21376423680
21,376,423,680 is an even composite number composed of four prime numbers multiplied together.
21376423680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21376423680:
28 × 3 × 5 × 5566777
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5566777)See below for interesting mathematical facts about the number 21376423680 from the Numbermatics database.
Names of 21376423680
- Cardinal: 21376423680 can be written as Twenty-one billion, three hundred seventy-six million, four hundred twenty-three thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.137642368 × 1010
Factors of 21376423680
Divisors of 21376423680
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 5566777 11133554 16700331 22267108 27833885 33400662 44534216 55667770 66801324 83501655 89068432 111335540 133602648 167003310 178136864 222671080 267205296 334006620 356273728 445342160 534410592 668013240 712547456 890684320 1068821184 1336026480 1425094912 1781368640 2137642368 2672052960 3562737280 4275284736 5344105920 7125474560 10688211840 21376423680
- Sum of all divisors σ(n): 68270965392
- Sum of proper divisors (its aliquot sum) s(n): 46894541712
- 21376423680 is an abundant number, because the sum of its proper divisors (46894541712) is greater than itself. Its abundance is 25518118032
Bases of 21376423680
- Binary: 100111110100010001001010111000000002
- Hexadecimal: 0x4FA225700
- Base-36: 9TIYY2O
Squares and roots of 21376423680
- 21376423680 squared (213764236802) is 456951489346864742400
- 21376423680 cubed (213764236803) is 9767988637485587213196460032000
-
The
square root of 21376423680 is 146206.7839739319 -
The
cube root of 21376423680 is 2775.3111651721
Scales and comparisons
How big is 21376423680?- 21,376,423,680 seconds is equal to 679 years, 36 weeks, 4 days, 7 hours, 28 minutes.
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To count from 1 to 21,376,423,680 would take you about one thousand, three hundred fifty-nine 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 21376423680 cubic inches would be around 231.3 feet tall.
Recreational maths with 21376423680
- 21376423680 backwards is 08632467312
- The number of decimal digits it has is: 11
- The sum of 21376423680's digits is 42
- More coming soon!
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