9049247820

Names of 9049247820

• Cardinal: 9049247820 can be written as Nine billion, forty-nine million, two hundred forty-seven thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 9.04924782 × 10⁹

Factors of 9049247820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1621770

Divisors of 9049247820

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 1621729 3243458 4865187 6486916 8108645 9730374 14595561 16217290 19460748 24325935 29191122 32434580 48651870 50273599 58382244 72977805 97303740 100547198 145955610 150820797 201094396 251367995 291911220 301641594 452462391 502735990 603283188 754103985 904924782 1005471980 1508207970 1809849564 2262311955 3016415940 4524623910 9049247820
• Sum of all divisors σ(n): 28334866560
• Sum of proper divisors (its aliquot sum) s(n): 19285618740
• 9049247820 is an abundant number, because the sum of its proper divisors (19285618740) is greater than itself. Its abundance is 10236370920

Bases of 9049247820

• Binary: 1000011011011000001001000001001100₂
• Hexadecimal: 0x21B60904C
• Base-36: 45NOSB0

Squares and roots of 9049247820

• 9049247820 squared (9049247820²) is 81888886107774752400
• 9049247820 cubed (9049247820³) is 741032824093008963206739768000
• The square root of 9049247820 is 95127.5344997441
• The cube root of 9049247820 is 2083.8709827007

Scales and comparisons

• 9,049,247,820 seconds is equal to 287 years, 38 weeks, 2 days, 15 hours, 57 minutes.
• To count from 1 to 9,049,247,820 would take you about five hundred seventy-five 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 9049247820 cubic inches would be around 173.7 feet tall.

Recreational maths with 9049247820

• 9049247820 backwards is 0287429409
• 9049247820 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9049247820's digits is 45
• More coming soon!