20715000072

Names of 20715000072

• Cardinal: 20715000072 can be written as Twenty billion, seven hundred fifteen million and seventy-two.

Scientific notation

• Scientific notation: 2.0715000072 × 10¹⁰

Factors of 20715000072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3905578

Divisors of 20715000072

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1326 1768 2652 5304 3905543 7811086 11716629 15622172 23433258 31244344 46866516 50772059 66394231 93733032 101544118 132788462 152316177 199182693 203088236 265576924 304632354 398365386 406176472 531153848 609264708 796730772 863125003 1218529416 1593461544 1726250006 2589375009 3452500012 5178750018 6905000024 10357500036 20715000072
• Sum of all divisors σ(n): 59051825280
• Sum of proper divisors (its aliquot sum) s(n): 38336825208
• 20715000072 is an abundant number, because the sum of its proper divisors (38336825208) is greater than itself. Its abundance is 17621825136

Bases of 20715000072

• Binary: 10011010010101101011101000100001000₂
• Hexadecimal: 0x4D2B5D108
• Base-36: 9IL6CCO

Squares and roots of 20715000072

• 20715000072 squared (20715000072²) is 429111227982960005184
• 20715000072 cubed (20715000072³) is 8889039118563024922159680373248
• The square root of 20715000072 is 143927.0651128549
• The cube root of 20715000072 is 2746.3864415337

Scales and comparisons

• 20,715,000,072 seconds is equal to 658 years, 34 weeks, 6 days, 22 hours, 41 minutes, 12 seconds.
• To count from 1 to 20,715,000,072 would take you about one thousand, three hundred seventeen 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 20715000072 cubic inches would be around 228.9 feet tall.

Recreational maths with 20715000072

• 20715000072 backwards is 27000051702
• 20715000072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20715000072's digits is 24
• More coming soon!