75138

Names of 75138

• Cardinal: 75138 can be written as Seventy-five thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.5138 × 10⁴

Factors of 75138

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1801

Divisors of 75138

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 7 14 21 42 1789 3578 5367 10734 12523 25046 37569 75138
• Sum of all divisors σ(n): 171840
• Sum of proper divisors (its aliquot sum) s(n): 96702
• 75138 is an abundant number, because the sum of its proper divisors (96702) is greater than itself. Its abundance is 21564

Bases of 75138

• Binary: 10010010110000010₂
• Hexadecimal: 0x12582
• Base-36: 1LZ6

Squares and roots of 75138

• 75138 squared (75138²) is 5645719044
• 75138 cubed (75138³) is 424208037528072
• The square root of 75138 is 274.1131153375
• The cube root of 75138 is 42.1974826857

Scales and comparisons

• 75,138 seconds is equal to 20 hours, 52 minutes, 18 seconds.
• To count from 1 to 75,138 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 75138 cubic inches would be around 3.5 feet tall.

Recreational maths with 75138

• 75138 backwards is 83157
• The number of decimal digits it has is: 5
• The sum of 75138's digits is 24
• More coming soon!