64345428

Names of 64345428

• Cardinal: 64345428 can be written as Sixty-four million, three hundred forty-five thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 6.4345428 × 10⁷

Factors of 64345428

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 205

Divisors of 64345428

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 193 196 243 252 294 324 343 378 386 441 486 567 579 588 686 756 772 882 972 1029 1134 1158 1323 1351 1372 1701 1737 1764 2058 2268 2316 2646 2702 3087 3402 3474 3969 4053 4116 5211 5292 5404 6174 6804 6948 7938 8106 9261 9457 10422 11907 12159 12348 15633 15876 16212 18522 18914 20844 23814 24318 27783 28371 31266 36477 37044 37828 46899 47628 48636 55566 56742 62532 66199 72954 83349 85113 93798 109431 111132 113484 132398 145908 166698 170226 187596 198597 218862 255339 264796 328293 333396 340452 397194 437724 510678 595791 656586 766017 794388 1021356 1191582 1313172 1532034 1787373 2298051 2383164 3064068 3574746 4596102 5362119 7149492 9192204 10724238 16086357 21448476 32172714 64345428
• Sum of all divisors σ(n): 197724800
• Sum of proper divisors (its aliquot sum) s(n): 133379372
• 64345428 is an abundant number, because the sum of its proper divisors (133379372) is greater than itself. Its abundance is 69033944

Bases of 64345428

• Binary: 11110101011101010101010100₂
• Hexadecimal: 0x3D5D554
• Base-36: 12B590

Squares and roots of 64345428

• 64345428 squared (64345428²) is 4140334104503184
• 64345428 cubed (64345428³) is 266411570017254101842752
• The square root of 64345428 is 8021.5601973681
• The cube root of 64345428 is 400.7183508247

Scales and comparisons

• 64,345,428 seconds is equal to 2 years, 2 weeks, 2 days, 17 hours, 43 minutes, 48 seconds.
• To count from 1 to 64,345,428 would take you about three 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 64345428 cubic inches would be around 33.4 feet tall.

Recreational maths with 64345428

• 64345428 backwards is 82454346
• 64345428 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 64345428's digits is 36
• More coming soon!