28899446490

Names of 28899446490

• Cardinal: 28899446490 can be written as Twenty-eight billion, eight hundred ninety-nine million, four hundred forty-six thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.889944649 × 10¹⁰

Factors of 28899446490

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35678339

Divisors of 28899446490

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 35678329 71356658 107034987 178391645 214069974 321104961 356783290 535174935 642209922 963314883 1070349870 1605524805 1926629766 2889944649 3211049610 4816574415 5779889298 9633148830 14449723245 28899446490
• Sum of all divisors σ(n): 77707402740
• Sum of proper divisors (its aliquot sum) s(n): 48807956250
• 28899446490 is an abundant number, because the sum of its proper divisors (48807956250) is greater than itself. Its abundance is 19908509760

Bases of 28899446490

• Binary: 11010111010100010101000111011011010₂
• Hexadecimal: 0x6BA8A8EDA
• Base-36: D9XZFMI

Squares and roots of 28899446490

• 28899446490 squared (28899446490²) is 835178007428373320100
• 28899446490 cubed (28899446490³) is 24136182135301097271973591449000
• The square root of 28899446490 is 169998.3720216167
• The cube root of 28899446490 is 3068.7617683287

Scales and comparisons

• 28,899,446,490 seconds is equal to 918 years, 47 weeks, 3 days, 8 hours, 1 minute, 30 seconds.
• To count from 1 to 28,899,446,490 would take you about one thousand, eight hundred thirty-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 28899446490 cubic inches would be around 255.7 feet tall.

Recreational maths with 28899446490

• 28899446490 backwards is 09464499882
• The number of decimal digits it has is: 11
• The sum of 28899446490's digits is 63
• More coming soon!