28147162736

Names of 28147162736

• Cardinal: 28147162736 can be written as Twenty-eight billion, one hundred forty-seven million, one hundred sixty-two thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.8147162736 × 10¹⁰

Factors of 28147162736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 617536

Divisors of 28147162736

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 37 44 56 74 77 88 112 148 154 176 259 296 308 407 518 592 616 814 1036 1232 1628 2072 2849 3256 4144 5698 6512 11396 22792 45584 617479 1234958 2469916 4322353 4939832 6792269 8644706 9879664 13584538 17289412 22846723 27169076 34578824 45693446 47545883 54338152 69157648 91386892 95091766 108676304 159927061 182773784 190183532 251313953 319854122 365547568 380367064 502627906 639708244 760734128 1005255812 1279416488 1759197671 2010511624 2558832976 3518395342 4021023248 7036790684 14073581368 28147162736
• Sum of all divisors σ(n): 69829578240
• Sum of proper divisors (its aliquot sum) s(n): 41682415504
• 28147162736 is an abundant number, because the sum of its proper divisors (41682415504) is greater than itself. Its abundance is 13535252768

Bases of 28147162736

• Binary: 11010001101101100111001111001110000₂
• Hexadecimal: 0x68DB39E70
• Base-36: CXI3DRK

Squares and roots of 28147162736

• 28147162736 squared (28147162736²) is 792262770086867005696
• 28147162736 cubed (28147162736³) is 22299949119309198465714350944256
• The square root of 28147162736 is 167771.1618127501
• The cube root of 28147162736 is 3041.8995924251

Scales and comparisons

• 28,147,162,736 seconds is equal to 894 years, 51 weeks, 4 days, 8 hours, 18 minutes, 56 seconds.
• To count from 1 to 28,147,162,736 would take you about one thousand, seven hundred eighty-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 28147162736 cubic inches would be around 253.5 feet tall.

Recreational maths with 28147162736

• 28147162736 backwards is 63726174182
• The number of decimal digits it has is: 11
• The sum of 28147162736's digits is 47
• More coming soon!