20442740 is an even 8-digits composite number following 20442739
and preceding 20442741 . In scientific notation, it is written as 2.0442740 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8177088 positive integers (up to 20442740) that are relatively prime to 20442740.
20442740 has 12 divisors, whose sum is 42929796
The reverse of 20442740 is 04724402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred forty-two thousand seven hundred forty
Scientific notation
2.0442740 × 10^7
Engineering notation
2.0442740 × 10^6
Prime Factorization
2 × 2 × 5 × 1022137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10221370
Product of the distinct prime numbers
The prime factorization of 20442740 is 2 × 2 × 5 × 1022137.
Since it has a total of 4 prime factors.
10 , 1 , 71 , 88 , 438 , 710 , 8963 , 3942 , 98203 , 31958 , 259185 , 745298 , 7737780 , 7254767 , 94804482 , 44832099 , 937775465 , 40566638 , 2958187890 , 3196429670
n×2
40885480
n×3
61328220
n×4
81770960
n×5
102213700
n÷2
10221370
n÷3
6814246.6666667
n÷3
5110685
n÷5
4088548
n2
417905618707600
n3
8.5431359077786E+21
n4
1.7464510614738E+29
n5
3.5702244972433E+36
2 √n
4521.3648381877
3 √n
273.43012964079
4 √n
67.241094861607
5 √n
28.980629920379
1 , 2 , 4 , 5 , 10 , 20 , 1022137 , 2044274 , 4088548 , 5110685 , 10221370 , 20442740
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20442739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20442740 can be divided by 12 positive divisors.
The sum of these divisors (counting 20442740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101111110111001110100
3
Ternary
1102110121011112
4
Quaternary
1031332321310
5
Quinary
20213131430
6
Senary
2010054152
8
Octal
115767164
10
Decimal
20442740
12
Duodecimal
6a1a358
16
Hexadecimal
137ee74
20
Vigesimal
67f6h0
36
Base36
c65pw
md5
8cefbf1b99b01b62b0f442f18af658ca
sha1
3fe87eaa74ce8c03b89e8e34ffe932a5ee30f045
sha256
0c7ca10ed4df212dc77ddbfe619459e67355bc8dc3c9b6128902b345546fc588
sha512
ca5f043409c43b183ffbfcdef5b756c510ccde2c0257e742558fd01c7aaf6c6c738a5c02534a1160d15492c56ebd90c545d804bfc454b05d58a34de16c559b06
ripemd-160
5c9e7fb9f9fe3bd9aef0340098e3e9adbe4775bd
Diameter
40885480
Circumference
128445523.60649
Area
1.3128892216257E+15
Volume
3.5785404008662E+22
Surface area
5.2515568865028E+15
Circumference
128445523.60649
Perimeter
81770960
Area
417905618707600
Diagonal
28910400.160067
Surface area
2507433712245600
Volume
8.5431359077786E+21
Space diagonal
35407864.325921
Perimeter
61328220
Area
1.8095844109252E+14
Altitude
17703932.16296
Surface area
1.8095844109252E+14
Volume
1.0068182221648E+21
Height
9636800.0533557