20145090 is an even 8-digits composite number following 20145089
and preceding 20145091 . In scientific notation, it is written as 2.0145090 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 4604544 positive integers (up to 20145090) that are relatively prime to 20145090.
20145090 has 16 divisors, whose sum is 36837120
The reverse of 20145090 is 09054102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred forty-five thousand ninety
Scientific notation
2.0145090 × 10^7
Engineering notation
2.0145090 × 10^6
Prime Factorization
2 × 15 × 7 × 95929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145090
Product of the distinct prime numbers
The prime factorization of 20145090 is 2 × 15 × 7 × 95929.
Since it has a total of 4 prime factors.
8 , 3 , 65 , 85 , 989 , 115 , 9646 , 345 , 33627 , 54285 , 198188 , 116028 , 3522816 , 1529659 , 7972157 , 86742895 , 466163907 , 224643650 , 4568204682 , 6550648083
n×2
40290180
n×3
60435270
n×4
80580360
n×5
100725450
n÷2
10072545
n÷3
6715030
n÷3
5036272.5
n÷5
4029018
n2
405824651108100
n3
8.1753741207913E+21
n4
1.6469364744701E+29
n5
3.3177683502483E+36
2 √n
4488.328196556
3 √n
272.09657218196
4 √n
66.994986353876
5 √n
28.89574142839
1 , 2 , 7 , 14 , 15 , 30 , 105 , 210 , 95929 , 191858 , 671503 , 1343006 , 1438935 , 2877870 , 10072545 , 20145090
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145090 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110001111000010
3
Ternary
1101220110212110
4
Quaternary
1030312033002
5
Quinary
20124120330
6
Senary
1555440150
8
Octal
114661702
10
Decimal
20145090
12
Duodecimal
68b6056
16
Hexadecimal
13363c2
20
Vigesimal
65i2ea
36
Base36
bzs1u
md5
313de05ea84f86898870c27b109558e0
sha1
9f4a3a8b4cdd776a0c09861548af0b242246e9e9
sha256
e3ccc390c8593c1969fcdced1ce1a109d57bfe21dd754d7e385e483bbad2c4e5
sha512
2be165669477cf9a3d7abde0de2a4294f41d1932c78a14c03c0031070def5faae5069bcaaae2f0933964d906fadcafd188dc841dad2d5247bece73b365f284e8
ripemd-160
d49e8344a6383bd2eb12a9197399a2b4970380c4
Diameter
40290180
Circumference
126575333.49981
Area
1.2749357425668E+15
Volume
3.4244927037635E+22
Surface area
5.0997429702674E+15
Circumference
126575333.49981
Perimeter
80580360
Area
405824651108100
Diagonal
28489459.493227
Surface area
2434947906648600
Volume
8.1753741207913E+21
Space diagonal
34892319.403048
Perimeter
60435270
Area
1.7572722867079E+14
Altitude
17446159.701524
Surface area
1.7572722867079E+14
Volume
9.6347707992475E+20
Height
9496486.4977422