18442946 is an even 8-digits composite number following 18442945
and preceding 18442947 . In scientific notation, it is written as 1.8442946 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 8972208 positive integers (up to 18442946) that are relatively prime to 18442946.
18442946 has 8 divisors, whose sum is 28412220
The reverse of 18442946 is 64924481
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million four hundred forty-two thousand nine hundred forty-six
Scientific notation
1.8442946 × 10^7
Engineering notation
1.8442946 × 10^6
Prime Factorization
2 × 37 × 249229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18442946
Product of the distinct prime numbers
The prime factorization of 18442946 is 2 × 37 × 249229.
Since it has a total of 3 prime factors.
10 , 1 , 86 , 12 , 770 , 815 , 5253 , 8046 , 60749 , 61773 , 455376 , 807757 , 7580031 , 3549056 , 56764296 , 67543309 , 504656217 , 784881633 , 1492851282 , 7094998866
n×2
36885892
n×3
55328838
n×4
73771784
n×5
92214730
n÷2
9221473
n÷3
6147648.6666667
n÷3
4610736.5
n÷5
3688589.2
n2
340142257158916
n3
6.2732252811E+21
n4
1.1569675510516E+29
n5
2.1337890067797E+36
2 √n
4294.5251192652
3 √n
264.20645963298
4 √n
65.532626372405
5 √n
28.390043563331
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18442945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18442946 can be divided by 8 positive divisors.
The sum of these divisors (counting 18442946) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110010110101011000010
3
Ternary
1021200222222002
4
Quaternary
1012112223002
5
Quinary
14210133241
6
Senary
1455144002
8
Octal
106265302
10
Decimal
18442946
12
Duodecimal
6215002
16
Hexadecimal
1196ac2
20
Vigesimal
5f5776
36
Base36
azao2
md5
2d6d9836a87c2fcf25ea66fa80023a0f
sha1
bdf9a988781ac020253488f397ab81796b57ec55
sha256
dae7fc4c7fd81031f138bffe96abf63052280df12063d19fc99d75d60a5be3f5
sha512
3b71d3c4324dba97e3b918f79510741cf26e158e75c9e753f94ba9585030478a0d221812052dd7115e0341f5f058e265192eb7701e2336744a4afbadf7990221
ripemd-160
b664f041ebc0f1d0e33363108c856bef0285660b
Diameter
36885892
Circumference
115880447.32831
Area
1.0685884162659E+15
Volume
2.627722460989E+22
Surface area
4.2743536650636E+15
Circumference
115880447.32831
Perimeter
73771784
Area
340142257158916
Diagonal
26082264.363315
Surface area
2040853542953496
Volume
6.2732252811E+21
Space diagonal
31944119.513249
Perimeter
55328838
Area
1.472859178001E+14
Altitude
15972059.756625
Surface area
1.472859178001E+14
Volume
7.3930668936278E+20
Height
8694088.1211049