1681164004

Names of 1681164004

• Cardinal: 1681164004 can be written as One billion, six hundred eighty-one million, one hundred sixty-four thousand and four.

Scientific notation

• Scientific notation: 1.681164004 × 10⁹

Factors of 1681164004

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 117

Divisors of 1681164004

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 13 19 26 38 52 76 83 166 169 247 332 338 361 494 676 722 988 1079 1444 1577 2158 3154 3211 4316 4693 6308 6422 6889 9386 12844 13778 14027 18772 20501 27556 28054 29963 41002 56108 59926 61009 82004 89557 119852 122018 130891 179114 244036 261782 266513 358228 389519 523564 533026 779038 1066052 1164241 1558076 1701583 2328482 2486929 3403166 4656964 4973858 5063747 6806332 9947716 10127494 20254988 22120579 32330077 44241158 64660154 88482316 129320308 420291001 840582002 1681164004
• Sum of all divisors σ(n): 3403249353
• Sum of proper divisors (its aliquot sum) s(n): 1722085349
• 1681164004 is an abundant number, because the sum of its proper divisors (1722085349) is greater than itself. Its abundance is 40921345

Bases of 1681164004

• Binary: 1100100001101001000011011100100₂
• Hexadecimal: 0x643486E4
• Base-36: RSX6G4

Squares and roots of 1681164004

• 1681164004 squared (1681164004²) is 2826312408345312016
• 1681164004 cubed (1681164004³) is 4751494684968687763447872064
• 1681164004 is a perfect square number. Its square root is 41002
• The cube root of 1681164004 is 1189.0588806969

Scales and comparisons

• 1,681,164,004 seconds is equal to 53 years, 23 weeks, 4 days, 22 hours, 4 seconds.
• To count from 1 to 1,681,164,004 would take you about one hundred six 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 1681164004 cubic inches would be around 99.1 feet tall.

Recreational maths with 1681164004

• 1681164004 backwards is 4004611861
• The number of decimal digits it has is: 10
• The sum of 1681164004's digits is 31
• More coming soon!