2491740121

Names of 2491740121

• Cardinal: 2491740121 can be written as Two billion, four hundred ninety-one million, seven hundred forty thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 2.491740121 × 10⁹

Factors of 2491740121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8333615

Divisors of 2491740121

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 23 299 8333579 108336527 191672317 2491740121
• Sum of all divisors σ(n): 2800082880
• Sum of proper divisors (its aliquot sum) s(n): 308342759
• 2491740121 is a deficient number, because the sum of its proper divisors (308342759) is less than itself. Its deficiency is 2183397362

Bases of 2491740121

• Binary: 10010100100001001110111111011001₂
• Hexadecimal: 0x9484EFD9
• Base-36: 157IMZD

Squares and roots of 2491740121

• 2491740121 squared (2491740121²) is 6208768830601094641
• 2491740121 cubed (2491740121³) is 15470638397223000063497791561
• The square root of 2491740121 is 49917.3328714585
• The cube root of 2491740121 is 1355.7124417067

Scales and comparisons

• 2,491,740,121 seconds is equal to 79 years, 11 weeks, 6 days, 14 hours, 2 minutes, 1 second.
• To count from 1 to 2,491,740,121 would take you about one hundred fifty-eight 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 2491740121 cubic inches would be around 113 feet tall.

Recreational maths with 2491740121

• 2491740121 backwards is 1210471942
• The number of decimal digits it has is: 10
• The sum of 2491740121's digits is 31
• More coming soon!