10381

Names of 10381

• Cardinal: 10381 can be written as Ten thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 1.0381 × 10⁴

Factors of 10381

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1490

Divisors of 10381

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 1483 10381
• Sum of all divisors σ(n): 11872
• Sum of proper divisors (its aliquot sum) s(n): 1491
• 10381 is a deficient number, because the sum of its proper divisors (1491) is less than itself. Its deficiency is 8890

Bases of 10381

• Binary: 10100010001101₂
• Hexadecimal: 0x288D
• Base-36: 80D

Squares and roots of 10381

• 10381 squared (10381²) is 107765161
• 10381 cubed (10381³) is 1118710136341
• The square root of 10381 is 101.8871925219
• The cube root of 10381 is 21.8145569527

Scales and comparisons

• 10,381 seconds is equal to 2 hours, 53 minutes, 1 second.
• To count from 1 to 10,381 would take you about two 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 10381 cubic inches would be around 1.8 feet tall.

Recreational maths with 10381

• 10381 backwards is 18301
• The number of decimal digits it has is: 5
• The sum of 10381's digits is 13
• More coming soon!