138808 (number)

138808 is an even 6-digits composite number following 138807 and preceding 138809. In scientific notation, it is written as 1.38808 × 10^5. The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors. There are 69400 positive integers (up to 138808) that are relatively prime to 138808.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand eight hundred eight

Notation

Scientific notation 1.38808 × 10^5
Engineering notation 1.38808 × 10^3

Prime Factorization of 138808

Prime Factorization 2 × 2 × 2 × 17351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 34702
Product of the distinct prime numbers

The prime factorization of 138808 is 2 × 2 × 2 × 17351. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138808)

Multiplication

n×y
n×2 277616
n×3 416424
n×4 555232
n×5 694040

Division

n÷y
n÷2 69404
n÷3 46269.333333333
n÷3 34702
n÷5 27761.6

Exponentiation

ny
n2 19267660864
n3 2674505469210112
n4 3.7124275517012E+20
n5 5.1531464359654E+25

Nth Root

y√n
2√n 372.56945661178
3√n 51.777152856792
4√n 19.302058351683
5√n 10.677827470309

Divisors of 138808

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138808 can be divided by 8 positive divisors. The sum of these divisors (counting 138808) is 1, the average is 0.125.

Base conversion 138808

Base System Value
2 Binary 100001111000111000
3 Ternary 21001102001
4 Quaternary 201320320
5 Quinary 13420213
6 Senary 2550344
8 Octal 417070
10 Decimal 138808
12 Duodecimal 683b4
16 Hexadecimal 21e38
20 Vigesimal h708
36 Base36 2z3s

Cryptographic Hash Functions

md5 b22992fcf247bf076e035a1e64922ab4
sha1 6d295c0d9a66fa9c8acd9418d767a6864e4ce67e
sha256 e5f942e7ec2ca28079b08677748b8a959a04335ae92fc14dcb52ab13665bb70a
sha512 5dd6f25e9b1e6f5b48f9e0fa9574c8577653998260ba190c16fec73c76558cf6e9e2a8d6ea3af564f9b72263291dbad78abbc804cfa32c13b458f907ab94ea09
ripemd-160 0d5a45569003257897612841db43120583e5b7cf

138808 as geometric shapes

Circle

Radius = n
Diameter 277616
Circumference 872156.38611898
Area 60531141822.202

Sphere

Radius = n
Volume 1.1202942312075E+16
Surface area 242124567288.81
Circumference 872156.38611898

Square

Length = n
Perimeter 555232
Area 19267660864
Diagonal 196304.15616588

Cube

Length = n
Surface area 115605965184
Volume 2674505469210112
Space diagonal 240422.50849702

Equilateral Triangle

Length = n
Perimeter 416424
Area 8343141889.8636
Altitude 120211.25424851

Triangular Pyramid

Length = n
Surface area 8343141889.8636
Volume 3.151934922665E+14
Height 65434.718721962