1312005045

Names of 1312005045

• Cardinal: 1312005045 can be written as One billion, three hundred twelve million, five thousand and forty-five.

Scientific notation

• Scientific notation: 1.312005045 × 10⁹

Factors of 1312005045

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 6728252

Divisors of 1312005045

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 5 13 15 39 65 195 6728231 20184693 33641155 87467003 100923465 262401009 437335015 1312005045
• Sum of all divisors σ(n): 2260685952
• Sum of proper divisors (its aliquot sum) s(n): 948680907
• 1312005045 is a deficient number, because the sum of its proper divisors (948680907) is less than itself. Its deficiency is 363324138

Bases of 1312005045

• Binary: 1001110001100111001101110110101₂
• Hexadecimal: 0x4E339BB5
• Base-36: LP4TKL

Squares and roots of 1312005045

• 1312005045 squared (1312005045²) is 1721357238105452025
• 1312005045 cubed (1312005045³) is 2258429380641619298805466125
• The square root of 1312005045 is 36221.6101933639
• The cube root of 1312005045 is 1094.7421381507

Scales and comparisons

• 1,312,005,045 seconds is equal to 41 years, 37 weeks, 2 days, 5 hours, 50 minutes, 45 seconds.
• To count from 1 to 1,312,005,045 would take you about eighty-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 1312005045 cubic inches would be around 91.2 feet tall.

Recreational maths with 1312005045

• 1312005045 backwards is 5405002131
• The number of decimal digits it has is: 10
• The sum of 1312005045's digits is 21
• More coming soon!