors (8028518401) is less than itself. Its deficiency is 32111385604

Bases of 40139904005

• Binary: 100101011000100001100101010000000101₂
• Hexadecimal: 0x958865405
• Base-36: IFU9G5H

Squares and roots of 40139904005

• 40139904005 squared (40139904005²) is 1611211893530615040025
• 40139904005 cubed (40139904005³) is 64673890738033168235212732800125
• The square root of 40139904005 is 200349.4547160037
• The cube root of 40139904005 is 3423.9344618685

Scales and comparisons

• 40,139,904,005 seconds is equal to 1,276 years, 16 weeks, 6 days, 5 hours, 20 minutes, 5 seconds.
• To count from 1 to 40,139,904,005 would take you about two thousand, five hundred fifty-two 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 40139904005 cubic inches would be around 285.3 feet tall.

Recreational maths with 40139904005

• 40139904005 backwards is 50040993104
• The number of decimal digits it has is: 11
• The sum of 40139904005's digits is 35
• More coming soon!