168728009000

Names of 168728009000

• Cardinal: 168728009000 can be written as One hundred sixty-eight billion, seven hundred twenty-eight million, nine thousand.

Scientific notation

• Scientific notation: 1.68728009 × 10¹¹

Factors of 168728009000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2703

Divisors of 168728009000

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 17 20 25 31 34 40 50 62 68 85 100 124 125 127 136 155 170 200 248 250 254 310 340 425 500 508 527 620 635 680 775 850 1000 1016 1054 1240 1270 1550 1700 2108 2125 2159 2521 2540 2635 3100 3175 3400 3875 3937 4216 4250 4318 5042 5080 5270 6200 6350 7750 7874 8500 8636 10084 10540 10795 12605 12700 13175 15500 15748 15875 17000 17272 19685 20168 21080 21590 25210 25400 26350 31000 31496 31750 39370 42857 43180 50420 52700 53975 63025 63500 65875 66929 78151 78740 85714 86360 98425 100840 105400 107950 126050 127000 131750 133858 156302 157480 171428 196850 214285 215900 252100 263500 267716 269875 312604 315125 320167 334645 342856 390755 393700 428570 431800 492125 504200 527000 535432 539750 625208 630250 640334 669290 781510 787400 857140 984250 1071425 1079500 1260500 1280668 1328567 1338580 1563020 1600835 1673225 1714280 1953775 1968500 2142850 2159000 2521000 2561336 2657134 2677160 3126040 3201670 3346450 3907550 3937000 4285700 5314268 5357125 5442839 6403340 6642835 6692900 7815100 8004175 8366125 8571400 9768875 9925177 10628536 10714250 10885678 12806680 13285670 13385800 15630200 16008350 16732250 19537750 19850354 21428500 21771356 26571340 27214195 32016700 33214175 33464500 39075500 39700708 40020875 42857000 43542712 49625885 53142680 54428390 64033400 66428350 66929000 78151000 79401416 80041750 99251770 108856780 132856700 136070975 160083500 166070875 168728009 198503540 217713560 248129425 265713400 272141950 320167000 332141750 337456018 397007080 496258850 544283900 664283500 674912036 680354875 843640045 992517700 1088567800 1240647125 1328567000 1349824072 1360709750 1687280090 1985035400 2481294250 2721419500 3374560180 4218200225 4962588500 5442839000 6749120360 8436400450 9925177000 16872800900 21091001125 33745601800 42182002250 84364004500 168728009000
• Sum of all divisors σ(n): 435104317440
• Sum of proper divisors (its aliquot sum) s(n): 266376308440
• 168728009000 is an abundant number, because the sum of its proper divisors (266376308440) is greater than itself. Its abundance is 97648299440

Bases of 168728009000

• Binary: 10011101001000111110010001100100101000₂
• Hexadecimal: 0x2748F91928
• Base-36: 25IGASYW

Squares and roots of 168728009000

• 168728009000 squared (168728009000²) is 28469141021104081000000
• 168728009000 cubed (168728009000³) is 4803541482431118568904729000000000
• The square root of 168728009000 is 410765.1506639773
• The cube root of 168728009000 is 5525.8071914979

Scales and comparisons

• 168,728,009,000 seconds is equal to 5,365 years, 1 week, 3 days, 11 hours, 23 minutes, 20 seconds.
• To count from 1 to 168,728,009,000 would take you about ten thousand, seven hundred thirty 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 168728009000 cubic inches would be around 460.5 feet tall.

Recreational maths with 168728009000

• 168728009000 backwards is 000900827861
• The number of decimal digits it has is: 12
• The sum of 168728009000's digits is 41
• More coming soon!