30409470

Names of 30409470

• Cardinal: 30409470 can be written as Thirty million, four hundred nine thousand, four hundred seventy.

Scientific notation

• Scientific notation: 3.040947 × 10⁷

Factors of 30409470

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 156

Divisors of 30409470

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 45 47 63 65 70 78 79 90 91 94 105 117 126 130 141 158 182 195 210 234 235 237 273 282 315 329 390 395 423 455 470 474 546 553 585 611 630 658 705 711 790 819 846 910 987 1027 1106 1170 1185 1222 1365 1410 1422 1638 1645 1659 1833 1974 2054 2115 2370 2730 2765 2961 3055 3081 3290 3318 3555 3666 3713 4095 4230 4277 4935 4977 5135 5499 5530 5922 6110 6162 7110 7189 7426 8190 8295 8554 9165 9243 9870 9954 10270 10998 11139 12831 14378 14805 15405 16590 18330 18486 18565 21385 21567 22278 24885 25662 25991 27495 29610 30810 33417 35945 37130 38493 42770 43134 46215 48269 49770 51982 54990 55695 64155 64701 66834 71890 76986 77973 92430 96538 107835 111390 128310 129402 129955 144807 155946 167085 192465 215670 233919 241345 259910 289614 323505 334170 337883 384930 389865 434421 467838 482690 647010 675766 724035 779730 868842 1013649 1169595 1448070 1689415 2027298 2172105 2339190 3040947 3378830 4344210 5068245 6081894 10136490 15204735 30409470
• Sum of all divisors σ(n): 100638720
• Sum of proper divisors (its aliquot sum) s(n): 70229250
• 30409470 is an abundant number, because the sum of its proper divisors (70229250) is greater than itself. Its abundance is 39819780

Bases of 30409470

• Binary: 1110100000000001011111110₂
• Hexadecimal: 0x1D002FE
• Base-36: I3S3I

Squares and roots of 30409470

• 30409470 squared (30409470²) is 924735865680900
• 30409470 cubed (30409470³) is 28120727565347358123000
• The square root of 30409470 is 5514.4782164771
• The cube root of 30409470 is 312.1305543371

Scales and comparisons

• 30,409,470 seconds is equal to 50 weeks, 1 day, 23 hours, 4 minutes, 30 seconds.
• To count from 1 to 30,409,470 would take you about twenty-three 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 30409470 cubic inches would be around 26 feet tall.

Recreational maths with 30409470

• 30409470 backwards is 07490403
• The number of decimal digits it has is: 8
• The sum of 30409470's digits is 27
• More coming soon!