20648320

Names of 20648320

• Cardinal: 20648320 can be written as Twenty million, six hundred forty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.064832 × 10⁷

Factors of 20648320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 444

Divisors of 20648320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 280 308 320 352 385 419 440 448 560 616 640 704 770 838 880 896 1120 1232 1408 1540 1676 1760 2095 2240 2464 2933 3080 3352 3520 4190 4480 4609 4928 5866 6160 6704 7040 8380 9218 9856 11732 12320 13408 14665 16760 18436 23045 23464 24640 26816 29330 32263 33520 36872 46090 46928 49280 53632 58660 64526 67040 73744 92180 93856 117320 129052 134080 147488 161315 184360 187712 234640 258104 268160 294976 322630 368720 375424 469280 516208 589952 645260 737440 938560 1032416 1290520 1474880 1877120 2064832 2581040 2949760 4129664 5162080 10324160 20648320
• Sum of all divisors σ(n): 61689600
• Sum of proper divisors (its aliquot sum) s(n): 41041280
• 20648320 is an abundant number, because the sum of its proper divisors (41041280) is greater than itself. Its abundance is 20392960

Bases of 20648320

• Binary: 1001110110001000110000000₂
• Hexadecimal: 0x13B1180
• Base-36: CAKCG

Squares and roots of 20648320

• 20648320 squared (20648320²) is 426353118822400
• 20648320 cubed (20648320³) is 8803475630442938368000
• The square root of 20648320 is 4544.0422533247
• The cube root of 20648320 is 274.3436468239

Scales and comparisons

• 20,648,320 seconds is equal to 34 weeks, 23 hours, 38 minutes, 40 seconds.
• To count from 1 to 20,648,320 would take you about fifty-one 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 20648320 cubic inches would be around 22.9 feet tall.

Recreational maths with 20648320

• 20648320 backwards is 02384602
• The number of decimal digits it has is: 8
• The sum of 20648320's digits is 25
• More coming soon!