128322320

Names of 128322320

• Cardinal: 128322320 can be written as One hundred twenty-eight million, three hundred twenty-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.2832232 × 10⁸

Factors of 128322320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 130

Divisors of 128322320

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 43 56 70 73 80 86 112 140 146 172 215 280 292 301 344 365 430 511 560 584 602 688 730 860 1022 1168 1204 1460 1505 1720 2044 2408 2555 2920 3010 3139 3440 4088 4816 5110 5329 5840 6020 6278 8176 10220 10658 12040 12556 15695 20440 21316 21973 24080 25112 26645 31390 37303 40880 42632 43946 50224 53290 62780 74606 85264 87892 106580 109865 125560 149212 175784 186515 213160 219730 229147 251120 298424 351568 373030 426320 439460 458294 596848 746060 878920 916588 1145735 1492120 1604029 1757840 1833176 2291470 2984240 3208058 3666352 4582940 6416116 8020145 9165880 12832232 16040290 18331760 25664464 32080580 64161160 128322320
• Sum of all divisors σ(n): 353745216
• Sum of proper divisors (its aliquot sum) s(n): 225422896
• 128322320 is an abundant number, because the sum of its proper divisors (225422896) is greater than itself. Its abundance is 97100576

Bases of 128322320

• Binary: 111101001100000101100010000₂
• Hexadecimal: 0x7A60B10
• Base-36: 24EE4W

Squares and roots of 128322320

• 128322320 squared (128322320²) is 16466617810182400
• 128322320 cubed (128322320³) is 2113034599955925191168000
• The square root of 128322320 is 11327.9442089021
• The cube root of 128322320 is 504.3910838753

Scales and comparisons

• 128,322,320 seconds is equal to 4 years, 4 weeks, 1 day, 5 hours, 5 minutes, 20 seconds.
• To count from 1 to 128,322,320 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 128322320 cubic inches would be around 42 feet tall.

Recreational maths with 128322320

• 128322320 backwards is 023223821
• The number of decimal digits it has is: 9
• The sum of 128322320's digits is 23
• More coming soon!