BrainPickings.org::The Science of Smell: How the Most Direct of Our Senses Works

"Each day, we breathe about23,040times and move around 438 cubic feet of air. It takes us about five seconds to breathe--two seconds to inhale and three seconds to exhale--and, in that time, molecules of odor flood through our systems." -- Diane AckermanMathBabbler Number Analyst (MBNA) output: ========================================= 23040 is a natural, whole, integer 23040 is even 23040 proper divisors are: 1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,32,36,40, 45,48,60,64,72,80,90,96,120,128,144,160,180,192, 240,256,288,320,360,384,480,512,576,640,720,768, 960,1152,1280,1440,1536,1920,2304,2560,2880,3840, 4608,5760,7680,11520, 23040 is refactorable (evenly divisable by # of divisors) 23040 has 59 proper divisors 23040 is abundant (sum of divisors is 56754; ratio: 2.46328) 23040 is unhappy 23040 is not a Squarefree Number: 4,9,16,36,64,144,256,576,2304, 23040 is Harshad (Niven) number 23040 is composite (not prime) 23040 has the prime factors: 2*2*2*2*2*2*2*2*2*3*3*5 (sum=29) 23040 is not in A038853 23040 in octal is 055000 23040 in hexadecimal is 0x5a00 23040 in binary is 101101000000000 (is evil) 23040 nearest square numbers: -239...64 (22801...23104 [152]) sqrt(23040) = 151.789 ln(23040) = 10.045 log(23040) = 4.36248 23040 reciprocal is .00004340277777777777777777777777 23040 is 7333.86 Pi years 23040 is 1152 scoreyears 23040 is 5761^2 - 5759^2 and 2 * (5761 + 5759) 23040 is a multiple of 2 & it contains a 2 (A121022) 23040 is a multiple of 3 & it contains a 3 (A121023) 23040 is a multiple of 4 & it contains a 4 (A121024) 23040 is a multiple of 30 & it contains a 30 23040 is a multiple of 40 & it contains a 40 23040 is a multiple of 2304 & it contains a 2304

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 14 October 2014

This work is licensed under a Creative Commons Attribution 3.0 United States License.