2018140290

Names of 2018140290

• Cardinal: 2018140290 can be written as Two billion, eighteen million, one hundred forty thousand, two hundred ninety.

Scientific notation

• Scientific notation: 2.01814029 × 10⁹

Factors of 2018140290

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 149

Divisors of 2018140290

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 23 30 38 45 46 57 69 90 95 97 114 115 138 171 190 194 207 230 285 291 342 345 414 437 485 529 570 582 690 855 873 874 970 1035 1058 1311 1455 1587 1710 1746 1843 2070 2185 2231 2622 2645 2910 3174 3686 3933 4365 4370 4462 4761 5290 5529 6555 6693 7866 7935 8730 9215 9522 10051 11058 11155 12167 13110 13386 15870 16587 18430 19665 20079 20102 22310 23805 24334 27645 30153 33174 33465 36501 39330 40158 42389 47610 50255 51313 55290 60306 60835 66930 73002 82935 84778 90459 100395 100510 102626 109503 121670 127167 150765 153939 165870 180918 182505 200790 211945 219006 231173 254334 256565 301530 307878 365010 381501 423890 452295 461817 462346 513130 547515 635835 693519 763002 769695 904590 923634 974947 1095030 1155865 1180199 1271670 1387038 1539390 1907505 1949894 2080557 2309085 2311730 2360398 2924841 3467595 3540597 3815010 4161114 4618170 4874735 5849682 5900995 6935190 7081194 8774523 9749470 10402785 10621791 11801990 14624205 17549046 17702985 20805570 21243582 22423781 29248410 35405970 43872615 44847562 53108955 67271343 87745230 106217910 112118905 134542686 201814029 224237810 336356715 403628058 672713430 1009070145 2018140290
• Sum of all divisors σ(n): 5833900800
• Sum of proper divisors (its aliquot sum) s(n): 3815760510
• 2018140290 is an abundant number, because the sum of its proper divisors (3815760510) is greater than itself. Its abundance is 1797620220

Bases of 2018140290

• Binary: 1111000010010100110000010000010₂
• Hexadecimal: 0x784A6082
• Base-36: XDJR0I

Squares and roots of 2018140290

• 2018140290 squared (2018140290²) is 4072890230121284100
• 2018140290 cubed (2018140290³) is 8219663870155135028746389000
• The square root of 2018140290 is 44923.7163422619
• The cube root of 2018140290 is 1263.7188130499

Scales and comparisons

• 2,018,140,290 seconds is equal to 64 years, 8 weeks, 6 days, 2 hours, 31 minutes, 30 seconds.
• To count from 1 to 2,018,140,290 would take you about one hundred twenty-eight years!

  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 2018140290 cubic inches would be around 105.3 feet tall.

Recreational maths with 2018140290

• 2018140290 backwards is 0920418102
• The number of decimal digits it has is: 10
• The sum of 2018140290's digits is 27
• More coming soon!