18050040

Names of 18050040

• Cardinal: 18050040 can be written as Eighteen million, fifty thousand and forty.

Scientific notation

• Scientific notation: 1.805004 × 10⁷

Factors of 18050040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 629

Divisors of 18050040

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 405 486 540 619 648 729 810 972 1080 1215 1238 1458 1620 1857 1944 2430 2476 2916 3095 3240 3645 3714 4860 4952 5571 5832 6190 7290 7428 9285 9720 11142 12380 14580 14856 16713 18570 22284 24760 27855 29160 33426 37140 44568 50139 55710 66852 74280 83565 100278 111420 133704 150417 167130 200556 222840 250695 300834 334260 401112 451251 501390 601668 668520 752085 902502 1002780 1203336 1504170 1805004 2005560 2256255 3008340 3610008 4512510 6016680 9025020 18050040
• Sum of all divisors σ(n): 60989400
• Sum of proper divisors (its aliquot sum) s(n): 42939360
• 18050040 is an abundant number, because the sum of its proper divisors (42939360) is greater than itself. Its abundance is 24889320

Bases of 18050040

• Binary: 1000100110110101111111000₂
• Hexadecimal: 0x1136BF8
• Base-36: AQVI0

Squares and roots of 18050040

• 18050040 squared (18050040²) is 325803944001600
• 18050040 cubed (18050040³) is 5880774221386640064000
• The square root of 18050040 is 4248.5338647585
• The cube root of 18050040 is 262.3167700911

Scales and comparisons

• 18,050,040 seconds is equal to 29 weeks, 5 days, 21 hours, 54 minutes.
• To count from 1 to 18,050,040 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 18050040 cubic inches would be around 21.9 feet tall.

Recreational maths with 18050040

• 18050040 backwards is 04005081
• 18050040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18050040's digits is 18
• More coming soon!