828401938

Names of 828401938

• Cardinal: 828401938 can be written as Eight hundred twenty-eight million, four hundred one thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 8.28401938 × 10⁸

Factors of 828401938

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4930

Divisors of 828401938

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 13 14 19 26 38 49 91 98 133 182 247 266 343 494 637 686 931 1274 1729 1862 3458 4459 4889 6517 8918 9778 12103 13034 24206 34223 63557 68446 84721 92891 127114 169442 185782 239561 444899 479122 650237 889798 1207583 1300474 1676927 2415166 3114293 3353854 4551659 6228586 8453081 9103318 16906162 21800051 31861613 43600102 59171567 63723226 118343134 414200969 828401938
• Sum of all divisors σ(n): 1643040000
• Sum of proper divisors (its aliquot sum) s(n): 814638062
• 828401938 is a deficient number, because the sum of its proper divisors (814638062) is less than itself. Its deficiency is 13763876

Bases of 828401938

• Binary: 110001011000000110100100010010₂
• Hexadecimal: 0x31606912
• Base-36: DP7J0Y

Squares and roots of 828401938

• 828401938 squared (828401938²) is 686249770882155844
• 828401938 cubed (828401938³) is 568490640150833870787625672
• The square root of 828401938 is 28781.9724480447
• The cube root of 828401938 is 939.1761069655

Scales and comparisons

• 828,401,938 seconds is equal to 26 years, 17 weeks, 4 days, 23 hours, 38 minutes, 58 seconds.
• To count from 1 to 828,401,938 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 828401938 cubic inches would be around 78.3 feet tall.

Recreational maths with 828401938

• 828401938 backwards is 839104828
• The number of decimal digits it has is: 9
• The sum of 828401938's digits is 43
• More coming soon!