18442942 is an even 8-digits composite number following 18442941
and preceding 18442943 . In scientific notation, it is written as 1.8442942 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 7885080 positive integers (up to 18442942) that are relatively prime to 18442942.
18442942 has 16 divisors, whose sum is 31692672
The reverse of 18442942 is 24924481
Previous prime number is 491
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million four hundred forty-two thousand nine hundred forty-two
Scientific notation
1.8442942 × 10^7
Engineering notation
1.8442942 × 10^6
Prime Factorization
2 × 7 × 491 × 2683
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18442942
Product of the distinct prime numbers
The prime factorization of 18442942 is 2 × 7 × 491 × 2683.
Since it has a total of 4 prime factors.
7 , 5 , 99 , 6 , 71 , 901 , 1205 , 2158 , 38237 , 19545 , 953744 , 883251 , 7450848 , 4446584 , 58821090 , 26445425 , 8430131 , 120247222 , 1274845676 , 6118640683
n×2
36885884
n×3
55328826
n×4
73771768
n×5
92214710
n÷2
9221471
n÷3
6147647.3333333
n÷3
4610735.5
n÷5
3688588.4
n2
340142109615364
n3
6.2732211993938E+21
n4
1.1569665473359E+29
n5
2.1337866928456E+36
2 √n
4294.524653556
3 √n
264.20644053216
4 √n
65.532622819142
5 √n
28.390042331855
1 , 2 , 7 , 14 , 491 , 982 , 2683 , 3437 , 5366 , 6874 , 18781 , 37562 , 1317353 , 2634706 , 9221471 , 18442942
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18442941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18442942 can be divided by 16 positive divisors.
The sum of these divisors (counting 18442942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110010110101010111110
3
Ternary
1021200222221221
4
Quaternary
1012112222332
5
Quinary
14210133232
6
Senary
1455143554
8
Octal
106265276
10
Decimal
18442942
12
Duodecimal
6214bba
16
Hexadecimal
1196abe
20
Vigesimal
5f5772
36
Base36
azany
md5
4acdc45f85b420fb3b5faec532361f99
sha1
57a9bb84be68512626517bd928ed9a005f55aeb7
sha256
7c69cd4b52479989c7e86646a8d50373def633dbbe3d12b6da86ef5b55756522
sha512
89e9321e004cddad89a4332ea4ef6dba56263e8910b3d0abf2066de16178226753bc5b0a480873cfdc461f7027297efee6ef7c96be2a6d1a884f8e93a218694c
ripemd-160
af1c24935642c06c27c5fd94cad7d0abce1e9336
Diameter
36885884
Circumference
115880422.19557
Area
1.0685879527442E+15
Volume
2.6277207512479E+22
Surface area
4.2743518109766E+15
Circumference
115880422.19557
Perimeter
73771768
Area
340142109615364
Diagonal
26082258.70646
Surface area
2040852657692184
Volume
6.2732211993938E+21
Space diagonal
31944112.585046
Perimeter
55328826
Area
1.4728585391187E+14
Altitude
15972056.292523
Surface area
1.4728585391187E+14
Volume
7.3930620832909E+20
Height
8694086.2354868