18020340

Names of 18020340

• Cardinal: 18020340 can be written as Eighteen million, twenty thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.802034 × 10⁷

Factors of 18020340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 191

Divisors of 18020340

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 27 30 34 36 39 45 51 52 54 60 65 68 78 85 90 102 108 117 130 135 151 153 156 170 180 195 204 221 234 255 260 270 302 306 340 351 390 442 453 459 468 510 540 585 604 612 663 702 755 765 780 884 906 918 1020 1105 1170 1326 1359 1404 1510 1530 1755 1812 1836 1963 1989 2210 2265 2295 2340 2567 2652 2718 3020 3060 3315 3510 3926 3978 4077 4420 4530 4590 5134 5436 5889 5967 6630 6795 7020 7701 7852 7956 8154 9060 9180 9815 9945 10268 11778 11934 12835 13260 13590 15402 16308 17667 19630 19890 20385 23103 23556 23868 25670 27180 29445 29835 30804 33371 35334 38505 39260 39780 40770 46206 51340 53001 58890 59670 66742 69309 70668 77010 81540 88335 92412 100113 106002 115515 117780 119340 133484 138618 154020 166855 176670 200226 212004 231030 265005 277236 300339 333710 346545 353340 400452 462060 500565 530010 600678 667420 693090 901017 1001130 1060020 1201356 1386180 1501695 1802034 2002260 3003390 3604068 4505085 6006780 9010170 18020340
• Sum of all divisors σ(n): 64350720
• Sum of proper divisors (its aliquot sum) s(n): 46330380
• 18020340 is an abundant number, because the sum of its proper divisors (46330380) is greater than itself. Its abundance is 28310040

Bases of 18020340

• Binary: 1000100101111011111110100₂
• Hexadecimal: 0x112F7F4
• Base-36: AQ8L0

Squares and roots of 18020340

• 18020340 squared (18020340²) is 324732653715600
• 18020340 cubed (18020340³) is 5851792829057375304000
• The square root of 18020340 is 4245.0371023111
• The cube root of 18020340 is 262.1728168543

Scales and comparisons

• 18,020,340 seconds is equal to 29 weeks, 5 days, 13 hours, 39 minutes.
• To count from 1 to 18,020,340 would take you about forty-four 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 18020340 cubic inches would be around 21.8 feet tall.

Recreational maths with 18020340

• 18020340 backwards is 04302081
• 18020340 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18020340's digits is 18
• More coming soon!