20406940 is an even 8-digits composite number following 20406939
and preceding 20406941 . In scientific notation, it is written as 2.0406940 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 7822080 positive integers (up to 20406940) that are relatively prime to 20406940.
20406940 has 24 divisors, whose sum is 42981120
The reverse of 20406940 is 04960402
Previous prime number is 2623
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred six thousand nine hundred forty
Scientific notation
2.0406940 × 10^7
Engineering notation
2.0406940 × 10^6
Prime Factorization
2 × 2 × 5 × 2623 × 389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10203470
Product of the distinct prime numbers
The prime factorization of 20406940 is 2 × 2 × 5 × 2623 × 389.
Since it has a total of 5 prime factors.
10 , 9 , 68 , 77 , 184 , 121 , 8955 , 9024 , 48229 , 17273 , 695256 , 778555 , 8069552 , 4908123 , 85832990 , 41850907 , 956367895 , 153080194 , 3298518577 , 6913613434
n×2
40813880
n×3
61220820
n×4
81627760
n×5
102034700
n÷2
10203470
n÷3
6802313.3333333
n÷3
5101735
n÷5
4081388
n2
416443200163600
n3
8.4983313991466E+21
n4
1.734249389625E+29
n5
3.5390723239114E+36
2 √n
4517.4041218381
3 √n
273.27042309196
4 √n
67.211636803742
5 √n
28.970472435795
1 , 2 , 4 , 5 , 10 , 20 , 389 , 778 , 1556 , 1945 , 2623 , 3890 , 5246 , 7780 , 10492 , 13115 , 26230 , 52460 , 1020347 , 2040694 , 4081388 , 5101735 , 10203470 , 20406940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20406939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20406940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20406940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110001010011100
3
Ternary
1102101210001121
4
Quaternary
1031312022130
5
Quinary
20211010230
6
Senary
2005220324
8
Octal
115661234
10
Decimal
20406940
12
Duodecimal
6a016a4
16
Hexadecimal
137629c
20
Vigesimal
67ah70
36
Base36
c5e3g
md5
46805db77e51422da202a72ec05b7978
sha1
e177fedca2a20cf0df12751cf69c367a1722a414
sha256
bfe69ecc23cb87ec99c9f062c1ba883bdd99a2917ffc72c82a04adb338c01d6f
sha512
c2f2cd214a3e6a3b1d0689c66d4ae01ca87ce67aa0202dfbb81c207c488cb382ba7e1977540703f89b1494933ad73837c35bde84a10544f8f3a671bab9d140d6
ripemd-160
627215ca2bcac4cb56c17ec2259af4e68b98ccdd
Diameter
40813880
Circumference
128220585.5725
Area
1.3082948982714E+15
Volume
3.5597727321774E+22
Surface area
5.2331795930856E+15
Circumference
128220585.5725
Perimeter
81627760
Area
416443200163600
Diagonal
28859771.314534
Surface area
2498659200981600
Volume
8.4983313991466E+21
Space diagonal
35345856.90701
Perimeter
61220820
Area
1.8032519528748E+14
Altitude
17672928.453505
Surface area
1.8032519528748E+14
Volume
1.0015379601845E+21
Height
9619923.7715113