28142379423

Names of 28142379423

• Cardinal: 28142379423 can be written as Twenty-eight billion, one hundred forty-two million, three hundred seventy-nine thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 2.8142379423 × 10¹⁰

Factors of 28142379423

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 565

Divisors of 28142379423

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 9 27 53 81 159 243 477 509 729 1431 1527 2187 2809 4293 4581 6561 8427 12879 13743 19683 25281 26977 38637 41229 75843 80931 115911 123687 227529 242793 347733 371061 682587 728379 1043199 1113183 1429781 2047761 2185137 3339549 4289343 6143283 6555411 10018647 12868029 18429849 19666233 38604087 55289547 58998699 115812261 176996097 347436783 530988291 1042310349 3126931047 9380793141 28142379423
• Sum of all divisors σ(n): 43108878120
• Sum of proper divisors (its aliquot sum) s(n): 14966498697
• 28142379423 is a deficient number, because the sum of its proper divisors (14966498697) is less than itself. Its deficiency is 13175880726

Bases of 28142379423

• Binary: 11010001101011010101010000110011111₂
• Hexadecimal: 0x68D6AA19F
• Base-36: CXF8UXR

Squares and roots of 28142379423

• 28142379423 squared (28142379423²) is 791993519588093812929
• 28142379423 cubed (28142379423³) is 22288582128805318756766700959967
• The square root of 28142379423 is 167756.9057386313
• The cube root of 28142379423 is 3041.7272697615

Scales and comparisons

• 28,142,379,423 seconds is equal to 894 years, 43 weeks, 4 days, 23 hours, 37 minutes, 3 seconds.
• To count from 1 to 28,142,379,423 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 28142379423 cubic inches would be around 253.5 feet tall.

Recreational maths with 28142379423

• 28142379423 backwards is 32497324182
• The number of decimal digits it has is: 11
• The sum of 28142379423's digits is 45
• More coming soon!