828985445

Names of 828985445

• Cardinal: 828985445 can be written as Eight hundred twenty-eight million, nine hundred eighty-five thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 8.28985445 × 10⁸

Factors of 828985445

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 78424

Divisors of 828985445

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 29 73 145 365 2117 10585 78317 391585 2271193 5717141 11355965 28585705 165797089 828985445
• Sum of all divisors σ(n): 1043195760
• Sum of proper divisors (its aliquot sum) s(n): 214210315
• 828985445 is a deficient number, because the sum of its proper divisors (214210315) is less than itself. Its deficiency is 614775130

Bases of 828985445

• Binary: 110001011010010101000001100101₂
• Hexadecimal: 0x31695065
• Base-36: DPK19H

Squares and roots of 828985445

• 828985445 squared (828985445²) is 687216868021848025
• 828985445 cubed (828985445³) is 569692781148597954726996125
• The square root of 828985445 is 28792.1073386441
• The cube root of 828985445 is 939.3965664579

Scales and comparisons

• 828,985,445 seconds is equal to 26 years, 18 weeks, 4 days, 17 hours, 44 minutes, 5 seconds.
• To count from 1 to 828,985,445 would take you about thirty-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 828985445 cubic inches would be around 78.3 feet tall.

Recreational maths with 828985445

• 828985445 backwards is 544589828
• The number of decimal digits it has is: 9
• The sum of 828985445's digits is 53
• More coming soon!