20190018 is an even 8-digits composite number following 20190017
and preceding 20190019 . In scientific notation, it is written as 2.0190018 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 6730004 positive integers (up to 20190018) that are relatively prime to 20190018.
20190018 has 8 divisors, whose sum is 40380048
The reverse of 20190018 is 81009102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred ninety thousand eighteen
Scientific notation
2.0190018 × 10^7
Engineering notation
2.0190018 × 10^6
Prime Factorization
2 × 3 × 3365003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20190018
Product of the distinct prime numbers
The prime factorization of 20190018 is 2 × 3 × 3365003.
Since it has a total of 3 prime factors.
8 , 10 , 79 , 14 , 949 , 6 , 4588 , 409 , 65055 , 9107 , 679758 , 397738 , 7086020 , 5201449 , 19184690 , 88062426 , 135404302 , 445962204 , 8734960875 , 9112011813
n×2
40380036
n×3
60570054
n×4
80760072
n×5
100950090
n÷2
10095009
n÷3
6730006
n÷3
5047504.5
n÷5
4038003.6
n2
407636826840324
n3
8.230194871369E+21
n4
1.6616778259645E+29
n5
3.3549305216424E+36
2 √n
4493.3303907013
3 √n
272.29870047676
4 √n
67.032308558644
5 √n
28.9086187229
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
-20190017
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 20190018 can be divided by 8 positive divisors.
The sum of these divisors (counting 20190018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001101000010
3
Ternary
1101222202111110
4
Quaternary
1031001031002
5
Quinary
20132040033
6
Senary
2000424150
8
Octal
115011502
10
Decimal
20190018
12
Duodecimal
6918056
16
Hexadecimal
1341342
20
Vigesimal
663f0i
36
Base36
c0qpu
md5
9a19347d62d08721b8e42e158455369b
sha1
c8221587c8632ad3119c91730932aa3ed79a1896
sha256
becca874fadf3854d817a62e59f0d939712083adfdec21c1988e7f345ccedba8
sha512
9b08ae24e06e4a868a9f04e7846bb47c8918fd8f69c73e7207cb28095a16f4c9b5053441de2c0c2e0facd72444437fbce75b071dff55a73257a0b5874c8178aa
ripemd-160
e81d99a4b763fe52a18c7368fbb752f4a097ad19
Diameter
40380036
Circumference
126857624.44929
Area
1.2806288605342E+15
Volume
3.4474559660674E+22
Surface area
5.1225154421369E+15
Circumference
126857624.44929
Perimeter
80760072
Area
407636826840324
Diagonal
28552997.280157
Surface area
2445820961041944
Volume
8.230194871369E+21
Space diagonal
34970136.98173
Perimeter
60570054
Area
1.765119237809E+14
Altitude
17485068.490865
Surface area
1.765119237809E+14
Volume
9.6993776733863E+20
Height
9517665.7600523