1998025568

Names of 1998025568

• Cardinal: 1998025568 can be written as One billion, nine hundred ninety-eight million, twenty-five thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.998025568 × 10⁹

Factors of 1998025568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10551

Divisors of 1998025568

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 77 88 98 112 121 154 176 196 224 242 308 352 392 484 539 616 784 847 968 1078 1232 1568 1694 1936 2156 2464 3388 3872 4312 5929 6776 8624 10531 11858 13552 17248 21062 23716 27104 42124 47432 73717 84248 94864 115841 147434 168496 189728 231682 294868 336992 463364 516019 589736 810887 926728 1032038 1179472 1274251 1621774 1853456 2064076 2358944 2548502 3243548 3706912 4128152 5097004 5676209 6487096 8256304 8919757 10194008 11352418 12974192 16512608 17839514 20388016 22704836 25948384 35679028 40776032 45409672 62438299 71358056 90819344 124876598 142716112 181638688 249753196 285432224 499506392 999012784 1998025568
• Sum of all divisors σ(n): 5030114796
• Sum of proper divisors (its aliquot sum) s(n): 3032089228
• 1998025568 is an abundant number, because the sum of its proper divisors (3032089228) is greater than itself. Its abundance is 1034063660

Bases of 1998025568

• Binary: 1110111000101110111001101100000₂
• Hexadecimal: 0x77177360
• Base-36: X1KME8

Squares and roots of 1998025568

• 1998025568 squared (1998025568²) is 3992106170381722624
• 1998025568 cubed (1998025568³) is 7976330198593246122636050432
• The square root of 1998025568 is 44699.2792783061
• The cube root of 1998025568 is 1259.5063086455

Scales and comparisons

• 1,998,025,568 seconds is equal to 63 years, 27 weeks, 4 days, 7 hours, 6 minutes, 8 seconds.
• To count from 1 to 1,998,025,568 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 1998025568 cubic inches would be around 105 feet tall.

Recreational maths with 1998025568

• 1998025568 backwards is 8655208991
• The number of decimal digits it has is: 10
• The sum of 1998025568's digits is 53
• More coming soon!