381136

Names of 381136

• Cardinal: 381136 can be written as Three hundred eighty-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 3.81136 × 10⁵

Factors of 381136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 133

Divisors of 381136

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 41 56 82 83 112 164 166 287 328 332 574 581 656 664 1148 1162 1328 2296 2324 3403 4592 4648 6806 9296 13612 23821 27224 47642 54448 95284 190568 381136
• Sum of all divisors σ(n): 874944
• Sum of proper divisors (its aliquot sum) s(n): 493808
• 381136 is an abundant number, because the sum of its proper divisors (493808) is greater than itself. Its abundance is 112672

Bases of 381136

• Binary: 1011101000011010000₂
• Hexadecimal: 0x5D0D0
• Base-36: 8634

Squares and roots of 381136

• 381136 squared (381136²) is 145264650496
• 381136 cubed (381136³) is 55365587831443456
• The square root of 381136 is 617.3621303579
• The cube root of 381136 is 72.5036700481

Scales and comparisons

• 381,136 seconds is equal to 4 days, 9 hours, 52 minutes, 16 seconds.
• To count from 1 to 381,136 would take you about four days.

  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 381136 cubic inches would be around 6 feet tall.

Recreational maths with 381136

• 381136 backwards is 631183
• The number of decimal digits it has is: 6
• The sum of 381136's digits is 22
• More coming soon!