138838 (number)

138838 is an even 6-digits composite number following 138837 and preceding 138839. In scientific notation, it is written as 1.38838 × 10^5. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 57960 positive integers (up to 138838) that are relatively prime to 138838.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand eight hundred thirty-eight

Notation

Scientific notation 1.38838 × 10^5
Engineering notation 1.38838 × 10^3

Prime Factorization of 138838

Prime Factorization 2 × 7 × 47 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 138838
Product of the distinct prime numbers

The prime factorization of 138838 is 2 × 7 × 47 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138838)

Multiplication

n×y
n×2 277676
n×3 416514
n×4 555352
n×5 694190

Division

n÷y
n÷2 69419
n÷3 46279.333333333
n÷3 34709.5
n÷5 27767.6

Exponentiation

ny
n2 19275990244
n3 2676239933496472
n4 3.7156379988678E+20
n5 5.1587174848681E+25

Nth Root

y√n
2√n 372.60971538595
3√n 51.780882715531
4√n 19.303101185715
5√n 10.678288981367

Divisors of 138838

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138838 can be divided by 16 positive divisors. The sum of these divisors (counting 138838) is 1, the average is 0.0625.

Base conversion 138838

Base System Value
2 Binary 100001111001010110
3 Ternary 21001110011
4 Quaternary 201321112
5 Quinary 13420323
6 Senary 2550434
8 Octal 417126
10 Decimal 138838
12 Duodecimal 6841a
16 Hexadecimal 21e56
20 Vigesimal h71i
36 Base36 2z4m

Cryptographic Hash Functions

md5 9db934461d7c230867833d81125784ab
sha1 47ccf169b8035447b7b07d9ca5388c9f870a7bb4
sha256 946366e770e7c8fd090ffae3862e69780097ee62403b0b4c5c43f651f6444c79
sha512 e97f47ff38e413672e58633353ac8ff265f283a86a755127c5e2a4416c72476c8d9dc3c3478724340b4b8bfa0aad48d5fd965ca9d44d4c1548ff6a7c7f4fd3ba
ripemd-160 c7c14f9c666a1aa0cb88a577e93300e8d337cca4

138838 as geometric shapes

Circle

Radius = n
Diameter 277676
Circumference 872344.8816782
Area 60557309341.219

Sphere

Radius = n
Volume 1.1210207619088E+16
Surface area 242229237364.88
Circumference 872344.8816782

Square

Length = n
Perimeter 555352
Area 19275990244
Diagonal 196346.58257276

Cube

Length = n
Surface area 115655941464
Volume 2676239933496472
Space diagonal 240474.47002125

Equilateral Triangle

Length = n
Perimeter 416514
Area 8346748617.2025
Altitude 120237.23501062

Triangular Pyramid

Length = n
Surface area 8346748617.2025
Volume 3.1539790084293E+14
Height 65448.860857585