138487849071

Names of 138487849071

• Cardinal: 138487849071 can be written as One hundred thirty-eight billion, four hundred eighty-seven million, eight hundred forty-nine thousand and seventy-one.

Scientific notation

• Scientific notation: 1.38487849071 × 10¹¹

Factors of 138487849071

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 27536

Divisors of 138487849071

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 13 17 33 39 51 143 187 221 429 561 663 709 2127 2431 7293 7799 9217 12053 23397 26783 27651 36159 80349 101387 132583 156689 294613 304161 348179 397749 455311 470067 883839 1044537 1365933 1723579 3829969 5008421 5170737 5919043 11489907 15025263 17757129 18989147 56967441 65109473 195328419 208880617 246858911 322815499 626641851 740576733 968446497 2715448021 3550970489 4196601487 8146344063 10652911467 12589804461 46162616357 138487849071
• Sum of all divisors σ(n): 230025277440
• Sum of proper divisors (its aliquot sum) s(n): 91537428369
• 138487849071 is a deficient number, because the sum of its proper divisors (91537428369) is less than itself. Its deficiency is 46950420702

Bases of 138487849071

• Binary: 10000000111110100001001110000001101111₂
• Hexadecimal: 0x203E84E06F
• Base-36: 1RMC388F

Squares and roots of 138487849071

• 138487849071 squared (138487849071²) is 19178884340312075563041
• 138487849071 cubed (138487849071³) is 2656042439871304121613169353784911
• The square root of 138487849071 is 372139.5559074579
• The cube root of 138487849071 is 5173.7315421573

Scales and comparisons

• 138,487,849,071 seconds is equal to 4,403 years, 25 weeks, 1 day, 14 hours, 57 minutes, 51 seconds.
• To count from 1 to 138,487,849,071 would take you about eight thousand, eight hundred 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 138487849071 cubic inches would be around 431.1 feet tall.

Recreational maths with 138487849071

• 138487849071 backwards is 170948784831
• The number of decimal digits it has is: 12
• The sum of 138487849071's digits is 60
• More coming soon!