1297321321

Names of 1297321321

• Cardinal: 1297321321 can be written as One billion, two hundred ninety-seven million, three hundred twenty-one thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.297321321 × 10⁹

Factors of 1297321321

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1297321321

Divisors of 1297321321

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1297321321
• Sum of all divisors σ(n): 1297321322
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1297321321 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1297321320

Bases of 1297321321

• Binary: 1001101010100111000110101101001₂
• Hexadecimal: 0x4D538D69
• Base-36: LGE3JD

Squares and roots of 1297321321

• 1297321321 squared (1297321321²) is 1683042609921185041
• 1297321321 cubed (1297321321³) is 2183447062002239483275559161
• The square root of 1297321321 is 36018.3470053805
• The cube root of 1297321321 is 1090.6427544787

Scales and comparisons

• 1,297,321,321 seconds is equal to 41 years, 13 weeks, 7 hours, 2 minutes, 1 second.
• To count from 1 to 1,297,321,321 would take you about eighty-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 1297321321 cubic inches would be around 90.9 feet tall.

Recreational maths with 1297321321

• 1297321321 backwards is 1231237921
• The number of decimal digits it has is: 10
• The sum of 1297321321's digits is 31
• More coming soon!