20492018 is an even 8-digits composite number following 20492017
and preceding 20492019 . In scientific notation, it is written as 2.0492018 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10246008 positive integers (up to 20492018) that are relatively prime to 20492018.
20492018 has 4 divisors, whose sum is 30738030
The reverse of 20492018 is 81029402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred ninety-two thousand eighteen
Scientific notation
2.0492018 × 10^7
Engineering notation
2.0492018 × 10^6
Prime Factorization
2 × 10246009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20492018
Product of the distinct prime numbers
The prime factorization of 20492018 is 2 × 10246009.
Since it has a total of 2 prime factors.
4 , 7 , 47 , 77 , 824 , 587 , 1246 , 4262 , 14877 , 36163 , 317897 , 745100 , 7865286 , 158047 , 99340058 , 31161335 , 268727026 , 565820086 , 8227500775 , 1555212657
n×2
40984036
n×3
61476054
n×4
81968072
n×5
102460090
n÷2
10246009
n÷3
6830672.6666667
n÷3
5123004.5
n÷5
4098403.6
n2
419922801712324
n3
8.6050656112994E+21
n4
1.7633515939793E+29
n5
3.6134632604152E+36
2 √n
4526.8110188078
3 √n
273.64965790694
4 √n
67.281580085547
5 √n
28.994588249512
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20492017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20492018 can be divided by 4 positive divisors.
The sum of these divisors (counting 20492018) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001010111011110010
3
Ternary
1102120002202122
4
Quaternary
1032022323302
5
Quinary
20221221033
6
Senary
2011114242
8
Octal
116127362
10
Decimal
20492018
12
Duodecimal
6a42982
16
Hexadecimal
138aef2
20
Vigesimal
681a0i
36
Base36
c77qq
md5
05404dfd9962ddabc224a9394876c5f5
sha1
d311f38035b0a57284f53f1bb00399e92dd1b682
sha256
fdafe8840515cd076709ce79d4851f7e0f0f38bef4acc31965bcf768a85a1b8f
sha512
74ca8af60a9c5d5cfe076e719df8a74952ad5b6a0af863044d527351bc26eeedadeeb24964d4f545dad98406229b2fe8c55461f56a570fe214572ec9ffb1c40f
ripemd-160
2d583bebe2543be8f6750641245fc0e55063a9e8
Diameter
40984036
Circumference
128755146.41206
Area
1.3192263889343E+15
Volume
3.6044814544155E+22
Surface area
5.2769055557371E+15
Circumference
128755146.41206
Perimeter
81968072
Area
419922801712324
Diagonal
28980089.775994
Surface area
2519536810273944
Volume
8.6050656112994E+21
Space diagonal
35493216.325616
Perimeter
61476054
Area
1.818319069556E+14
Altitude
17746608.162808
Surface area
1.818319069556E+14
Volume
1.0141167077175E+21
Height
9660029.9253312