1321636013

Names of 1321636013

• Cardinal: 1321636013 can be written as One billion, three hundred twenty-one million, six hundred thirty-six thousand and thirteen.

Scientific notation

• Scientific notation: 1.321636013 × 10⁹

Factors of 1321636013

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6641586

Divisors of 1321636013

• Number of divisors d(n): 4
• Complete list of divisors:
  1 199 6641387 1321636013
• Sum of all divisors σ(n): 1328277600
• Sum of proper divisors (its aliquot sum) s(n): 6641587
• 1321636013 is a deficient number, because the sum of its proper divisors (6641587) is less than itself. Its deficiency is 1314994426

Bases of 1321636013

• Binary: 1001110110001101001000010101101₂
• Hexadecimal: 0x4EC690AD
• Base-36: LUV8VH

Squares and roots of 1321636013

• 1321636013 squared (1321636013²) is 1746721750858536169
• 1321636013 cubed (1321636013³) is 2308530370625055069413454197
• The square root of 1321636013 is 36354.3121651341
• The cube root of 1321636013 is 1097.4143160535

Scales and comparisons

• 1,321,636,013 seconds is equal to 42 years, 1 week, 1 day, 17 hours, 6 minutes, 53 seconds.
• To count from 1 to 1,321,636,013 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 1321636013 cubic inches would be around 91.5 feet tall.

Recreational maths with 1321636013

• 1321636013 backwards is 3106361231
• The number of decimal digits it has is: 10
• The sum of 1321636013's digits is 26
• More coming soon!