129712599120

Names of 129712599120

• Cardinal: 129712599120 can be written as One hundred twenty-nine billion, seven hundred twelve million, five hundred ninety-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2971259912 × 10¹¹

Factors of 129712599120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 64343

Divisors of 129712599120

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 653 780 1040 1306 1560 1959 2612 3120 3265 3918 5224 6530 7836 8489 9795 10448 13060 15672 16978 19590 25467 26120 31344 33956 39180 42445 50934 52240 63667 67912 78360 84890 101868 127334 127335 135824 156720 169780 191001 203736 254668 254670 318335 339560 382002 407472 509336 509340 636670 679120 764004 827671 955005 1018672 1018680 1273340 1528008 1655342 1910010 2037360 2483013 2546680 3056016 3310684 3820020 4138355 4966026 5093360 6621368 7640040 8276710 9932052 12415065 13242736 15280080 16553420 19864104 24830130 33106840 39728208 41574551 49660260 66213680 83149102 99320520 124723653 166298204 198641040 207872755 249447306 332596408 415745510 498894612 540469163 623618265 665192816 831491020 997789224 1080938326 1247236530 1621407489 1662982040 1995578448 2161876652 2494473060 2702345815 3242814978 3325964080 4323753304 4988946120 5404691630 6485629956 8107037445 8647506608 9977892240 10809383260 12971259912 16214074890 21618766520 25942519824 32428149780 43237533040 64856299560 129712599120
• Sum of all divisors σ(n): 433710490752
• Sum of proper divisors (its aliquot sum) s(n): 303997891632
• 129712599120 is an abundant number, because the sum of its proper divisors (303997891632) is greater than itself. Its abundance is 174285292512

Bases of 129712599120

• Binary: 1111000110011011110010011000001010000₂
• Hexadecimal: 0x1E33793050
• Base-36: 1NL7J61C

Squares and roots of 129712599120

• 129712599120 squared (129712599120²) is 16825358370465824774400
• 129712599120 cubed (129712599120³) is 2182460965358569976621911638528000
• The square root of 129712599120 is 360156.3537132171
• The cube root of 129712599120 is 5062.0611505337

Scales and comparisons

• 129,712,599,120 seconds is equal to 4,124 years, 23 weeks, 6 days, 5 hours, 32 minutes.
• To count from 1 to 129,712,599,120 would take you about eight thousand, two hundred forty-eight 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 129712599120 cubic inches would be around 421.8 feet tall.

Recreational maths with 129712599120

• 129712599120 backwards is 021995217921
• 129712599120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129712599120's digits is 48
• More coming soon!