13138637280
13,138,637,280 is an even composite number composed of four prime numbers multiplied together.
13138637280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 13138637280:
25 × 3 × 5 × 27372161
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 27372161)See below for interesting mathematical facts about the number 13138637280 from the Numbermatics database.
Names of 13138637280
- Cardinal: 13138637280 can be written as Thirteen billion, one hundred thirty-eight million, six hundred thirty-seven thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.313863728 × 1010
Factors of 13138637280
Divisors of 13138637280
- Number of divisors d(n): 48
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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 80 96 120 160 240 480 27372161 54744322 82116483 109488644 136860805 164232966 218977288 273721610 328465932 410582415 437954576 547443220 656931864 821164830 875909152 1094886440 1313863728 1642329660 2189772880 2627727456 3284659320 4379545760 6569318640 13138637280
- Sum of all divisors σ(n): 41386708944
- Sum of proper divisors (its aliquot sum) s(n): 28248071664
- 13138637280 is an abundant number, because the sum of its proper divisors (28248071664) is greater than itself. Its abundance is 15109434384
Bases of 13138637280
- Binary: 11000011110001111110110001111000002
- Hexadecimal: 0x30F1FB1E0
- Base-36: 61AELEO
Squares and roots of 13138637280
- 13138637280 squared (131386372802) is 172623789575405798400
- 13138637280 cubed (131386372803) is 2268041357130301993986404352000
-
The
square root of 13138637280 is 114623.8948910741 -
The
cube root of 13138637280 is 2359.6636789719
Scales and comparisons
How big is 13138637280?- 13,138,637,280 seconds is equal to 417 years, 39 weeks, 6 days, 13 hours, 28 minutes.
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To count from 1 to 13,138,637,280 would take you about eight hundred thirty-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 13138637280 cubic inches would be around 196.6 feet tall.
Recreational maths with 13138637280
- 13138637280 backwards is 08273683131
- The number of decimal digits it has is: 11
- The sum of 13138637280's digits is 42
- More coming soon!
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