138465592839

Names of 138465592839

• Cardinal: 138465592839 can be written as One hundred thirty-eight billion, four hundred sixty-five million, five hundred ninety-two thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.38465592839 × 10¹¹

Factors of 138465592839

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 83503

Divisors of 138465592839

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 19 21 57 63 73 133 171 219 361 399 511 657 1083 1197 1387 1533 2527 3249 4161 4599 7581 9709 12483 22743 26353 29127 79059 83401 87381 184471 237177 250203 553413 583807 750609 1584619 1660239 1751421 4753857 5254263 6088273 11092333 14261571 18264819 30107761 33276999 42617911 54794457 90323283 99830997 115677187 127853733 210754327 270969849 347031561 383561199 632262981 809740309 1041094683 1896788943 2197866553 2429220927 6593599659 7287662781 15385065871 19780798977 46155197613 138465592839
• Sum of all divisors σ(n): 244549342752
• Sum of proper divisors (its aliquot sum) s(n): 106083749913
• 138465592839 is a deficient number, because the sum of its proper divisors (106083749913) is less than itself. Its deficiency is 32381842926

Bases of 138465592839

• Binary: 10000000111101001100010100011000000111₂
• Hexadecimal: 0x203D314607
• Base-36: 1RLYU77R

Squares and roots of 138465592839

• 138465592839 squared (138465592839²) is 19172720400255728079921
• 138465592839 cubed (138465592839³) is 2654762096557798755791840437285719
• The square root of 138465592839 is 372109.6516337623
• The cube root of 138465592839 is 5173.4543723807

Scales and comparisons

• 138,465,592,839 seconds is equal to 4,402 years, 40 weeks, 3 days, 40 minutes, 39 seconds.
• To count from 1 to 138,465,592,839 would take you about eight thousand, eight hundred five 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 138465592839 cubic inches would be around 431.1 feet tall.

Recreational maths with 138465592839

• 138465592839 backwards is 938295564831
• 138465592839 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138465592839's digits is 63
• More coming soon!