145439 (number)

145439 is an odd 6-digits composite number following 145438 and preceding 145440. In scientific notation, it is written as 1.45439 × 10^5. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 122616 positive integers (up to 145439) that are relatively prime to 145439.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.45439 × 10^5
Engineering notation 1.45439 × 10^3

Prime Factorization of 145439

Prime Factorization 7 × 263 × 79

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 145439
Product of the distinct prime numbers

The prime factorization of 145439 is 7 × 263 × 79. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 145439)

Multiplication

n×y
n×2 290878
n×3 436317
n×4 581756
n×5 727195

Division

n÷y
n÷2 72719.5
n÷3 48479.666666667
n÷3 36359.75
n÷5 29087.8

Exponentiation

ny
n2 21152502721
n3 3076398843239519
n4 4.4742837136191E+20
n5 6.5073534902505E+25

Nth Root

y√n
2√n 381.36465489083
3√n 52.588844275512
4√n 19.528559979958
5√n 10.777950283666

Divisors of 145439

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 -145438
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 145439 can be divided by 8 positive divisors. The sum of these divisors (counting 145439) is 1, the average is 0.125.

Base conversion 145439

Base System Value
2 Binary 100011100000011111
3 Ternary 21101111122
4 Quaternary 203200133
5 Quinary 14123224
6 Senary 3041155
8 Octal 434037
10 Decimal 145439
12 Duodecimal 701bb
16 Hexadecimal 2381f
20 Vigesimal i3bj
36 Base36 347z

Cryptographic Hash Functions

md5 6d5d996d25deefba0841214457ef8ef5
sha1 c2d6c2b4ed492a7848c11621a7cb587d4c00975b
sha256 d643fccd678cd87a0cd49695663092903ea564f50065dad9b1287f02e7ac1bf6
sha512 cae870839a97986c2509f568e454a9bf6f393df8d95801a8b607fe5d260695b392af838866c092994f9292da1905d8f94e6e6d27a9498d2f66c8c7ec3bb5c4ff
ripemd-160 32a4fcddff95e9a52084cf578f2d96531db69f69

145439 as geometric shapes

Circle

Radius = n
Diameter 290878
Circumference 913820.18789089
Area 66452547153.332

Sphere

Radius = n
Volume 1.2886389340578E+16
Surface area 265810188613.33
Circumference 913820.18789089

Square

Length = n
Perimeter 581756
Area 21152502721
Diagonal 205681.80629798

Cube

Length = n
Surface area 126915016326
Volume 3076398843239519
Space diagonal 251907.73740201

Equilateral Triangle

Length = n
Perimeter 436317
Area 9159302355.0027
Altitude 125953.868701

Triangular Pyramid

Length = n
Surface area 9159302355.0027
Volume 3.6255708061485E+14
Height 68560.602099327