12640712032

Names of 12640712032

• Cardinal: 12640712032 can be written as Twelve billion, six hundred forty million, seven hundred twelve thousand and thirty-two.

Scientific notation

• Scientific notation: 1.2640712032 × 10¹⁰

Factors of 12640712032

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 105175

Divisors of 12640712032

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 52 68 104 136 208 221 272 289 416 442 544 578 884 1156 1768 2312 3536 3757 4624 7072 7514 9248 15028 30056 60112 105143 120224 210286 420572 841144 1366859 1682288 1787431 2733718 3364576 3574862 5467436 7149724 10934872 14299448 21869744 23236603 28598896 30386327 43739488 46473206 57197792 60772654 92946412 121545308 185892824 243090616 371785648 395022251 486181232 743571296 790044502 972362464 1580089004 3160178008 6320356016 12640712032
• Sum of all divisors σ(n): 28470261456
• Sum of proper divisors (its aliquot sum) s(n): 15829549424
• 12640712032 is an abundant number, because the sum of its proper divisors (15829549424) is greater than itself. Its abundance is 3188837392

Bases of 12640712032

• Binary: 1011110001011100011111010101100000₂
• Hexadecimal: 0x2F171F560
• Base-36: 5T1YBTS

Squares and roots of 12640712032

• 12640712032 squared (12640712032²) is 159787600675949569024
• 12640712032 cubed (12640712032³) is 2019829046428887050186891296768
• The square root of 12640712032 is 112430.9211560591
• The cube root of 12640712032 is 2329.4703083461

Scales and comparisons

• 12,640,712,032 seconds is equal to 401 years, 48 weeks, 4 days, 12 hours, 53 minutes, 52 seconds.
• To count from 1 to 12,640,712,032 would take you about eight hundred three 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 12640712032 cubic inches would be around 194.1 feet tall.

Recreational maths with 12640712032

• 12640712032 backwards is 23021704621
• The number of decimal digits it has is: 11
• The sum of 12640712032's digits is 28
• More coming soon!