1321338691

Names of 1321338691

• Cardinal: 1321338691 can be written as One billion, three hundred twenty-one million, three hundred thirty-eight thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 1.321338691 × 10⁹

Factors of 1321338691

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 100373

Divisors of 1321338691

• Number of divisors d(n): 8
• Complete list of divisors:
  1 67 197 13199 100109 6707303 19721473 1321338691
• Sum of all divisors σ(n): 1347881040
• Sum of proper divisors (its aliquot sum) s(n): 26542349
• 1321338691 is a deficient number, because the sum of its proper divisors (26542349) is less than itself. Its deficiency is 1294796342

Bases of 1321338691

• Binary: 1001110110000100000011101000011₂
• Hexadecimal: 0x4EC20743
• Base-36: LUOVGJ

Squares and roots of 1321338691

• 1321338691 squared (1321338691²) is 1745935936333593481
• 1321338691 cubed (1321338691³) is 2306972704684889749510673371
• The square root of 1321338691 is 36350.2227090841
• The cube root of 1321338691 is 1097.3320165683

Scales and comparisons

• 1,321,338,691 seconds is equal to 42 years, 5 days, 6 hours, 31 minutes, 31 seconds.
• To count from 1 to 1,321,338,691 would take you about eighty-four 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 1321338691 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321338691

• 1321338691 backwards is 1968331231
• The number of decimal digits it has is: 10
• The sum of 1321338691's digits is 37
• More coming soon!