18399508920
18,399,508,920 is an even composite number composed of five prime numbers multiplied together.
18399508920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 18399508920:
23 × 32 × 5 × 13 × 3931519
(2 × 2 × 2 × 3 × 3 × 5 × 13 × 3931519)See below for interesting mathematical facts about the number 18399508920 from the Numbermatics database.
Names of 18399508920
- Cardinal: 18399508920 can be written as Eighteen billion, three hundred ninety-nine million, five hundred eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.839950892 × 1010
Factors of 18399508920
Divisors of 18399508920
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1170 1560 2340 4680 3931519 7863038 11794557 15726076 19657595 23589114 31452152 35383671 39315190 47178228 51109747 58972785 70767342 78630380 94356456 102219494 117945570 141534684 153329241 157260760 176918355 204438988 235891140 255548735 283069368 306658482 353836710 408877976 459987723 471782280 511097470 613316964 707673420 766646205 919975446 1022194940 1226633928 1415346840 1533292410 1839950892 2044389880 2299938615 3066584820 3679901784 4599877230 6133169640 9199754460 18399508920
- Sum of all divisors σ(n): 64398297600
- Sum of proper divisors (its aliquot sum) s(n): 45998788680
- 18399508920 is an abundant number, because the sum of its proper divisors (45998788680) is greater than itself. Its abundance is 27599279760
Bases of 18399508920
- Binary: 100010010001011001000111001101110002
- Hexadecimal: 0x448B239B8
- Base-36: 8GALBY0
Squares and roots of 18399508920
- 18399508920 squared (183995089202) is 338541928497159566400
- 18399508920 cubed (183995089203) is 6229005233177489636640132288000
-
The
square root of 18399508920 is 135644.7895055317 -
The
cube root of 18399508920 is 2639.9887568393
Scales and comparisons
How big is 18399508920?- 18,399,508,920 seconds is equal to 585 years, 2 weeks, 3 days, 6 hours, 42 minutes.
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To count from 1 to 18,399,508,920 would take you about one thousand, one hundred seventy 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 18399508920 cubic inches would be around 220 feet tall.
Recreational maths with 18399508920
- 18399508920 backwards is 02980599381
- The number of decimal digits it has is: 11
- The sum of 18399508920's digits is 54
- More coming soon!
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