20145145 is an odd 8-digits composite number following 20145144
and preceding 20145146 . In scientific notation, it is written as 2.0145145 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 15722880 positive integers (up to 20145145) that are relatively prime to 20145145.
20145145 has 8 divisors, whose sum is 24764040
The reverse of 20145145 is 54154102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred forty-five thousand one hundred forty-five
Scientific notation
2.0145145 × 10^7
Engineering notation
2.0145145 × 10^6
Prime Factorization
5 × 41 × 98269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145145
Product of the distinct prime numbers
The prime factorization of 20145145 is 5 × 41 × 98269.
Since it has a total of 3 prime factors.
6 , 5 , 93 , 49 , 999 , 387 , 1884 , 977 , 40719 , 61037 , 814345 , 217482 , 6211861 , 5412457 , 59713101 , 39988993 , 465515108 , 335688281 , 8207968815 , 8084723542
n×2
40290290
n×3
60435435
n×4
80580580
n×5
100725725
n÷2
10072572.5
n÷3
6715048.3333333
n÷3
5036286.25
n÷5
4029029
n2
405826867071025
n3
8.1754410820415E+21
n4
1.6469544603668E+29
n5
3.3178136412487E+36
2 √n
4488.3343235548
3 √n
272.0968198072
4 √n
66.995032081153
5 √n
28.895757206568
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
-20145144
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 20145145 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110001111111001
3
Ternary
1101220110221111
4
Quaternary
1030312033321
5
Quinary
20124121040
6
Senary
1555440321
8
Octal
114661771
10
Decimal
20145145
12
Duodecimal
68b60a1
16
Hexadecimal
13363f9
20
Vigesimal
65i2h5
36
Base36
bzs3d
md5
ccdcb2595bdaab20770f855da87ce40c
sha1
b7886ce095e6337941c4a853a9a78e681f698c0f
sha256
41dbbaef7807dfe8becfa9c50b1f32d6c1bb1f7e6050ed1b072382ffdf002c34
sha512
eef2a9d8e513e268bcc0dee1d27ebc514e5d79ba7a4644826aeb24285ea043a4096d50f2c4478944c8b1b7b14ffc67e6fd511ce5101c691cf6c68275d65612b8
ripemd-160
37d5fa73988215e18ced0436d2b48fe2c5b0098b
Diameter
40290290
Circumference
126575679.075
Area
1.2749427042197E+15
Volume
3.4245207524264E+22
Surface area
5.0997708168788E+15
Circumference
126575679.075
Perimeter
80580580
Area
405826867071025
Diagonal
28489537.274973
Surface area
2434961202426150
Volume
8.1754410820415E+21
Space diagonal
34892414.665842
Perimeter
60435435
Area
1.7572818821088E+14
Altitude
17446207.332921
Surface area
1.7572818821088E+14
Volume
9.6348497138377E+20
Height
9496512.4249908