1630728

Names of 1630728

• Cardinal: 1630728 can be written as One million, six hundred thirty thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.630728 × 10⁶

Factors of 1630728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 116

Divisors of 1630728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 29 33 36 44 58 66 71 72 87 88 99 116 132 142 174 198 213 232 261 264 284 319 348 396 426 522 568 638 639 696 781 792 852 957 1044 1276 1278 1562 1704 1914 2059 2088 2343 2552 2556 2871 3124 3828 4118 4686 5112 5742 6177 6248 7029 7656 8236 9372 11484 12354 14058 16472 18531 18744 22649 22968 24708 28116 37062 45298 49416 56232 67947 74124 90596 135894 148248 181192 203841 271788 407682 543576 815364 1630728
• Sum of all divisors σ(n): 5054400
• Sum of proper divisors (its aliquot sum) s(n): 3423672
• 1630728 is an abundant number, because the sum of its proper divisors (3423672) is greater than itself. Its abundance is 1792944

Bases of 1630728

• Binary: 110001110001000001000₂
• Hexadecimal: 0x18E208
• Base-36: YYA0

Squares and roots of 1630728

• 1630728 squared (1630728²) is 2659273809984
• 1630728 cubed (1630728³) is 4336552261607588352
• The square root of 1630728 is 1276.9996084575
• The cube root of 1630728 is 117.7047102929

Scales and comparisons

• 1,630,728 seconds is equal to 2 weeks, 4 days, 20 hours, 58 minutes, 48 seconds.
• To count from 1 to 1,630,728 would take you about four weeks!

  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 1630728 cubic inches would be around 9.8 feet tall.

Recreational maths with 1630728

• 1630728 backwards is 8270361
• The number of decimal digits it has is: 7
• The sum of 1630728's digits is 27
• More coming soon!