138140323664

Names of 138140323664

• Cardinal: 138140323664 can be written as One hundred thirty-eight billion, one hundred forty million, three hundred twenty-three thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.38140323664 × 10¹¹

Factors of 138140323664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 72552717

Divisors of 138140323664

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 1904 72552691 145105382 290210764 507868837 580421528 1015737674 1160843056 1233395747 2031475348 2466791494 4062950696 4933582988 8125901392 8633770229 9867165976 17267540458 19734331952 34535080916 69070161832 138140323664
• Sum of all divisors σ(n): 323875217088
• Sum of proper divisors (its aliquot sum) s(n): 185734893424
• 138140323664 is an abundant number, because the sum of its proper divisors (185734893424) is greater than itself. Its abundance is 47594569760

Bases of 138140323664

• Binary: 10000000101001110011100000111101010000₂
• Hexadecimal: 0x2029CE0F50
• Base-36: 1RGL6JWW

Squares and roots of 138140323664

• 138140323664 squared (138140323664²) is 19082749021994678384896
• 138140323664 cubed (138140323664³) is 2636097126297224326975118208978944
• The square root of 138140323664 is 371672.3337349715
• The cube root of 138140323664 is 5169.4002133095

Scales and comparisons

• 138,140,323,664 seconds is equal to 4,392 years, 22 weeks, 4 days, 8 hours, 7 minutes, 44 seconds.
• To count from 1 to 138,140,323,664 would take you about eight thousand, seven hundred eighty-four 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 138140323664 cubic inches would be around 430.8 feet tall.

Recreational maths with 138140323664

• 138140323664 backwards is 466323041831
• The number of decimal digits it has is: 12
• The sum of 138140323664's digits is 41
• More coming soon!