199828728

Names of 199828728

• Cardinal: 199828728 can be written as One hundred ninety-nine million, eight hundred twenty-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.99828728 × 10⁸

Factors of 199828728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2760

Divisors of 199828728

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 31 33 36 44 54 62 66 72 88 93 99 108 124 132 186 198 216 248 264 279 297 341 372 396 558 594 682 744 792 837 1023 1116 1188 1364 1674 2046 2232 2376 2713 2728 3069 3348 4092 5426 6138 6696 8139 8184 9207 10852 12276 16278 18414 21704 24417 24552 29843 32556 36828 48834 59686 65112 73251 73656 84103 89529 97668 119372 146502 168206 179058 195336 238744 252309 268587 293004 336412 358116 504618 537174 586008 672824 716232 756927 805761 925133 1009236 1074348 1513854 1611522 1850266 2018472 2148696 2270781 2775399 3027708 3223044 3700532 4541562 5550798 6055416 6446088 7401064 8326197 9083124 11101596 16652394 18166248 22203192 24978591 33304788 49957182 66609576 99914364 199828728
• Sum of all divisors σ(n): 625305600
• Sum of proper divisors (its aliquot sum) s(n): 425476872
• 199828728 is an abundant number, because the sum of its proper divisors (425476872) is greater than itself. Its abundance is 225648144

Bases of 199828728

• Binary: 1011111010010010010011111000₂
• Hexadecimal: 0xBE924F8
• Base-36: 3AZ0U0

Squares and roots of 199828728

• 199828728 squared (199828728²) is 39931520534097984
• 199828728 cubed (199828728³) is 7979464955434680770084352
• The square root of 199828728 is 14136.0789471479
• The cube root of 199828728 is 584.6365658459

Scales and comparisons

• 199,828,728 seconds is equal to 6 years, 18 weeks, 2 days, 19 hours, 58 minutes, 48 seconds.
• To count from 1 to 199,828,728 would take you about nine 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 199828728 cubic inches would be around 48.7 feet tall.

Recreational maths with 199828728

• 199828728 backwards is 827828991
• 199828728 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 199828728's digits is 54
• More coming soon!