138439 (number)

138439 is an odd 6-digits composite number following 138438 and preceding 138440. In scientific notation, it is written as 1.38439 × 10^5. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 118656 positive integers (up to 138439) that are relatively prime to 138439.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand four hundred thirty-nine

Notation

Scientific notation 1.38439 × 10^5
Engineering notation 1.38439 × 10^3

Prime Factorization of 138439

Prime Factorization 7 × 19777

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138439
Product of the distinct prime numbers

The prime factorization of 138439 is 7 × 19777. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138439)

Multiplication

n×y
n×2 276878
n×3 415317
n×4 553756
n×5 692195

Division

n÷y
n÷2 69219.5
n÷3 46146.333333333
n÷3 34609.75
n÷5 27687.8

Exponentiation

ny
n2 19165356721
n3 2653232819098519
n4 3.6731089824318E+20
n5 5.0850153441888E+25

Nth Root

y√n
2√n 372.07391738739
3√n 51.731231573722
4√n 19.289217645809
5√n 10.67214434727

Divisors of 138439

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138439 can be divided by 4 positive divisors. The sum of these divisors (counting 138439) is 1, the average is 0.25.

Base conversion 138439

Base System Value
2 Binary 100001110011000111
3 Ternary 21000220101
4 Quaternary 201303013
5 Quinary 13412224
6 Senary 2544531
8 Octal 416307
10 Decimal 138439
12 Duodecimal 68147
16 Hexadecimal 21cc7
20 Vigesimal h61j
36 Base36 2ytj

Cryptographic Hash Functions

md5 399c25b5e601a05ea54350e031630ec8
sha1 6875b662db503c9553823aae075d5da9ea393950
sha256 90640989114cdc6bbe3a5d2f0797e44d265db32962093d4e9cf0bc39e4397481
sha512 83d25566b6bad468a1cbbd8b6e38198447112805de5207a84ef7b9c491dfcec39c3e319589073edb9b902fbd68cddddb3b0329babffd5dab7ed19b84383cdf30
ripemd-160 0cb582d5337ccf75d5e16a51fbe21b511a1b37d8

138439 as geometric shapes

Circle

Radius = n
Diameter 276878
Circumference 869837.89074063
Area 60209743878.121

Sphere

Radius = n
Volume 1.1113835643658E+16
Surface area 240838975512.49
Circumference 869837.89074063

Square

Length = n
Perimeter 553756
Area 19165356721
Diagonal 195782.31136137

Cube

Length = n
Surface area 114992140326
Volume 2653232819098519
Space diagonal 239783.38174903

Equilateral Triangle

Length = n
Perimeter 415317
Area 8298842896.4884
Altitude 119891.69087451

Triangular Pyramid

Length = n
Surface area 8298842896.4884
Volume 3.1268648640854E+14
Height 65260.77045379