129329867340

Names of 129329867340

• Cardinal: 129329867340 can be written as One hundred twenty-nine billion, three hundred twenty-nine million, eight hundred sixty-seven thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.2932986734 × 10¹¹

Factors of 129329867340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 188683

Divisors of 129329867340

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 103 111 148 180 185 206 222 309 333 370 412 444 515 555 618 666 740 927 1030 1110 1236 1332 1545 1665 1854 2060 2220 3090 3330 3708 3811 4635 6180 6660 7622 9270 11433 15244 18540 19055 22866 34299 38110 45732 57165 68598 76220 114330 137196 171495 188533 228660 342990 377066 565599 685980 754132 942665 1131198 1696797 1885330 2262396 2827995 3393594 3770660 5655990 6787188 6975721 8483985 11311980 13951442 16967970 19418899 20927163 27902884 33935940 34878605 38837798 41854326 58256697 62781489 69757210 77675596 83708652 97094495 104635815 116513394 125562978 139514420 174770091 194188990 209271630 233026788 251125956 291283485 313907445 349540182 388377980 418543260 582566970 627814890 699080364 718499263 873850455 1165133940 1255629780 1436998526 1747700910 2155497789 2873997052 3495401820 3592496315 4310995578 6466493367 7184992630 8621991156 10777488945 12932986734 14369985260 21554977890 25865973468 32332466835 43109955780 64664933670 129329867340
• Sum of all divisors σ(n): 406817156928
• Sum of proper divisors (its aliquot sum) s(n): 277487289588
• 129329867340 is an abundant number, because the sum of its proper divisors (277487289588) is greater than itself. Its abundance is 148157422248

Bases of 129329867340

• Binary: 1111000011100101010010010101001001100₂
• Hexadecimal: 0x1E1CA92A4C
• Base-36: 1NEVNWB0

Squares and roots of 129329867340

• 129329867340 squared (129329867340²) is 16726214586181998675600
• 129329867340 cubed (129329867340³) is 2163199113531290885811403694904000
• The square root of 129329867340 is 359624.6200415093
• The cube root of 129329867340 is 5057.0775166247

Scales and comparisons

• 129,329,867,340 seconds is equal to 4,112 years, 15 weeks, 11 hours, 9 minutes.
• To count from 1 to 129,329,867,340 would take you about eight thousand, two hundred twenty-four 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 129329867340 cubic inches would be around 421.4 feet tall.

Recreational maths with 129329867340

• 129329867340 backwards is 043768923921
• The number of decimal digits it has is: 12
• The sum of 129329867340's digits is 54
• More coming soon!