20295990

Names of 20295990

• Cardinal: 20295990 can be written as Twenty million, two hundred ninety-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.029599 × 10⁷

Factors of 20295990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 136

Divisors of 20295990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 19 22 26 30 33 38 39 45 55 57 65 66 78 83 90 95 99 110 114 117 130 143 165 166 171 190 195 198 209 234 247 249 285 286 330 342 390 415 418 429 494 495 498 570 585 627 715 741 747 830 855 858 913 990 1045 1079 1170 1235 1245 1254 1287 1430 1482 1494 1577 1710 1826 1881 2090 2145 2158 2223 2470 2490 2574 2717 2739 3135 3154 3237 3705 3735 3762 4290 4446 4565 4731 5395 5434 5478 6270 6435 6474 7410 7470 7885 8151 8217 9130 9405 9462 9711 10790 11115 11869 12870 13585 13695 14193 15770 16185 16302 16434 17347 18810 19422 20501 22230 23655 23738 24453 27170 27390 28386 32370 34694 35607 40755 41002 41085 47310 48555 48906 52041 59345 61503 70965 71214 81510 82170 86735 97110 102505 104082 106821 118690 122265 123006 141930 156123 173470 178035 184509 205010 213642 225511 244530 260205 307515 312246 356070 369018 451022 520410 534105 615030 676533 780615 922545 1068210 1127555 1353066 1561230 1845090 2029599 2255110 3382665 4059198 6765330 10147995 20295990
• Sum of all divisors σ(n): 66044160
• Sum of proper divisors (its aliquot sum) s(n): 45748170
• 20295990 is an abundant number, because the sum of its proper divisors (45748170) is greater than itself. Its abundance is 25452180

Bases of 20295990

• Binary: 1001101011011000100110110₂
• Hexadecimal: 0x135B136
• Base-36: C30HI

Squares and roots of 20295990

• 20295990 squared (20295990²) is 411927210080100
• 20295990 cubed (20295990³) is 8360470536513608799000
• The square root of 20295990 is 4505.1071019455
• The cube root of 20295990 is 272.7742770499

Scales and comparisons

• 20,295,990 seconds is equal to 33 weeks, 3 days, 21 hours, 46 minutes, 30 seconds.
• To count from 1 to 20,295,990 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 20295990 cubic inches would be around 22.7 feet tall.

Recreational maths with 20295990

• 20295990 backwards is 09959202
• The number of decimal digits it has is: 8
• The sum of 20295990's digits is 36
• More coming soon!