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.
145439 has 8 divisors, whose sum is 168960
The reverse of 145439 is 934541
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 26
Digital Root 8
Name
one hundred forty-five thousand four hundred thirty-nine
Scientific notation
1.45439 × 10^5
Engineering notation
1.45439 × 10^3
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.
9 , 4 , 73 , 62 , 942 , 871 , 7125 , 7448 , 60367 , 31806 , 491201 , 542134 , 9573908 , 4020183 , 10654155 , 27342027 , 538982730 , 709282906 , 1475755520 , 3750466437
n×2
290878
n×3
436317
n×4
581756
n×5
727195
n÷2
72719.5
n÷3
48479.666666667
n÷3
36359.75
n÷5
29087.8
n2
21152502721
n3
3076398843239519
n4
4.4742837136191E+20
n5
6.5073534902505E+25
2 √n
381.36465489083
3 √n
52.588844275512
4 √n
19.528559979958
5 √n
10.777950283666
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
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
md5
6d5d996d25deefba0841214457ef8ef5
sha1
c2d6c2b4ed492a7848c11621a7cb587d4c00975b
sha256
d643fccd678cd87a0cd49695663092903ea564f50065dad9b1287f02e7ac1bf6
sha512
cae870839a97986c2509f568e454a9bf6f393df8d95801a8b607fe5d260695b392af838866c092994f9292da1905d8f94e6e6d27a9498d2f66c8c7ec3bb5c4ff
ripemd-160
32a4fcddff95e9a52084cf578f2d96531db69f69
Diameter
290878
Circumference
913820.18789089
Area
66452547153.332
Volume
1.2886389340578E+16
Surface area
265810188613.33
Circumference
913820.18789089
Perimeter
581756
Area
21152502721
Diagonal
205681.80629798
Surface area
126915016326
Volume
3076398843239519
Space diagonal
251907.73740201
Perimeter
436317
Area
9159302355.0027
Altitude
125953.868701
Surface area
9159302355.0027
Volume
3.6255708061485E+14
Height
68560.602099327