131138392

Names of 131138392

• Cardinal: 131138392 can be written as One hundred thirty-one million, one hundred thirty-eight thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.31138392 × 10⁸

Factors of 131138392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 972

Divisors of 131138392

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 359 593 616 718 1186 1436 2372 2513 2872 3949 4151 4744 5026 6523 7898 8302 10052 13046 15796 16604 20104 26092 27643 31592 33208 45661 52184 55286 91322 110572 182644 212887 221144 365288 425774 851548 1490209 1703096 2341757 2980418 4683514 5960836 9367028 11921672 16392299 18734056 32784598 65569196 131138392
• Sum of all divisors σ(n): 307929600
• Sum of proper divisors (its aliquot sum) s(n): 176791208
• 131138392 is an abundant number, because the sum of its proper divisors (176791208) is greater than itself. Its abundance is 45652816

Bases of 131138392

• Binary: 111110100010000001101011000₂
• Hexadecimal: 0x7D10358
• Base-36: 262R14

Squares and roots of 131138392

• 131138392 squared (131138392²) is 17197277856345664
• 131138392 cubed (131138392³) is 2255223364858377373132288
• The square root of 131138392 is 11451.5672289867
• The cube root of 131138392 is 508.0540893487

Scales and comparisons

• 131,138,392 seconds is equal to 4 years, 8 weeks, 5 days, 19 hours, 19 minutes, 52 seconds.
• To count from 1 to 131,138,392 would take you about six 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 131138392 cubic inches would be around 42.3 feet tall.

Recreational maths with 131138392

• 131138392 backwards is 293831131
• The number of decimal digits it has is: 9
• The sum of 131138392's digits is 31
• More coming soon!