128627226

Names of 128627226

• Cardinal: 128627226 can be written as One hundred twenty-eight million, six hundred twenty-seven thousand, two hundred twenty-six.

Scientific notation

• Scientific notation: 1.28627226 × 10⁸

Factors of 128627226

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4177

Divisors of 128627226

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 19 21 26 38 39 42 57 63 78 91 114 117 126 133 171 182 234 247 266 273 342 399 494 546 741 798 819 1197 1482 1638 1729 2223 2394 3458 4133 4446 5187 8266 10374 12399 15561 24798 28931 31122 37197 53729 57862 74394 78527 86793 107458 157054 161187 173586 235581 260379 322374 376103 471162 483561 520758 549689 706743 752206 967122 1020851 1099378 1128309 1413486 1649067 2041702 2256618 3062553 3298134 3384927 4947201 6125106 6769854 7145957 9187659 9894402 14291914 18375318 21437871 42875742 64313613 128627226
• Sum of all divisors σ(n): 361146240
• Sum of proper divisors (its aliquot sum) s(n): 232519014
• 128627226 is an abundant number, because the sum of its proper divisors (232519014) is greater than itself. Its abundance is 103891788

Bases of 128627226

• Binary: 111101010101011001000011010₂
• Hexadecimal: 0x7AAB21A
• Base-36: 24KXEI

Squares and roots of 128627226

• 128627226 squared (128627226²) is 16544963268455076
• 128627226 cubed (128627226³) is 2128132729493269731499176
• The square root of 128627226 is 11341.3943587197
• The cube root of 128627226 is 504.7902615613

Scales and comparisons

• 128,627,226 seconds is equal to 4 years, 4 weeks, 4 days, 17 hours, 47 minutes, 6 seconds.
• To count from 1 to 128,627,226 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 128627226 cubic inches would be around 42.1 feet tall.

Recreational maths with 128627226

• 128627226 backwards is 622726821
• The number of decimal digits it has is: 9
• The sum of 128627226's digits is 36
• More coming soon!