20489479864832

Names of 20489479864832

• Cardinal: 20489479864832 can be written as Twenty trillion, four hundred eighty-nine billion, four hundred seventy-nine million, eight hundred sixty-four thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.0489479864832 × 10¹³

Factors of 20489479864832

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3638046864

Divisors of 20489479864832

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1408 2816 5632 3638046851 7276093702 14552187404 29104374808 40018515361 58208749616 80037030722 116417499232 160074061444 232834998464 320148122888 465669996928 640296245776 931339993856 1280592491552 1862679987712 2561184983104 5122369966208 10244739932416 20489479864832
• Sum of all divisors σ(n): 44660663155152
• Sum of proper divisors (its aliquot sum) s(n): 24171183290320
• 20489479864832 is an abundant number, because the sum of its proper divisors (24171183290320) is greater than itself. Its abundance is 3681703425488

Bases of 20489479864832

• Binary: 100101010001010010100001010110100001000000000₂
• Hexadecimal: 0x12A2942B4200
• Base-36: 79GQJAEBK

Squares and roots of 20489479864832

• 20489479864832 squared (20489479864832²) is 419818785131355952990388224
• 20489479864832 cubed (20489479864832³) is 8601868544827149623042378254078724538368
• The square root of 20489479864832 is 4526530.6654028093
• The cube root of 20489479864832 is 27363.8359385757

Scales and comparisons

• 20,489,479,864,832 seconds is equal to 651,502 years, 4 weeks, 1 day, 16 hours, 40 minutes, 32 seconds.
• To count from 1 to 20,489,479,864,832 would take you about one million, six hundred twenty-eight thousand, seven hundred fifty-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 20489479864832 cubic inches would be around 2280.3 feet tall.

Recreational maths with 20489479864832

• 20489479864832 backwards is 23846897498402
• The number of decimal digits it has is: 14
• The sum of 20489479864832's digits is 74
• More coming soon!