138951265239

Names of 138951265239

• Cardinal: 138951265239 can be written as One hundred thirty-eight billion, nine hundred fifty-one million, two hundred sixty-five thousand, two hundred thirty-nine.

Scientific notation

• Scientific notation: 1.38951265239 × 10¹¹

Factors of 138951265239

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 760

Divisors of 138951265239

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 9 27 43 81 129 317 387 397 951 1161 1191 2853 3483 3573 8559 10719 13631 17071 25677 32157 40893 51213 100489 122679 125849 153639 301467 368037 377547 460917 904401 1104111 1132641 1382751 2713203 3397923 4321027 5411507 8139609 10193769 12963081 16234521 38889243 39894133 48703563 116667729 119682399 146110689 350003187 359047197 438332067 1077141591 1715447719 3231424773 5146343157 15439029471 46317088413 138951265239
• Sum of all divisors σ(n): 213605194264
• Sum of proper divisors (its aliquot sum) s(n): 74653929025
• 138951265239 is a deficient number, because the sum of its proper divisors (74653929025) is less than itself. Its deficiency is 64297336214

Bases of 138951265239

• Binary: 10000001011010001001000000101111010111₂
• Hexadecimal: 0x205A240BD7
• Base-36: 1RTZZUFR

Squares and roots of 138951265239

• 138951265239 squared (138951265239²) is 19307454111518929727121
• 138951265239 cubed (138951265239³) is 2682795177339487889682591962846919
• The square root of 138951265239 is 372761.6735113737
• The cube root of 138951265239 is 5179.4959985155

Scales and comparisons

• 138,951,265,239 seconds is equal to 4,418 years, 11 weeks, 3 days, 5 hours, 40 minutes, 39 seconds.
• To count from 1 to 138,951,265,239 would take you about eight thousand, eight hundred thirty-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 138951265239 cubic inches would be around 431.6 feet tall.

Recreational maths with 138951265239

• 138951265239 backwards is 932562159831
• The number of decimal digits it has is: 12
• The sum of 138951265239's digits is 54
• More coming soon!