145438 (number)

145438 is an even 6-digits composite number following 145437 and preceding 145439. In scientific notation, it is written as 1.45438 × 10^5. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 72718 positive integers (up to 145438) that are relatively prime to 145438.

Interesting facts

Basic properties

Name

Name one hundred forty-five thousand four hundred thirty-eight

Notation

Scientific notation 1.45438 × 10^5
Engineering notation 1.45438 × 10^3

Prime Factorization of 145438

Prime Factorization 2 × 72719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 145438
Product of the distinct prime numbers

The prime factorization of 145438 is 2 × 72719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 145438)

Multiplication

n×y
n×2 290876
n×3 436314
n×4 581752
n×5 727190

Division

n÷y
n÷2 72719
n÷3 48479.333333333
n÷3 36359.5
n÷5 29087.6

Exponentiation

ny
n2 21152211844
n3 3076335386167672
n4 4.4741606589345E+20
n5 6.5071297791412E+25

Nth Root

y√n
2√n 381.36334380745
3√n 52.588723746253
4√n 19.528526411572
5√n 10.777935462359

Divisors of 145438

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 -145437
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 145438 can be divided by 4 positive divisors. The sum of these divisors (counting 145438) is 1, the average is 0.25.

Base conversion 145438

Base System Value
2 Binary 100011100000011110
3 Ternary 21101111121
4 Quaternary 203200132
5 Quinary 14123223
6 Senary 3041154
8 Octal 434036
10 Decimal 145438
12 Duodecimal 701ba
16 Hexadecimal 2381e
20 Vigesimal i3bi
36 Base36 347y

Cryptographic Hash Functions

md5 0c823a985bfb8a6c09af1e25e4e49026
sha1 25062b621051232217ce65390bdd89fd20283a50
sha256 c8f0db24479a79bc070d958db9d1ece1fc00252c93f8b3b303f2e24c8c0ab99d
sha512 9d721de5c22f323b188bf239fe61d1159f0d2411273b2e39f0dc682edabd55f27750d8cadd657646aaf1390b088b526a734a5b7dd1bf829c062b6aba4e487235
ripemd-160 e7563816400ae50030f576b508d7a482aab14487

145438 as geometric shapes

Circle

Radius = n
Diameter 290876
Circumference 913813.90470558
Area 66451633336.285

Sphere

Radius = n
Volume 1.2886123532217E+16
Surface area 265806533345.14
Circumference 913813.90470558

Square

Length = n
Perimeter 581752
Area 21152211844
Diagonal 205680.39208442

Cube

Length = n
Surface area 126913271064
Volume 3076335386167672
Space diagonal 251906.0053512

Equilateral Triangle

Length = n
Perimeter 436314
Area 9159176401.567
Altitude 125953.0026756

Triangular Pyramid

Length = n
Surface area 9159176401.567
Volume 3.6254960212722E+14
Height 68560.130694806