18008000000
18,008,000,000 is an even composite number composed of three prime numbers multiplied together.
18008000000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred forty divisors.
Prime factorization of 18008000000:
29 × 56 × 2251
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 2251)See below for interesting mathematical facts about the number 18008000000 from the Numbermatics database.
Names of 18008000000
- Cardinal: 18008000000 can be written as Eighteen billion, eight million.
Scientific notation
- Scientific notation: 1.8008 × 1010
Factors of 18008000000
Divisors of 18008000000
- Number of divisors d(n): 140
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 625 640 800 1000 1250 1280 1600 2000 2251 2500 2560 3125 3200 4000 4502 5000 6250 6400 8000 9004 10000 11255 12500 12800 15625 16000 18008 20000 22510 25000 31250 32000 36016 40000 45020 50000 56275 62500 64000 72032 80000 90040 100000 112550 125000 144064 160000 180080 200000 225100 250000 281375 288128 320000 360160 400000 450200 500000 562750 576256 720320 800000 900400 1000000 1125500 1152512 1406875 1440640 1600000 1800800 2000000 2251000 2813750 2881280 3601600 4000000 4502000 5627500 5762560 7034375 7203200 8000000 9004000 11255000 14068750 14406400 18008000 22510000 28137500 28812800 35171875 36016000 45020000 56275000 70343750 72032000 90040000 112550000 140687500 144064000 180080000 225100000 281375000 360160000 450200000 562750000 720320000 900400000 1125500000 1800800000 2251000000 3601600000 4502000000 9004000000 18008000000
- Sum of all divisors σ(n): 44995439676
- Sum of proper divisors (its aliquot sum) s(n): 26987439676
- 18008000000 is an abundant number, because the sum of its proper divisors (26987439676) is greater than itself. Its abundance is 8979439676
Bases of 18008000000
- Binary: 100001100010101110001000110000000002
- Hexadecimal: 0x4315C4600
- Base-36: 89THXQ8
Squares and roots of 18008000000
- 18008000000 squared (180080000002) is 324288064000000000000
- 18008000000 cubed (180080000003) is 5839779456512000000000000000000
-
The
square root of 18008000000 is 134193.8895777301 -
The
cube root of 18008000000 is 2621.1295946877
Scales and comparisons
How big is 18008000000?- 18,008,000,000 seconds is equal to 572 years, 31 weeks, 22 hours, 13 minutes, 20 seconds.
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To count from 1 to 18,008,000,000 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 18008000000 cubic inches would be around 218.4 feet tall.
Recreational maths with 18008000000
- 18008000000 backwards is 00000080081
- The number of decimal digits it has is: 11
- The sum of 18008000000's digits is 17
- More coming soon!
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