18079040

Names of 18079040

• Cardinal: 18079040 can be written as Eighteen million, seventy-nine thousand and forty.

Scientific notation

• Scientific notation: 1.807904 × 10⁷

Factors of 18079040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1167

Divisors of 18079040

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 392 448 490 560 784 980 1120 1153 1568 1960 2240 2306 3136 3920 4612 5765 7840 8071 9224 11530 15680 16142 18448 23060 32284 36896 40355 46120 56497 64568 73792 80710 92240 112994 129136 161420 184480 225988 258272 282485 322840 368960 451976 516544 564970 645680 903952 1129940 1291360 1807904 2259880 2582720 3615808 4519760 9039520 18079040
• Sum of all divisors σ(n): 50122836
• Sum of proper divisors (its aliquot sum) s(n): 32043796
• 18079040 is an abundant number, because the sum of its proper divisors (32043796) is greater than itself. Its abundance is 13964756

Bases of 18079040

• Binary: 1000100111101110101000000₂
• Hexadecimal: 0x113DD40
• Base-36: ARHVK

Squares and roots of 18079040

• 18079040 squared (18079040²) is 326851687321600
• 18079040 cubed (18079040³) is 5909164729154699264000
• The square root of 18079040 is 4251.9454370911
• The cube root of 18079040 is 262.4571782001

Scales and comparisons

• 18,079,040 seconds is equal to 29 weeks, 6 days, 5 hours, 57 minutes, 20 seconds.
• To count from 1 to 18,079,040 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 18079040 cubic inches would be around 21.9 feet tall.

Recreational maths with 18079040

• 18079040 backwards is 04097081
• The number of decimal digits it has is: 8
• The sum of 18079040's digits is 29
• More coming soon!