138849390625

Names of 138849390625

• Cardinal: 138849390625 can be written as One hundred thirty-eight billion, eight hundred forty-nine million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.38849390625 × 10¹¹

Factors of 138849390625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 287

Divisors of 138849390625

• Number of divisors d(n): 63
• Complete list of divisors:
  1 5 11 25 55 121 125 271 275 605 625 1355 1375 2981 3025 3125 6775 6875 14905 15125 15625 32791 33875 34375 73441 74525 75625 163955 169375 171875 367205 372625 378125 807851 819775 846875 1836025 1863125 1890625 4039255 4098875 4234375 8886361 9180125 9315625 20196275 20494375 44431805 45900625 46578125 100981375 102471875 222159025 229503125 504906875 512359375 1110795125 1147515625 2524534375 5553975625 12622671875 27769878125 138849390625
• Sum of all divisors σ(n): 191478584199
• Sum of proper divisors (its aliquot sum) s(n): 52629193574
• 138849390625 is a deficient number, because the sum of its proper divisors (52629193574) is less than itself. Its deficiency is 86220197051

Bases of 138849390625

• Binary: 10000001010100000100011001000000100001₂
• Hexadecimal: 0x2054119021
• Base-36: 1RSBCBHD

Squares and roots of 138849390625

• 138849390625 squared (138849390625²) is 19279153276933837890625
• 138849390625 cubed (138849390625³) is 2676898684268235259555816650390625
• 138849390625 is a perfect square number. Its square root is 372625
• The cube root of 138849390625 is 5178.2298755539

Scales and comparisons

• 138,849,390,625 seconds is equal to 4,414 years, 51 weeks, 3 hours, 10 minutes, 25 seconds.
• To count from 1 to 138,849,390,625 would take you about eight thousand, eight hundred twenty-nine 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 138849390625 cubic inches would be around 431.5 feet tall.

Recreational maths with 138849390625

• 138849390625 backwards is 526093948831
• The number of decimal digits it has is: 12
• The sum of 138849390625's digits is 58
• More coming soon!