20491501764

Names of 20491501764

• Cardinal: 20491501764 can be written as Twenty billion, four hundred ninety-one million, five hundred one thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 2.0491501764 × 10¹⁰

Factors of 20491501764

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1335

Divisors of 20491501764

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 37 74 111 139 148 222 278 417 444 547 556 607 834 1094 1214 1641 1668 1821 2188 2428 3282 3642 5143 6564 7284 10286 15429 20239 20572 22459 30858 40478 44918 60717 61716 67377 76033 80956 84373 89836 121434 134754 152066 168746 228099 242868 253119 269508 304132 332029 337492 456198 506238 664058 912396 996087 1012476 1328116 1992174 2813221 3121801 3984348 5626442 6243602 8439663 9365403 11252884 12285073 12487204 16879326 18730806 24570146 33758652 36855219 37461612 46152031 49140292 73710438 92304062 138456093 147420876 184608124 276912186 553824372 1707625147 3415250294 5122875441 6830500588 10245750882 20491501764
• Sum of all divisors σ(n): 49631088640
• Sum of proper divisors (its aliquot sum) s(n): 29139586876
• 20491501764 is an abundant number, because the sum of its proper divisors (29139586876) is greater than itself. Its abundance is 8648085112

Bases of 20491501764

• Binary: 10011000101011000111000000011000100₂
• Hexadecimal: 0x4C56380C4
• Base-36: 9EW3ZYC

Squares and roots of 20491501764

• 20491501764 squared (20491501764²) is 419901644544015111696
• 20491501764 cubed (20491501764³) is 8604415289880186636961241031744
• The square root of 20491501764 is 143148.5304290617
• The cube root of 20491501764 is 2736.4735995543

Scales and comparisons

• 20,491,501,764 seconds is equal to 651 years, 29 weeks, 3 days, 3 hours, 49 minutes, 24 seconds.
• To count from 1 to 20,491,501,764 would take you about one thousand, three hundred three 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 20491501764 cubic inches would be around 228 feet tall.

Recreational maths with 20491501764

• 20491501764 backwards is 46710519402
• The number of decimal digits it has is: 11
• The sum of 20491501764's digits is 39
• More coming soon!