18040320

Names of 18040320

• Cardinal: 18040320 can be written as Eighteen million, forty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.804032 × 10⁷

Factors of 18040320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 39

Divisors of 18040320

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 45 48 54 58 60 64 72 80 81 87 90 96 108 116 120 128 135 144 145 160 162 174 180 192 216 232 240 243 256 261 270 288 290 320 324 348 360 384 405 432 435 464 480 486 512 522 540 576 580 640 648 696 720 768 783 810 864 870 928 960 972 1044 1080 1152 1160 1215 1280 1296 1305 1392 1440 1536 1566 1620 1728 1740 1856 1920 1944 2088 2160 2304 2320 2349 2430 2560 2592 2610 2784 2880 3132 3240 3456 3480 3712 3840 3888 3915 4176 4320 4608 4640 4698 4860 5184 5220 5568 5760 6264 6480 6912 6960 7047 7424 7680 7776 7830 8352 8640 9280 9396 9720 10368 10440 11136 11520 11745 12528 12960 13824 13920 14094 14848 15552 15660 16704 17280 18560 18792 19440 20736 20880 22272 23040 23490 25056 25920 27840 28188 31104 31320 33408 34560 35235 37120 37584 38880 41472 41760 44544 46980 50112 51840 55680 56376 62208 62640 66816 69120 70470 74240 75168 77760 83520 93960 100224 103680 111360 112752 124416 125280 133632 140940 150336 155520 167040 187920 200448 207360 222720 225504 250560 281880 300672 311040 334080 375840 400896 451008 501120 563760 601344 622080 668160 751680 902016 1002240 1127520 1202688 1503360 1804032 2004480 2255040 3006720 3608064 4510080 6013440 9020160 18040320
• Sum of all divisors σ(n): 67026960
• Sum of proper divisors (its aliquot sum) s(n): 48986640
• 18040320 is an abundant number, because the sum of its proper divisors (48986640) is greater than itself. Its abundance is 30946320

Bases of 18040320

• Binary: 1000100110100011000000000₂
• Hexadecimal: 0x1134600
• Base-36: AQO00

Squares and roots of 18040320

• 18040320 squared (18040320²) is 325453145702400
• 18040320 cubed (18040320³) is 5871278893477920768000
• The square root of 18040320 is 4247.3897866807
• The cube root of 18040320 is 262.2696755173

Scales and comparisons

• 18,040,320 seconds is equal to 29 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 18,040,320 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 18040320 cubic inches would be around 21.9 feet tall.

Recreational maths with 18040320

• 18040320 backwards is 02304081
• 18040320 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18040320's digits is 18
• More coming soon!