128626029

Names of 128626029

• Cardinal: 128626029 can be written as One hundred twenty-eight million, six hundred twenty-six thousand and twenty-nine.

Scientific notation

• Scientific notation: 1.28626029 × 10⁸

Factors of 128626029

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 89

Divisors of 128626029

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 17 19 21 27 43 49 51 57 63 119 129 133 147 153 171 189 301 323 343 357 387 399 441 459 513 731 817 833 903 931 969 1029 1071 1161 1197 1323 2107 2193 2261 2451 2499 2709 2793 2907 3087 3213 3591 5117 5719 5831 6321 6517 6579 6783 7353 7497 8127 8379 8721 9261 13889 14749 15351 15827 17157 17493 18963 19551 19737 20349 22059 22491 25137 35819 40033 41667 44247 46053 47481 51471 52479 56889 58653 61047 97223 107457 110789 120099 125001 132741 138159 142443 154413 157437 175959 250733 280231 291669 322371 332367 360297 375003 398223 427329 680561 752199 840693 875007 967113 997101 1080891 2041683 2256597 2522079 2625021 2991303 4763927 6125049 6769791 7566237 14291781 18375147 42875343 128626029
• Sum of all divisors σ(n): 253440000
• Sum of proper divisors (its aliquot sum) s(n): 124813971
• 128626029 is a deficient number, because the sum of its proper divisors (124813971) is less than itself. Its deficiency is 3812058

Bases of 128626029

• Binary: 111101010101010110101101101₂
• Hexadecimal: 0x7AAAD6D
• Base-36: 24KWH9

Squares and roots of 128626029

• 128626029 squared (128626029²) is 16544655336308841
• 128626029 cubed (128626029³) is 2128073317083065735422389
• The square root of 128626029 is 11341.3415873079
• The cube root of 128626029 is 504.7886957035

Scales and comparisons

• 128,626,029 seconds is equal to 4 years, 4 weeks, 4 days, 17 hours, 27 minutes, 9 seconds.
• To count from 1 to 128,626,029 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 128626029 cubic inches would be around 42.1 feet tall.

Recreational maths with 128626029

• 128626029 backwards is 920626821
• The number of decimal digits it has is: 9
• The sum of 128626029's digits is 36
• More coming soon!