20442940 is an even 8-digits composite number following 20442939
and preceding 20442941 . In scientific notation, it is written as 2.0442940 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 7008960 positive integers (up to 20442940) that are relatively prime to 20442940.
20442940 has 24 divisors, whose sum is 49063392
The reverse of 20442940 is 04924402
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred forty-two thousand nine hundred forty
Scientific notation
2.0442940 × 10^7
Engineering notation
2.0442940 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 146021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10221470
Product of the distinct prime numbers
The prime factorization of 20442940 is 2 × 2 × 5 × 7 × 146021.
Since it has a total of 5 prime factors.
8 , 9 , 8 , 23 , 389 , 994 , 5715 , 6889 , 17346 , 69892 , 242040 , 738931 , 3582115 , 2019785 , 78653295 , 98396107 , 540407808 , 46927191 , 7266673903 , 8127466183
n×2
40885880
n×3
61328820
n×4
81771760
n×5
102214700
n÷2
10221470
n÷3
6814313.3333333
n÷3
5110735
n÷5
4088588
n2
417913795843600
n3
8.543386653603E+21
n4
1.7465194075641E+29
n5
3.5703991457668E+36
2 √n
4521.386955349
3 √n
273.43102133221
4 √n
67.241259323045
5 √n
28.980686626117
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 146021 , 292042 , 584084 , 730105 , 1022147 , 1460210 , 2044294 , 2920420 , 4088588 , 5110735 , 10221470 , 20442940
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
-20442939
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 20442940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20442940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101111110111100111100
3
Ternary
1102110121102221
4
Quaternary
1031332330330
5
Quinary
20213133230
6
Senary
2010055124
8
Octal
115767474
10
Decimal
20442940
12
Duodecimal
6a1a4a4
16
Hexadecimal
137ef3c
20
Vigesimal
67f770
36
Base36
c65vg
md5
f324aaa589b28076f4b6ac878e3a236b
sha1
921a1ff0050908751df01fa3b8426cef55144cfb
sha256
acae546d1a1f528fdd74b254253f6cbddf87f3b00d6693c3167c88eb3b68c3a3
sha512
4e76526649c4ca7492e933fd7138512e847429763da8a0d09a1f2caeeb14c0c6c3cecb1b65651166f6861f0995b5d2ff5433e91e0924f898904d3595b26a52d1
ripemd-160
83b06512d1af59ec773cde42bc4e66ad5f4a6729
Diameter
40885880
Circumference
128446780.24355
Area
1.3129149108561E+15
Volume
3.5786454330315E+22
Surface area
5.2516596434243E+15
Circumference
128446780.24355
Perimeter
81771760
Area
417913795843600
Diagonal
28910683.002779
Surface area
2507482775061600
Volume
8.543386653603E+21
Space diagonal
35408210.736082
Perimeter
61328820
Area
1.8096198189627E+14
Altitude
17704105.368041
Surface area
1.8096198189627E+14
Volume
1.0068477728436E+21
Height
9636894.3342598