2180000000
2,180,000,000 is an even composite number composed of three prime numbers multiplied together.
2180000000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 2180000000:
28 × 57 × 109
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 109)See below for interesting mathematical facts about the number 2180000000 from the Numbermatics database.
Names of 2180000000
- Cardinal: 2180000000 can be written as Two billion, one hundred eighty million.
Scientific notation
- Scientific notation: 2.18 × 109
Factors of 2180000000
Divisors of 2180000000
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 109 125 128 160 200 218 250 256 320 400 436 500 545 625 640 800 872 1000 1090 1250 1280 1600 1744 2000 2180 2500 2725 3125 3200 3488 4000 4360 5000 5450 6250 6400 6976 8000 8720 10000 10900 12500 13625 13952 15625 16000 17440 20000 21800 25000 27250 27904 31250 32000 34880 40000 43600 50000 54500 62500 68125 69760 78125 80000 87200 100000 109000 125000 136250 139520 156250 160000 174400 200000 218000 250000 272500 312500 340625 348800 400000 436000 500000 545000 625000 681250 697600 800000 872000 1000000 1090000 1250000 1362500 1703125 1744000 2000000 2180000 2500000 2725000 3406250 3488000 4000000 4360000 5000000 5450000 6812500 8515625 8720000 10000000 10900000 13625000 17031250 17440000 20000000 21800000 27250000 34062500 43600000 54500000 68125000 87200000 109000000 136250000 218000000 272500000 436000000 545000000 1090000000 2180000000
- Sum of all divisors σ(n): 5489243760
- Sum of proper divisors (its aliquot sum) s(n): 3309243760
- 2180000000 is an abundant number, because the sum of its proper divisors (3309243760) is greater than itself. Its abundance is 1129243760
Bases of 2180000000
- Binary: 100000011111000000101001000000002
- Hexadecimal: 0x81F02900
- Base-36: 101WYRK
Squares and roots of 2180000000
- 2180000000 squared (21800000002) is 4752400000000000000
- 2180000000 cubed (21800000003) is 10360232000000000000000000000
-
The
square root of 2180000000 is 46690.4701197151 -
The
cube root of 2180000000 is 1296.6382569741
Scales and comparisons
How big is 2180000000?- 2,180,000,000 seconds is equal to 69 years, 16 weeks, 3 days, 11 hours, 33 minutes, 20 seconds.
-
To count from 1 to 2,180,000,000 would take you about one hundred thirty-eight 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 2180000000 cubic inches would be around 108.1 feet tall.
Recreational maths with 2180000000
- 2180000000 backwards is 0000000812
- The number of decimal digits it has is: 10
- The sum of 2180000000's digits is 11
- More coming soon!
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