12589331985

Names of 12589331985

• Cardinal: 12589331985 can be written as Twelve billion, five hundred eighty-nine million, three hundred thirty-one thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.2589331985 × 10¹⁰

Factors of 12589331985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3121

Divisors of 12589331985

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 9 15 27 45 71 135 213 355 521 639 1065 1563 1917 2521 2605 3195 4689 7563 7815 9585 12605 14067 22689 23445 36991 37815 68067 70335 110973 113445 178991 184955 332919 340335 536973 554865 894955 998757 1313441 1610919 1664595 2684865 3940323 4832757 4993785 6567205 8054595 11820969 19701615 24163785 35462907 59104845 93254311 177314535 279762933 466271555 839288799 1398814665 2517866397 4196443995 12589331985
• Sum of all divisors σ(n): 22748843520
• Sum of proper divisors (its aliquot sum) s(n): 10159511535
• 12589331985 is a deficient number, because the sum of its proper divisors (10159511535) is less than itself. Its deficiency is 2429820450

Bases of 12589331985

• Binary: 1011101110011000011111011000010001₂
• Hexadecimal: 0x2EE61F611
• Base-36: 5S7D2Q9

Squares and roots of 12589331985

• 12589331985 squared (12589331985²) is 158491279828544040225
• 12589331985 cubed (12589331985³) is 1995299338489074801585719096625
• The square root of 12589331985 is 112202.1924251037
• The cube root of 12589331985 is 2326.3098633647

Scales and comparisons

• 12,589,331,985 seconds is equal to 400 years, 15 weeks, 4 days, 20 hours, 39 minutes, 45 seconds.
• To count from 1 to 12,589,331,985 would take you about eight hundred 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 12589331985 cubic inches would be around 193.9 feet tall.

Recreational maths with 12589331985

• 12589331985 backwards is 58913398521
• The number of decimal digits it has is: 11
• The sum of 12589331985's digits is 54
• More coming soon!