128033325

Names of 128033325

• Cardinal: 128033325 can be written as One hundred twenty-eight million, thirty-three thousand, three hundred twenty-five.

Scientific notation

• Scientific notation: 1.28033325 × 10⁸

Factors of 128033325

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 94

Divisors of 128033325

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 75 79 105 135 147 175 189 225 237 245 315 343 395 441 525 553 675 711 735 945 1029 1185 1225 1323 1575 1659 1715 1975 2133 2205 2401 2765 3087 3555 3675 3871 4725 4977 5145 5925 6615 7203 8295 8575 9261 10665 11025 11613 12005 13825 14931 15435 17775 19355 21609 24885 25725 27097 33075 34839 36015 41475 46305 53325 58065 60025 64827 74655 77175 81291 96775 104517 108045 124425 135485 174195 180075 189679 231525 243873 290325 324135 373275 406455 522585 540225 569037 677425 731619 870975 948395 1219365 1620675 1707111 2032275 2612925 2845185 3658095 4741975 5121333 6096825 8535555 14225925 18290475 25606665 42677775 128033325
• Sum of all divisors σ(n): 277859200
• Sum of proper divisors (its aliquot sum) s(n): 149825875
• 128033325 is an abundant number, because the sum of its proper divisors (149825875) is greater than itself. Its abundance is 21792550

Bases of 128033325

• Binary: 111101000011010001000101101₂
• Hexadecimal: 0x7A1A22D
• Base-36: 248759

Squares and roots of 128033325

• 128033325 squared (128033325²) is 16392532310555625
• 128033325 cubed (128033325³) is 2098790416890369266203125
• The square root of 128033325 is 11315.1811739807
• The cube root of 128033325 is 504.0121524847

Scales and comparisons

• 128,033,325 seconds is equal to 4 years, 3 weeks, 4 days, 20 hours, 48 minutes, 45 seconds.
• To count from 1 to 128,033,325 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 128033325 cubic inches would be around 42 feet tall.

Recreational maths with 128033325

• 128033325 backwards is 523330821
• 128033325 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 128033325's digits is 27
• More coming soon!