1383156721

Names of 1383156721

• Cardinal: 1383156721 can be written as One billion, three hundred eighty-three million, one hundred fifty-six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.383156721 × 10⁹

Factors of 1383156721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 13694722

Divisors of 1383156721

• Number of divisors d(n): 4
• Complete list of divisors:
  1 101 13694621 1383156721
• Sum of all divisors σ(n): 1396851444
• Sum of proper divisors (its aliquot sum) s(n): 13694723
• 1383156721 is a deficient number, because the sum of its proper divisors (13694723) is less than itself. Its deficiency is 1369461998

Bases of 1383156721

• Binary: 1010010011100010100101111110001₂
• Hexadecimal: 0x52714BF1
• Base-36: MVHUK1

Squares and roots of 1383156721

• 1383156721 squared (1383156721²) is 1913122514847471841
• 1383156721 cubed (1383156721³) is 2646148264507702966737393361
• The square root of 1383156721 is 37190.8150085475
• The cube root of 1383156721 is 1114.1845461695

Scales and comparisons

• 1,383,156,721 seconds is equal to 43 years, 50 weeks, 6 days, 18 hours, 12 minutes, 1 second.
• To count from 1 to 1,383,156,721 would take you about eighty-seven 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 1383156721 cubic inches would be around 92.8 feet tall.

Recreational maths with 1383156721

• 1383156721 backwards is 1276513831
• The number of decimal digits it has is: 10
• The sum of 1383156721's digits is 37
• More coming soon!