1028409438

Names of 1028409438

• Cardinal: 1028409438 can be written as One billion, twenty-eight million, four hundred nine thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.028409438 × 10⁹

Factors of 1028409438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2269

Divisors of 1028409438

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 31 42 62 93 186 217 434 443 651 886 1302 1329 1783 2658 3101 3566 5349 6202 9303 10698 12481 13733 18606 24962 27466 37443 41199 55273 74886 82398 96131 110546 165819 192262 288393 331638 386911 576786 773822 789869 1160733 1579738 2321466 2369607 4739214 5529083 11058166 16587249 24485939 33174498 48971878 73457817 146915634 171401573 342803146 514204719 1028409438
• Sum of all divisors σ(n): 2433318912
• Sum of proper divisors (its aliquot sum) s(n): 1404909474
• 1028409438 is an abundant number, because the sum of its proper divisors (1404909474) is greater than itself. Its abundance is 376500036

Bases of 1028409438

• Binary: 111101010011000100100001011110₂
• Hexadecimal: 0x3D4C485E
• Base-36: H0ADSU

Squares and roots of 1028409438

• 1028409438 squared (1028409438²) is 1057625972167475844
• 1028409438 cubed (1028409438³) is 1087672531650957474606615672
• The square root of 1028409438 is 32068.8234583061
• The cube root of 1028409438 is 1009.3815244339

Scales and comparisons

• 1,028,409,438 seconds is equal to 32 years, 36 weeks, 2 days, 21 hours, 17 minutes, 18 seconds.
• To count from 1 to 1,028,409,438 would take you about sixty-five 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 1028409438 cubic inches would be around 84.1 feet tall.

Recreational maths with 1028409438

• 1028409438 backwards is 8349048201
• The number of decimal digits it has is: 10
• The sum of 1028409438's digits is 39
• More coming soon!