2138032801

Names of 2138032801

• Cardinal: 2138032801 can be written as Two billion, one hundred thirty-eight million, thirty-two thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.138032801 × 10⁹

Factors of 2138032801

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 73725298

Divisors of 2138032801

• Number of divisors d(n): 4
• Complete list of divisors:
  1 29 73725269 2138032801
• Sum of all divisors σ(n): 2211758100
• Sum of proper divisors (its aliquot sum) s(n): 73725299
• 2138032801 is a deficient number, because the sum of its proper divisors (73725299) is less than itself. Its deficiency is 2064307502

Bases of 2138032801

• Binary: 1111111011011111100101010100001₂
• Hexadecimal: 0x7F6FCAA1
• Base-36: ZCXGO1

Squares and roots of 2138032801

• 2138032801 squared (2138032801²) is 4571184258151905601
• 2138032801 cubed (2138032801³) is 9773341883343625815593618401
• The square root of 2138032801 is 46238.8667789339
• The cube root of 2138032801 is 1288.2637541671

Scales and comparisons

• 2,138,032,801 seconds is equal to 67 years, 51 weeks, 18 hours, 1 second.
• To count from 1 to 2,138,032,801 would take you about one hundred thirty-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 2138032801 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138032801

• 2138032801 backwards is 1082308312
• The number of decimal digits it has is: 10
• The sum of 2138032801's digits is 28
• More coming soon!