18334890

Names of 18334890

• Cardinal: 18334890 can be written as Eighteen million, three hundred thirty-four thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.833489 × 10⁷

Factors of 18334890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 215

Divisors of 18334890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 89 90 105 109 126 135 178 189 210 218 267 270 315 327 378 445 534 545 623 630 654 763 801 890 945 981 1090 1246 1335 1526 1602 1635 1869 1890 1962 2289 2403 2670 2943 3115 3270 3738 3815 4005 4578 4806 4905 5607 5886 6230 6867 7630 8010 9345 9701 9810 11214 11445 12015 13734 14715 16821 18690 19402 20601 22890 24030 28035 29103 29430 33642 34335 41202 48505 56070 58206 67907 68670 84105 87309 97010 103005 135814 145515 168210 174618 203721 206010 261927 291030 339535 407442 436545 523854 611163 679070 873090 1018605 1222326 1309635 1833489 2037210 2619270 3055815 3666978 6111630 9167445 18334890
• Sum of all divisors σ(n): 57024000
• Sum of proper divisors (its aliquot sum) s(n): 38689110
• 18334890 is an abundant number, because the sum of its proper divisors (38689110) is greater than itself. Its abundance is 20354220

Bases of 18334890

• Binary: 1000101111100010010101010₂
• Hexadecimal: 0x117C4AA
• Base-36: AWZAI

Squares and roots of 18334890

• 18334890 squared (18334890²) is 336168191312100
• 18334890 cubed (18334890³) is 6163606809206309169000
• The square root of 18334890 is 4281.9259685333
• The cube root of 18334890 is 263.6894592371

Scales and comparisons

• 18,334,890 seconds is equal to 30 weeks, 2 days, 5 hours, 1 minute, 30 seconds.
• To count from 1 to 18,334,890 would take you about forty-five 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 18334890 cubic inches would be around 22 feet tall.

Recreational maths with 18334890

• 18334890 backwards is 09843381
• The number of decimal digits it has is: 8
• The sum of 18334890's digits is 36
• More coming soon!