1997689512

Names of 1997689512

• Cardinal: 1997689512 can be written as One billion, nine hundred ninety-seven million, six hundred eighty-nine thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.997689512 × 10⁹

Factors of 1997689512

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1087

Divisors of 1997689512

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 71 78 84 91 104 142 156 168 169 182 213 273 284 312 338 364 426 497 507 546 568 676 728 852 923 991 994 1014 1092 1183 1352 1491 1704 1846 1982 1988 2028 2184 2366 2769 2973 2982 3549 3692 3964 3976 4056 4732 5538 5946 5964 6461 6937 7098 7384 7928 9464 11076 11892 11928 11999 12883 12922 13874 14196 19383 20811 22152 23784 23998 25766 25844 27748 28392 35997 38649 38766 41622 47996 51532 51688 55496 70361 71994 77298 77532 83244 83993 90181 95992 103064 140722 143988 154596 155064 166488 167479 167986 180362 211083 251979 270543 281444 287976 309192 334958 335972 360724 422166 492527 502437 503958 541086 562888 669916 671944 721448 844332 914693 985054 1004874 1007916 1082172 1172353 1339832 1477581 1688664 1829386 1970108 2009748 2015832 2164344 2344706 2744079 2955162 3517059 3658772 3940216 4019496 4689412 5488158 5910324 6402851 7034118 7317544 9378824 10976316 11820648 11891009 12805702 14068236 19208553 21952632 23782018 25611404 28136472 35673027 38417106 47564036 51222808 71346054 76834212 83237063 95128072 142692108 153668424 166474126 249711189 285384216 332948252 499422378 665896504 998844756 1997689512
• Sum of all divisors σ(n): 6273884160
• Sum of proper divisors (its aliquot sum) s(n): 4276194648
• 1997689512 is an abundant number, because the sum of its proper divisors (4276194648) is greater than itself. Its abundance is 2278505136

Bases of 1997689512

• Binary: 1110111000100100101001010101000₂
• Hexadecimal: 0x771252A8
• Base-36: X1DF3C

Squares and roots of 1997689512

• 1997689512 squared (1997689512²) is 3990763386354798144
• 1997689512 cubed (1997689512³) is 7972306161794584163145865728
• The square root of 1997689512 is 44695.5200439597
• The cube root of 1997689512 is 1259.4356908663

Scales and comparisons

• 1,997,689,512 seconds is equal to 63 years, 27 weeks, 9 hours, 45 minutes, 12 seconds.
• To count from 1 to 1,997,689,512 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 1997689512 cubic inches would be around 105 feet tall.

Recreational maths with 1997689512

• 1997689512 backwards is 2159867991
• The number of decimal digits it has is: 10
• The sum of 1997689512's digits is 57
• More coming soon!