138388 (number)

138388 is an even 6-digits composite number following 138387 and preceding 138389. In scientific notation, it is written as 1.38388 × 10^5. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 66752 positive integers (up to 138388) that are relatively prime to 138388.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand three hundred eighty-eight

Notation

Scientific notation 1.38388 × 10^5
Engineering notation 1.38388 × 10^3

Prime Factorization of 138388

Prime Factorization 2 × 2 × 29 × 1193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 69194
Product of the distinct prime numbers

The prime factorization of 138388 is 2 × 2 × 29 × 1193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138388)

Multiplication

n×y
n×2 276776
n×3 415164
n×4 553552
n×5 691940

Division

n÷y
n÷2 69194
n÷3 46129.333333333
n÷3 34597
n÷5 27677.6

Exponentiation

ny
n2 19151238544
n3 2650301599627072
n4 3.6676993776919E+20
n5 5.0756558148003E+25

Nth Root

y√n
2√n 372.00537630524
3√n 51.724878313795
4√n 19.287440895703
5√n 10.671357922082

Divisors of 138388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138388 can be divided by 12 positive divisors. The sum of these divisors (counting 138388) is 1, the average is 0.083333333333333.

Base conversion 138388

Base System Value
2 Binary 100001110010010100
3 Ternary 21000211111
4 Quaternary 201302110
5 Quinary 13412023
6 Senary 2544404
8 Octal 416224
10 Decimal 138388
12 Duodecimal 68104
16 Hexadecimal 21c94
20 Vigesimal h5j8
36 Base36 2ys4

Cryptographic Hash Functions

md5 59414af1c3ce8d96b168bd7f9e40b7af
sha1 12d0672dfd10adbd3fb20329ecc81f6fb30fc735
sha256 2e9954a958a5155e502a3092309ccf244b188a52b9251d98ef3cddb8f3e246b4
sha512 7f085f69f1be338c311873b1af15a0a90729bb8008a48e09af1417a7d2e7b1cb10b8af93704910e6a71dc981ed21210e26b525de251a5e4126f29e434a15ef53
ripemd-160 862986db95c6d0fc332f4524a1df818413d1dde1

138388 as geometric shapes

Circle

Radius = n
Diameter 276776
Circumference 869517.44828997
Area 60165390316.976

Sphere

Radius = n
Volume 1.1101557380248E+16
Surface area 240661561267.9
Circumference 869517.44828997

Square

Length = n
Perimeter 553552
Area 19151238544
Diagonal 195710.18646969

Cube

Length = n
Surface area 114907431264
Volume 2650301599627072
Space diagonal 239695.04715784

Equilateral Triangle

Length = n
Perimeter 415164
Area 8292729546.5199
Altitude 119847.52357892

Triangular Pyramid

Length = n
Surface area 8292729546.5199
Volume 3.1234103888098E+14
Height 65236.728823229