1664037081

Names of 1664037081

• Cardinal: 1664037081 can be written as One billion, six hundred sixty-four million, thirty-seven thousand and eighty-one.

Scientific notation

• Scientific notation: 1.664037081 × 10⁹

Factors of 1664037081

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 58

Divisors of 1664037081

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 27 29 57 63 87 133 171 189 203 261 361 399 513 551 609 783 841 1083 1197 1653 1827 2523 2527 3249 3591 3857 4959 5481 5887 7569 7581 9747 10469 11571 14877 15979 17661 22707 22743 24389 31407 34713 47937 52983 68229 73167 73283 94221 104139 111853 143811 158949 170723 219501 219849 282663 303601 335559 431433 463391 512169 658503 659547 910803 1006677 1390173 1536507 1978641 2125207 2732409 3020031 3243737 4170519 4609521 6375621 8197227 8804429 9731211 12511557 19126863 26413287 29193633 57380589 61631003 79239861 87580899 184893009 237719583 554679027 1664037081
• Sum of all divisors σ(n): 3079699200
• Sum of proper divisors (its aliquot sum) s(n): 1415662119
• 1664037081 is a deficient number, because the sum of its proper divisors (1415662119) is less than itself. Its deficiency is 248374962

Bases of 1664037081

• Binary: 1100011001011110011000011011001₂
• Hexadecimal: 0x632F30D9
• Base-36: RIQ389

Squares and roots of 1664037081

• 1664037081 squared (1664037081²) is 2769019406943000561
• 1664037081 cubed (1664037081³) is 4607750971161781786907802441
• The square root of 1664037081 is 40792.6106176107
• The cube root of 1664037081 is 1185.0072295669

Scales and comparisons

• 1,664,037,081 seconds is equal to 52 years, 47 weeks, 2 days, 16 hours, 31 minutes, 21 seconds.
• To count from 1 to 1,664,037,081 would take you about one hundred 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 1664037081 cubic inches would be around 98.8 feet tall.

Recreational maths with 1664037081

• 1664037081 backwards is 1807304661
• The number of decimal digits it has is: 10
• The sum of 1664037081's digits is 36
• More coming soon!