20478150

Names of 20478150

• Cardinal: 20478150 can be written as Twenty million, four hundred seventy-eight thousand, one hundred fifty.

Scientific notation

• Scientific notation: 2.047815 × 10⁷

Factors of 20478150

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 225

Divisors of 20478150

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 25 27 30 33 35 42 45 50 54 55 63 66 70 75 77 90 99 105 110 126 135 150 154 165 175 189 197 198 210 225 231 270 275 297 315 330 350 378 385 394 450 462 495 525 550 591 594 630 675 693 770 825 945 985 990 1050 1155 1182 1350 1379 1386 1485 1575 1650 1773 1890 1925 1970 2079 2167 2310 2475 2758 2955 2970 3150 3465 3546 3850 4137 4158 4334 4725 4925 4950 5319 5775 5910 6501 6895 6930 7425 8274 8865 9450 9850 10395 10638 10835 11550 12411 13002 13790 14775 14850 15169 17325 17730 19503 20685 20790 21670 24822 26595 29550 30338 32505 34475 34650 37233 39006 41370 44325 45507 51975 53190 54175 58509 62055 65010 68950 74466 75845 88650 91014 97515 103425 103950 108350 117018 124110 132975 136521 151690 162525 186165 195030 206850 227535 265950 273042 292545 310275 325050 372330 379225 409563 455070 487575 585090 620550 682605 758450 819126 930825 975150 1137675 1365210 1462725 1861650 2047815 2275350 2925450 3413025 4095630 6826050 10239075 20478150
• Sum of all divisors σ(n): 70709760
• Sum of proper divisors (its aliquot sum) s(n): 50231610
• 20478150 is an abundant number, because the sum of its proper divisors (50231610) is greater than itself. Its abundance is 29753460

Bases of 20478150

• Binary: 1001110000111100011000110₂
• Hexadecimal: 0x13878C6
• Base-36: C6X1I

Squares and roots of 20478150

• 20478150 squared (20478150²) is 419354627422500
• 20478150 cubed (20478150³) is 8587606963552068375000
• The square root of 20478150 is 4525.2789969239
• The cube root of 20478150 is 273.5879130549

Scales and comparisons

• 20,478,150 seconds is equal to 33 weeks, 6 days, 22 minutes, 30 seconds.
• To count from 1 to 20,478,150 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 20478150 cubic inches would be around 22.8 feet tall.

Recreational maths with 20478150

• 20478150 backwards is 05187402
• 20478150 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20478150's digits is 27
• More coming soon!