1997568528

Names of 1997568528

• Cardinal: 1997568528 can be written as One billion, nine hundred ninety-seven million, five hundred sixty-eight thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.997568528 × 10⁹

Factors of 1997568528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3306

Divisors of 1997568528

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 71 142 193 213 284 386 426 568 579 772 852 1136 1158 1544 1704 2316 3037 3088 3408 4632 6074 9111 9264 12148 13703 18222 24296 27406 36444 41109 48592 54812 72888 82218 109624 145776 164436 215627 219248 328872 431254 586141 646881 657744 862508 1172282 1293762 1725016 1758423 2344564 2587524 3450032 3516846 4689128 5175048 7033692 9378256 10350096 14067384 28134768 41616011 83232022 124848033 166464044 249696066 332928088 499392132 665856176 998784264 1997568528
• Sum of all divisors σ(n): 5261913216
• Sum of proper divisors (its aliquot sum) s(n): 3264344688
• 1997568528 is an abundant number, because the sum of its proper divisors (3264344688) is greater than itself. Its abundance is 1266776160

Bases of 1997568528

• Binary: 1110111000100000111101000010000₂
• Hexadecimal: 0x77107A10
• Base-36: X1ATQO

Squares and roots of 1997568528

• 1997568528 squared (1997568528²) is 3990280024056086784
• 1997568528 cubed (1997568528³) is 7970857793961521866555133952
• The square root of 1997568528 is 44694.1665992331
• The cube root of 1997568528 is 1259.4102657201

Scales and comparisons

• 1,997,568,528 seconds is equal to 63 years, 26 weeks, 6 days, 8 minutes, 48 seconds.
• To count from 1 to 1,997,568,528 would take you about one hundred twenty-seven 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 1997568528 cubic inches would be around 105 feet tall.

Recreational maths with 1997568528

• 1997568528 backwards is 8258657991
• The number of decimal digits it has is: 10
• The sum of 1997568528's digits is 60
• More coming soon!