20045642 is an even 8-digits composite number following 20045641
and preceding 20045643 . In scientific notation, it is written as 2.0045642 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 10022820 positive integers (up to 20045642) that are relatively prime to 20045642.
20045642 has 4 divisors, whose sum is 30068466
The reverse of 20045642 is 24654002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million forty-five thousand six hundred forty-two
Scientific notation
2.0045642 × 10^7
Engineering notation
2.0045642 × 10^6
Prime Factorization
2 × 10022821
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20045642
Product of the distinct prime numbers
The prime factorization of 20045642 is 2 × 10022821.
Since it has a total of 2 prime factors.
5 , 3 , 47 , 86 , 902 , 3 , 712 , 1313 , 76074 , 12799 , 812117 , 372062 , 8054304 , 30070 , 28624719 , 50040822 , 677098488 , 795446377 , 9770309783 , 719412490
n×2
40091284
n×3
60136926
n×4
80182568
n×5
100228210
n÷2
10022821
n÷3
6681880.6666667
n÷3
5011410.5
n÷5
4009128.4
n2
401827763192164
n3
8.0548954866109E+21
n4
1.6146555127202E+29
n5
3.2366806361315E+36
2 √n
4477.2359776987
3 √n
271.64809053272
4 √n
66.912151196167
5 √n
28.867155654715
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
-20045641
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 20045642 can be divided by 4 positive divisors.
The sum of these divisors (counting 20045642) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011101111101001010
3
Ternary
1101201102110012
4
Quaternary
1030131331022
5
Quinary
20112430032
6
Senary
1553351522
8
Octal
114357512
10
Decimal
20045642
12
Duodecimal
68685a2
16
Hexadecimal
131df4a
20
Vigesimal
655e22
36
Base36
bxnbe
md5
7190d11c3fb675eeb5be6c7a23ee7773
sha1
77c12c6c72322575ffc7359dd6138274a70aad84
sha256
74d830e6c06d937955741dc5ead8c13c6ce183bc1561c1778b8efdfac34743c7
sha512
1689a9adeda43ce40f9c8d82b43f59b8cd69820981e15b795a2cf267b86e77edb3527b65e9ec5629c71b4382c55efa670219d0644b0c849f302890696ad010cf
ripemd-160
2791e6e4db9795ed946af340029ba2969698a152
Diameter
40091284
Circumference
125950483.28738
Area
1.2623791488529E+15
Volume
3.3740267314894E+22
Surface area
5.0495165954117E+15
Circumference
125950483.28738
Perimeter
80182568
Area
401827763192164
Diagonal
28348818.782876
Surface area
2410966579152984
Volume
8.0548954866109E+21
Space diagonal
34720070.414337
Perimeter
60136926
Area
1.7399652543515E+14
Altitude
17360035.207168
Surface area
1.7399652543515E+14
Volume
9.4927853672191E+20
Height
9449606.2609586