128168064

Names of 128168064

• Cardinal: 128168064 can be written as One hundred twenty-eight million, one hundred sixty-eight thousand and sixty-four.

Scientific notation

• Scientific notation: 1.28168064 × 10⁸

Factors of 128168064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1643

Divisors of 128168064

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 71 72 96 128 142 144 192 213 284 288 384 426 568 576 639 852 1136 1152 1278 1567 1704 2272 2556 3134 3408 4544 4701 5112 6268 6816 9088 9402 10224 12536 13632 14103 18804 20448 25072 27264 28206 37608 40896 50144 56412 75216 81792 100288 111257 112824 150432 200576 222514 225648 300864 333771 445028 451296 601728 667542 890056 902592 1001313 1335084 1780112 1805184 2002626 2670168 3560224 4005252 5340336 7120448 8010504 10680672 14240896 16021008 21361344 32042016 42722688 64084032 128168064
• Sum of all divisors σ(n): 374250240
• Sum of proper divisors (its aliquot sum) s(n): 246082176
• 128168064 is an abundant number, because the sum of its proper divisors (246082176) is greater than itself. Its abundance is 117914112

Bases of 128168064

• Binary: 111101000111011000010000000₂
• Hexadecimal: 0x7A3B080
• Base-36: 24B340

Squares and roots of 128168064

• 128168064 squared (128168064²) is 16427052629508096
• 128168064 cubed (128168064³) is 2105423532750161936646144
• The square root of 128168064 is 11321.1335121533
• The cube root of 128168064 is 504.1888936705

Scales and comparisons

• 128,168,064 seconds is equal to 4 years, 3 weeks, 6 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 128,168,064 would take you about six 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 128168064 cubic inches would be around 42 feet tall.

Recreational maths with 128168064

• 128168064 backwards is 460861821
• 128168064 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 128168064's digits is 36
• More coming soon!