328643865

Names of 328643865

• Cardinal: 328643865 can be written as Three hundred twenty-eight million, six hundred forty-three thousand, eight hundred sixty-five.

Scientific notation

• Scientific notation: 3.28643865 × 10⁸

Factors of 328643865

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 109

Divisors of 328643865

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 11 15 27 31 33 45 55 59 93 99 121 135 155 165 177 279 295 297 341 363 465 495 531 605 649 837 885 1023 1089 1331 1395 1485 1593 1705 1815 1829 1947 2655 3069 3245 3267 3751 3993 4185 5115 5445 5487 5841 6655 7139 7965 9145 9207 9735 11253 11979 15345 16335 16461 17523 18755 19965 20119 21417 27435 29205 33759 35695 35937 41261 46035 49383 56265 59895 60357 64251 78529 82305 87615 100595 101277 107085 123783 168795 179685 181071 192753 206305 221309 235587 246915 301785 321255 371349 392645 506385 543213 618915 663927 706761 905355 963765 1106545 1114047 1177935 1856745 1991781 2120283 2434399 2716065 3319635 3533805 5570235 5975343 7303197 9958905 10601415 12171995 21909591 29876715 36515985 65728773 109547955 328643865
• Sum of all divisors σ(n): 674611200
• Sum of proper divisors (its aliquot sum) s(n): 345967335
• 328643865 is an abundant number, because the sum of its proper divisors (345967335) is greater than itself. Its abundance is 17323470

Bases of 328643865

• Binary: 10011100101101011010100011001₂
• Hexadecimal: 0x1396B519
• Base-36: 5FNZ89

Squares and roots of 328643865

• 328643865 squared (328643865²) is 108006790002138225
• 328643865 cubed (328643865³) is 35495768912546064528239625
• The square root of 328643865 is 18128.5373099983
• The cube root of 328643865 is 690.0944105221

Scales and comparisons

• 328,643,865 seconds is equal to 10 years, 23 weeks, 2 days, 17 hours, 57 minutes, 45 seconds.
• To count from 1 to 328,643,865 would take you about fifteen 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 328643865 cubic inches would be around 57.5 feet tall.

Recreational maths with 328643865

• 328643865 backwards is 568346823
• 328643865 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 328643865's digits is 45
• More coming soon!