20018906 is an even 8-digits composite number following 20018905
and preceding 20018907 . In scientific notation, it is written as 2.0018906 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9715200 positive integers (up to 20018906) that are relatively prime to 20018906.
20018906 has 16 divisors, whose sum is 30918888
The reverse of 20018906 is 60981002
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eighteen thousand nine hundred six
Scientific notation
2.0018906 × 10^7
Engineering notation
2.0018906 × 10^6
Prime Factorization
2 × 41 × 241 × 1013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20018906
Product of the distinct prime numbers
The prime factorization of 20018906 is 2 × 41 × 241 × 1013.
Since it has a total of 4 prime factors.
2 , 3 , 7 , 24 , 419 , 727 , 6660 , 5298 , 5599 , 49424 , 285331 , 244947 , 8298302 , 9292760 , 72947428 , 68585883 , 519826993 , 223472511 , 6925811777 , 8092800176
n×2
40037812
n×3
60056718
n×4
80075624
n×5
100094530
n÷2
10009453
n÷3
6672968.6666667
n÷3
5004726.5
n÷5
4003781.2
n2
400756597436836
n3
8.0227086529679E+21
n4
1.6060585038915E+29
n5
3.2151534219905E+36
2 √n
4474.2492107615
3 √n
271.52726602182
4 √n
66.889828903664
5 √n
28.859451193501
1 , 2 , 41 , 82 , 241 , 482 , 1013 , 2026 , 9881 , 19762 , 41533 , 83066 , 244133 , 488266 , 10009453 , 20018906
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
-20018905
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 20018906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20018906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010111011011011010
3
Ternary
1101200001202222
4
Quaternary
1030113123122
5
Quinary
20111101111
6
Senary
1553024042
8
Octal
114273332
10
Decimal
20018906
12
Duodecimal
6855022
16
Hexadecimal
13176da
20
Vigesimal
652756
36
Base36
bx2oq
md5
d9a5db7954ff491beac18d8e47f0560b
sha1
86542e009cc65e0c40ff503edc8a1990a38b2189
sha256
213070c72a5f7ffe9195e2ac485af8249cd98fe1832b3ac146a3ea8ad099435d
sha512
323ce1ee451616a8586435d6fbe46de26abd1a4b5be4aa3e1b08e2a7dfd881c332bcf682aafc616ca1426dc8ce31a565634727d8a3084e807922a4028b6ca355
ripemd-160
cc87838ba458ec276d26932b9da032dd521eacda
Diameter
40037812
Circumference
125782496.04501
Area
1.2590139823852E+15
Volume
3.3605443421407E+22
Surface area
5.0360559295408E+15
Circumference
125782496.04501
Perimeter
80075624
Area
400756597436836
Diagonal
28311008.369072
Surface area
2404539584621016
Volume
8.0227086529679E+21
Space diagonal
34673762.303945
Perimeter
60056718
Area
1.7353269705726E+14
Altitude
17336881.151973
Surface area
1.7353269705726E+14
Volume
9.4548528199959E+20
Height
9437002.7896907