12387460872

Names of 12387460872

• Cardinal: 12387460872 can be written as Twelve billion, three hundred eighty-seven million, four hundred sixty thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2387460872 × 10¹⁰

Factors of 12387460872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 406170

Divisors of 12387460872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 31 41 62 82 93 123 124 164 186 246 248 328 372 492 744 984 1271 2542 3813 5084 7626 10168 15252 30504 406093 812186 1218279 1624372 2436558 3248744 4873116 9746232 12588883 16649813 25177766 33299626 37766649 49949439 50355532 66599252 75533298 99898878 100711064 133198504 151066596 199797756 302133192 399595512 516144203 1032288406 1548432609 2064576812 3096865218 4129153624 6193730436 12387460872
• Sum of all divisors σ(n): 32747420160
• Sum of proper divisors (its aliquot sum) s(n): 20359959288
• 12387460872 is an abundant number, because the sum of its proper divisors (20359959288) is greater than itself. Its abundance is 7972498416

Bases of 12387460872

• Binary: 1011100010010110011010011100001000₂
• Hexadecimal: 0x2E259A708
• Base-36: 5OV69ZC

Squares and roots of 12387460872

• 12387460872 squared (12387460872²) is 153449186855331000384
• 12387460872 cubed (12387460872³) is 1900845798010629491865416974848
• The square root of 12387460872 is 111298.9706690947
• The cube root of 12387460872 is 2313.8086051501

Scales and comparisons

• 12,387,460,872 seconds is equal to 393 years, 45 weeks, 6 days, 9 hours, 21 minutes, 12 seconds.
• To count from 1 to 12,387,460,872 would take you about seven hundred eighty-seven 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 12387460872 cubic inches would be around 192.8 feet tall.

Recreational maths with 12387460872

• 12387460872 backwards is 27806478321
• The number of decimal digits it has is: 11
• The sum of 12387460872's digits is 48
• More coming soon!