1328906440

Names of 1328906440

• Cardinal: 1328906440 can be written as One billion, three hundred twenty-eight million, nine hundred six thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.32890644 × 10⁹

Factors of 1328906440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3246

Divisors of 1328906440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 58 116 145 232 290 409 580 818 1160 1636 2045 2801 3272 4090 5602 8180 11204 11861 14005 16360 22408 23722 28010 47444 56020 59305 81229 94888 112040 118610 162458 237220 324916 406145 474440 649832 812290 1145609 1624580 2291218 3249160 4582436 5728045 9164872 11456090 22912180 33222661 45824360 66445322 132890644 166113305 265781288 332226610 664453220 1328906440
• Sum of all divisors σ(n): 3101814000
• Sum of proper divisors (its aliquot sum) s(n): 1772907560
• 1328906440 is an abundant number, because the sum of its proper divisors (1772907560) is greater than itself. Its abundance is 444001120

Bases of 1328906440

• Binary: 1001111001101011000000011001000₂
• Hexadecimal: 0x4F3580C8
• Base-36: LZ72RS

Squares and roots of 1328906440

• 1328906440 squared (1328906440²) is 1765992326273473600
• 1328906440 cubed (1328906440³) is 2346838575375400268209984000
• The square root of 1328906440 is 36454.1690345563
• The cube root of 1328906440 is 1099.4229590553

Scales and comparisons

• 1,328,906,440 seconds is equal to 42 years, 13 weeks, 1 day, 20 hours, 40 minutes, 40 seconds.
• To count from 1 to 1,328,906,440 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 1328906440 cubic inches would be around 91.6 feet tall.

Recreational maths with 1328906440

• 1328906440 backwards is 0446098231
• The number of decimal digits it has is: 10
• The sum of 1328906440's digits is 37
• More coming soon!