72101

Names of 72101

• Cardinal: 72101 can be written as Seventy-two thousand, one hundred one.

Scientific notation

• Scientific notation: 7.2101 × 10⁴

Factors of 72101

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 72101

Divisors of 72101

• Number of divisors d(n): 2
• Complete list of divisors:
  1 72101
• Sum of all divisors σ(n): 72102
• Sum of proper divisors (its aliquot sum) s(n): 1
• 72101 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 72100

Bases of 72101

• Binary: 10001100110100101₂
• Hexadecimal: 0x119A5
• Base-36: 1JMT

Squares and roots of 72101

• 72101 squared (72101²) is 5198554201
• 72101 cubed (72101³) is 374820956446301
• The square root of 72101 is 268.5162937329
• The cube root of 72101 is 41.6211200081

Scales and comparisons

• 72,101 seconds is equal to 20 hours, 1 minute, 41 seconds.
• To count from 1 to 72,101 would take you about twenty hours.

  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 72101 cubic inches would be around 3.5 feet tall.

Recreational maths with 72101

• 72101 backwards is 10127
• 72101 is a twin prime! Its twin is 72103
• The number of decimal digits it has is: 5
• The sum of 72101's digits is 11
• More coming soon!