18820340

Names of 18820340

• Cardinal: 18820340 can be written as Eighteen million, eight hundred twenty thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.882034 × 10⁷

Factors of 18820340

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 126

Divisors of 18820340

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 101 110 121 140 154 202 220 242 308 385 404 484 505 605 707 770 847 1010 1111 1210 1331 1414 1540 1694 2020 2222 2420 2662 2828 3388 3535 4235 4444 5324 5555 6655 7070 7777 8470 9317 11110 12221 13310 14140 15554 16940 18634 22220 24442 26620 31108 37268 38885 46585 48884 61105 77770 85547 93170 122210 134431 155540 171094 186340 244420 268862 342188 427735 537724 672155 855470 941017 1344310 1710940 1882034 2688620 3764068 4705085 9410170 18820340
• Sum of all divisors σ(n): 50174208
• Sum of proper divisors (its aliquot sum) s(n): 31353868
• 18820340 is an abundant number, because the sum of its proper divisors (31353868) is greater than itself. Its abundance is 12533528

Bases of 18820340

• Binary: 1000111110010110011110100₂
• Hexadecimal: 0x11F2CF4
• Base-36: B7DV8

Squares and roots of 18820340

• 18820340 squared (18820340²) is 354205197715600
• 18820340 cubed (18820340³) is 6666262250774815304000
• The square root of 18820340 is 4338.2415792577
• The cube root of 18820340 is 265.9964384169

Scales and comparisons

• 18,820,340 seconds is equal to 31 weeks, 19 hours, 52 minutes, 20 seconds.
• To count from 1 to 18,820,340 would take you about forty-six 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 18820340 cubic inches would be around 22.2 feet tall.

Recreational maths with 18820340

• 18820340 backwards is 04302881
• The number of decimal digits it has is: 8
• The sum of 18820340's digits is 26
• More coming soon!