18420997120
18,420,997,120 is an even composite number composed of four prime numbers multiplied together.
18420997120 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-eight divisors.
Prime factorization of 18420997120:
210 × 5 × 1061 × 3391
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 1061 × 3391)See below for interesting mathematical facts about the number 18420997120 from the Numbermatics database.
Names of 18420997120
- Cardinal: 18420997120 can be written as Eighteen billion, four hundred twenty million, nine hundred ninety-seven thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.842099712 × 1010
Factors of 18420997120
Divisors of 18420997120
- Number of divisors d(n): 88
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1061 1280 2122 2560 3391 4244 5120 5305 6782 8488 10610 13564 16955 16976 21220 27128 33910 33952 42440 54256 67820 67904 84880 108512 135640 135808 169760 217024 271280 271616 339520 434048 542560 543232 679040 868096 1085120 1086464 1358080 1736192 2170240 2716160 3472384 3597851 4340480 5432320 7195702 8680960 14391404 17361920 17989255 28782808 35978510 57565616 71957020 115131232 143914040 230262464 287828080 460524928 575656160 921049856 1151312320 1842099712 2302624640 3684199424 4605249280 9210498560 18420997120
- Sum of all divisors σ(n): 44243497728
- Sum of proper divisors (its aliquot sum) s(n): 25822500608
- 18420997120 is an abundant number, because the sum of its proper divisors (25822500608) is greater than itself. Its abundance is 7401503488
Bases of 18420997120
- Binary: 100010010011111101000011100000000002
- Hexadecimal: 0x449FA1C00
- Base-36: 8GNDWCG
Squares and roots of 18420997120
- 18420997120 squared (184209971202) is 339333134895048294400
- 18420997120 cubed (184209971203) is 6250854700622256133403312128000
-
The
square root of 18420997120 is 135723.9740060687 -
The
cube root of 18420997120 is 2641.0160765921
Scales and comparisons
How big is 18420997120?- 18,420,997,120 seconds is equal to 585 years, 37 weeks, 6 days, 23 hours, 38 minutes, 40 seconds.
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To count from 1 to 18,420,997,120 would take you about one thousand, one hundred seventy-one 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 18420997120 cubic inches would be around 220.1 feet tall.
Recreational maths with 18420997120
- 18420997120 backwards is 02179902481
- The number of decimal digits it has is: 11
- The sum of 18420997120's digits is 43
- More coming soon!
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