28448481820

Names of 28448481820

• Cardinal: 28448481820 can be written as Twenty-eight billion, four hundred forty-eight million, four hundred eighty-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.844848182 × 10¹⁰

Factors of 28448481820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35238

Divisors of 28448481820

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 20 22 44 55 110 121 220 242 337 484 605 674 1210 1348 1685 2420 3370 3707 6740 7414 14828 18535 34883 37070 40777 69766 74140 81554 139532 163108 174415 203885 348830 383713 407770 697660 767426 815540 1534852 1918565 3837130 4220843 7674260 8441686 11755571 16883372 21104215 23511142 42208430 47022284 58777855 84416860 117555710 129311281 235111420 258622562 517245124 646556405 1293112810 1422424091 2586225620 2844848182 5689696364 7112120455 14224240910 28448481820
• Sum of all divisors σ(n): 65863364112
• Sum of proper divisors (its aliquot sum) s(n): 37414882292
• 28448481820 is an abundant number, because the sum of its proper divisors (37414882292) is greater than itself. Its abundance is 8966400472

Bases of 28448481820

• Binary: 11010011111101010010110001000011100₂
• Hexadecimal: 0x69FA9621C
• Base-36: D2HHP24

Squares and roots of 28448481820

• 28448481820 squared (28448481820²) is 809316117862870512400
• 28448481820 cubed (28448481820³) is 23023814865654849025025484568000
• The square root of 28448481820 is 168666.7774637317
• The cube root of 28448481820 is 3052.7157329335

Scales and comparisons

• 28,448,481,820 seconds is equal to 904 years, 29 weeks, 5 days, 20 hours, 3 minutes, 40 seconds.
• To count from 1 to 28,448,481,820 would take you about one thousand, eight hundred nine 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 28448481820 cubic inches would be around 254.4 feet tall.

Recreational maths with 28448481820

• 28448481820 backwards is 02818484482
• The number of decimal digits it has is: 11
• The sum of 28448481820's digits is 49
• More coming soon!