18005029920
18,005,029,920 is an even composite number composed of four prime numbers multiplied together.
18005029920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 18005029920:
25 × 34 × 5 × 1389277
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 1389277)See below for interesting mathematical facts about the number 18005029920 from the Numbermatics database.
Names of 18005029920
- Cardinal: 18005029920 can be written as Eighteen billion, five million, twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.800502992 × 1010
Factors of 18005029920
Divisors of 18005029920
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1440 1620 2160 2592 3240 4320 6480 12960 1389277 2778554 4167831 5557108 6946385 8335662 11114216 12503493 13892770 16671324 20839155 22228432 25006986 27785540 33342648 37510479 41678310 44456864 50013972 55571080 62517465 66685296 75020958 83356620 100027944 111142160 112531437 125034930 133370592 150041916 166713240 187552395 200055888 222284320 225062874 250069860 300083832 333426480 375104790 400111776 450125748 500139720 562657185 600167664 666852960 750209580 900251496 1000279440 1125314370 1200335328 1500419160 1800502992 2000558880 2250628740 3000838320 3601005984 4501257480 6001676640 9002514960 18005029920
- Sum of all divisors σ(n): 63542797164
- Sum of proper divisors (its aliquot sum) s(n): 45537767244
- 18005029920 is an abundant number, because the sum of its proper divisors (45537767244) is greater than itself. Its abundance is 27532737324
Bases of 18005029920
- Binary: 100001100010010111011110100001000002
- Hexadecimal: 0x4312EF420
- Base-36: 89RQA00
Squares and roots of 18005029920
- 18005029920 squared (180050299202) is 324181102420095206400
- 18005029920 cubed (180050299203) is 5836890448572398600480575488000
-
The
square root of 18005029920 is 134182.8227456853 -
The
cube root of 18005029920 is 2620.9854847991
Scales and comparisons
How big is 18005029920?- 18,005,029,920 seconds is equal to 572 years, 26 weeks, 1 day, 13 hours, 12 minutes.
-
To count from 1 to 18,005,029,920 would take you about one thousand, one hundred forty-five years!
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 18005029920 cubic inches would be around 218.4 feet tall.
Recreational maths with 18005029920
- 18005029920 backwards is 02992050081
- 18005029920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18005029920's digits is 36
- More coming soon!
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