20145244 is an even 8-digits composite number following 20145243
and preceding 20145245 . In scientific notation, it is written as 2.0145244 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 8175168 positive integers (up to 20145244) that are relatively prime to 20145244.
20145244 has 24 divisors, whose sum is 40422368
The reverse of 20145244 is 44254102
Previous prime number is 361
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred forty-five thousand two hundred forty-four
Scientific notation
2.0145244 × 10^7
Engineering notation
2.0145244 × 10^6
Prime Factorization
2 × 2 × 7 × 361 × 1993
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10072622
Product of the distinct prime numbers
The prime factorization of 20145244 is 2 × 2 × 7 × 361 × 1993.
Since it has a total of 5 prime factors.
2 , 10 , 17 , 36 , 470 , 697 , 886 , 7635 , 96757 , 2163 , 274536 , 127199 , 6578211 , 4113630 , 50216011 , 62378863 , 19195930 , 779856241 , 2499179373 , 7995298859
n×2
40290488
n×3
60435732
n×4
80580976
n×5
100726220
n÷2
10072622
n÷3
6715081.3333333
n÷3
5036311
n÷5
4029048.8
n2
405830855819536
n3
8.1755616132134E+21
n4
1.6469868353522E+29
n5
3.3178951662957E+36
2 √n
4488.3453521315
3 √n
272.09726553148
4 √n
66.995114390017
5 √n
28.895785607201
1 , 2 , 4 , 7 , 14 , 28 , 361 , 722 , 1444 , 1993 , 2527 , 3986 , 5054 , 7972 , 10108 , 13951 , 27902 , 55804 , 719473 , 1438946 , 2877892 , 5036311 , 10072622 , 20145244
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145243
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145244 can be divided by 24 positive divisors.
The sum of these divisors (counting 20145244) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110110010001011100
3
Ternary
1101220111002011
4
Quaternary
1030312101130
5
Quinary
20124121434
6
Senary
1555441004
8
Octal
114662134
10
Decimal
20145244
12
Duodecimal
68b6164
16
Hexadecimal
133645c
20
Vigesimal
65i324
36
Base36
bzs64
md5
6ad038ac95f2d0992c1e4ace908a545c
sha1
d7854aa9cd7e471f052e15a0c9ce7e86da607a2c
sha256
2a9c644adba417ef4e8711d3b2cd5c6c5804ff7b75d35bf0700acbdad5c97b63
sha512
df82916f47c8d21a7519c1dc807b26ee6f4dba0efab02156e32319e9e8ddbfb16647a9e00c30cdd41040425e0d8bf94fa7a25114cb5d1e72b321b1d70939cc06
ripemd-160
b6ebf919af4ddb71ba6f673f1bda9135fbe2cac5
Diameter
40290488
Circumference
126576301.11035
Area
1.2749552352427E+15
Volume
3.4245712404056E+22
Surface area
5.0998209409709E+15
Circumference
126576301.11035
Perimeter
80580976
Area
405830855819536
Diagonal
28489677.282115
Surface area
2434985134917216
Volume
8.1755616132134E+21
Space diagonal
34892586.138872
Perimeter
60435732
Area
1.7572991538965E+14
Altitude
17446293.069436
Surface area
1.7572991538965E+14
Volume
9.634991761186E+20
Height
9496559.0940384