20417970

Names of 20417970

• Cardinal: 20417970 can be written as Twenty million, four hundred seventeen thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 2.041797 × 10⁷

Factors of 20417970

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 459

Divisors of 20417970

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 38 57 95 113 114 190 226 285 317 339 565 570 634 678 951 1130 1585 1695 1902 2147 3170 3390 4294 4755 6023 6441 9510 10735 12046 12882 18069 21470 30115 32205 35821 36138 60230 64410 71642 90345 107463 179105 180690 214926 358210 537315 680599 1074630 1361198 2041797 3402995 4083594 6805990 10208985 20417970
• Sum of all divisors σ(n): 52202880
• Sum of proper divisors (its aliquot sum) s(n): 31784910
• 20417970 is an abundant number, because the sum of its proper divisors (31784910) is greater than itself. Its abundance is 11366940

Bases of 20417970

• Binary: 1001101111000110110110010₂
• Hexadecimal: 0x1378DB2
• Base-36: C5MLU

Squares and roots of 20417970

• 20417970 squared (20417970²) is 416893498920900
• 20417970 cubed (20417970³) is 8512118954161968573000
• The square root of 20417970 is 4518.6247907965
• The cube root of 20417970 is 273.3196486639

Scales and comparisons

• 20,417,970 seconds is equal to 33 weeks, 5 days, 7 hours, 39 minutes, 30 seconds.
• To count from 1 to 20,417,970 would take you about fifty 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 20417970 cubic inches would be around 22.8 feet tall.

Recreational maths with 20417970

• 20417970 backwards is 07971402
• 20417970 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20417970's digits is 30
• More coming soon!