138395987200
138,395,987,200 is an even composite number composed of three prime numbers multiplied together.
138395987200 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-four divisors.
Prime factorization of 138395987200:
28 × 52 × 21624373
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 21624373)See below for interesting mathematical facts about the number 138395987200 from the Numbermatics database.
Names of 138395987200
- Cardinal: 138395987200 can be written as One hundred thirty-eight billion, three hundred ninety-five million, nine hundred eighty-seven thousand, two hundred.
Scientific notation
- Scientific notation: 1.383959872 × 1011
Factors of 138395987200
Divisors of 138395987200
- Number of divisors d(n): 54
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 21624373 43248746 86497492 108121865 172994984 216243730 345989968 432487460 540609325 691979936 864974920 1081218650 1383959872 1729949840 2162437300 2767919744 3459899680 4324874600 5535839488 6919799360 8649749200 13839598720 17299498400 27679197440 34598996800 69197993600 138395987200
- Sum of all divisors σ(n): 342551708534
- Sum of proper divisors (its aliquot sum) s(n): 204155721334
- 138395987200 is an abundant number, because the sum of its proper divisors (204155721334) is greater than itself. Its abundance is 65759734134
Bases of 138395987200
- Binary: 100000001110010000101100101101000000002
- Hexadecimal: 0x20390B2D00
- Base-36: 1RKTEB5S
Squares and roots of 138395987200
- 138395987200 squared (1383959872002) is 19153449273062563840000
- 138395987200 cubed (1383959872003) is 2650760520430615889999822848000000
-
The
square root of 138395987200 is 372016.1114790595 -
The
cube root of 138395987200 is 5172.5873412119
Scales and comparisons
How big is 138395987200?- 138,395,987,200 seconds is equal to 4,400 years, 29 weeks, 2 days, 9 hours, 46 minutes, 40 seconds.
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To count from 1 to 138,395,987,200 would take you about eight thousand, eight hundred one 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 138395987200 cubic inches would be around 431 feet tall.
Recreational maths with 138395987200
- 138395987200 backwards is 002789593831
- The number of decimal digits it has is: 12
- The sum of 138395987200's digits is 55
- More coming soon!
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