30201990

Names of 30201990

• Cardinal: 30201990 can be written as Thirty million, two hundred one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 3.020199 × 10⁷

Factors of 30201990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 90

Divisors of 30201990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 23 26 30 35 37 39 42 46 65 69 70 74 78 91 105 111 115 130 138 161 169 182 185 195 210 222 230 259 273 299 322 338 345 370 390 455 481 483 507 518 546 555 598 690 777 805 845 851 897 910 962 966 1014 1110 1183 1295 1365 1443 1495 1554 1610 1690 1702 1794 2093 2366 2405 2415 2535 2553 2590 2730 2886 2990 3367 3549 3885 3887 4186 4255 4485 4810 4830 5070 5106 5915 5957 6253 6279 6734 7098 7215 7770 7774 8510 8970 10101 10465 11063 11661 11830 11914 12506 12558 12765 14430 16835 17745 17871 18759 19435 20202 20930 22126 23322 25530 27209 29785 31265 31395 33189 33670 35490 35742 37518 38870 43771 50505 54418 55315 58305 59570 62530 62790 66378 77441 81627 87542 89355 93795 101010 110630 116610 131313 136045 143819 154882 163254 165945 178710 187590 218855 232323 262626 272090 287638 331890 387205 408135 431457 437710 464646 656565 719095 774410 816270 862914 1006733 1161615 1313130 1438190 2013466 2157285 2323230 3020199 4314570 5033665 6040398 10067330 15100995 30201990
• Sum of all divisors σ(n): 96132096
• Sum of proper divisors (its aliquot sum) s(n): 65930106
• 30201990 is an abundant number, because the sum of its proper divisors (65930106) is greater than itself. Its abundance is 35728116

Bases of 30201990

• Binary: 1110011001101100010000110₂
• Hexadecimal: 0x1CCD886
• Base-36: HZC06

Squares and roots of 30201990

• 30201990 squared (30201990²) is 912160199960100
• 30201990 cubed (30201990³) is 27549053237592940599000
• The square root of 30201990 is 5495.6337214193
• The cube root of 30201990 is 311.4190578495

Scales and comparisons

• 30,201,990 seconds is equal to 49 weeks, 6 days, 13 hours, 26 minutes, 30 seconds.
• To count from 1 to 30,201,990 would take you about twenty-two 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 30201990 cubic inches would be around 26 feet tall.

Recreational maths with 30201990

• 30201990 backwards is 09910203
• The number of decimal digits it has is: 8
• The sum of 30201990's digits is 24
• More coming soon!