20998425

Names of 20998425

• Cardinal: 20998425 can be written as Twenty million, nine hundred ninety-eight thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 2.0998425 × 10⁷

Factors of 20998425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 122

Divisors of 20998425

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 15 21 23 25 35 37 47 69 75 105 111 115 141 161 175 185 235 259 329 345 483 525 555 575 705 777 805 851 925 987 1081 1175 1295 1645 1725 1739 2415 2553 2775 3243 3525 3885 4025 4255 4935 5217 5405 5957 6475 7567 8225 8695 12075 12173 12765 16215 17871 19425 21275 22701 24675 26085 27025 29785 36519 37835 39997 43475 60865 63825 81075 89355 113505 119991 130425 148925 182595 189175 199985 279979 304325 446775 567525 599955 839937 912975 999925 1399895 2999775 4199685 6999475 20998425
• Sum of all divisors σ(n): 43425792
• Sum of proper divisors (its aliquot sum) s(n): 22427367
• 20998425 is an abundant number, because the sum of its proper divisors (22427367) is greater than itself. Its abundance is 1428942

Bases of 20998425

• Binary: 1010000000110100100011001₂
• Hexadecimal: 0x1406919
• Base-36: CI2HL

Squares and roots of 20998425

• 20998425 squared (20998425²) is 440933852480625
• 20998425 cubed (20998425³) is 9258916431275468015625
• The square root of 20998425 is 4582.4038451451
• The cube root of 20998425 is 275.8855201553

Scales and comparisons

• 20,998,425 seconds is equal to 34 weeks, 5 days, 53 minutes, 45 seconds.
• To count from 1 to 20,998,425 would take you about thirteen hours!

  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 20998425 cubic inches would be around 23 feet tall.

Recreational maths with 20998425

• 20998425 backwards is 52489902
• The number of decimal digits it has is: 8
• The sum of 20998425's digits is 39
• More coming soon!