31800397201

Names of 31800397201

• Cardinal: 31800397201 can be written as Thirty-one billion, eight hundred million, three hundred ninety-seven thousand, two hundred one.

Scientific notation

• Scientific notation: 3.1800397201 × 10¹⁰

Factors of 31800397201

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2189602

Divisors of 31800397201

• Number of divisors d(n): 4
• Complete list of divisors:
  1 14621 2174981 31800397201
• Sum of all divisors σ(n): 31802586804
• Sum of proper divisors (its aliquot sum) s(n): 2189603
• 31800397201 is a deficient number, because the sum of its proper divisors (2189603) is less than itself. Its deficiency is 31798207598

Bases of 31800397201

• Binary: 11101100111011100111000110110010001₂
• Hexadecimal: 0x767738D91
• Base-36: ELX4VIP

Squares and roots of 31800397201

• 31800397201 squared (31800397201²) is 1011265262141368634401
• 31800397201 cubed (31800397201³) is 32158637011668910387714752711601
• The square root of 31800397201 is 178326.6586940943
• The cube root of 31800397201 is 3168.1872960585

Scales and comparisons

• 31,800,397,201 seconds is equal to 1,011 years, 8 weeks, 3 hours, 40 minutes, 1 second.
• To count from 1 to 31,800,397,201 would take you about two thousand and twenty-two 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 31800397201 cubic inches would be around 264 feet tall.

Recreational maths with 31800397201

• 31800397201 backwards is 10279300813
• The number of decimal digits it has is: 11
• The sum of 31800397201's digits is 34
• More coming soon!