18990544 is an even 8-digits composite number following 18990543
and preceding 18990545 . In scientific notation, it is written as 1.8990544 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 9263360 positive integers (up to 18990544) that are relatively prime to 18990544.
18990544 has 20 divisors, whose sum is 37692900
The reverse of 18990544 is 44509981
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred ninety thousand five hundred forty-four
Scientific notation
1.8990544 × 10^7
Engineering notation
1.8990544 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 41 × 28949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2373818
Product of the distinct prime numbers
The prime factorization of 18990544 is 2 × 2 × 2 × 2 × 41 × 28949.
Since it has a total of 6 prime factors.
8 , 10 , 34 , 74 , 170 , 817 , 2448 , 6119 , 56957 , 80135 , 680929 , 854760 , 5583458 , 4188076 , 14942902 , 31440371 , 974257822 , 703761909 , 7707229362 , 980691716
n×2
37981088
n×3
56971632
n×4
75962176
n×5
94952720
n÷2
9495272
n÷3
6330181.3333333
n÷3
4747636
n÷5
3798108.8
n2
360640761415936
n3
6.8487642478628E+21
n4
1.3006175879467E+29
n5
2.4699435531075E+36
2 √n
4357.8141309606
3 √n
266.79589014751
4 √n
66.013741985746
5 √n
28.556664624837
1 , 2 , 4 , 8 , 16 , 41 , 82 , 164 , 328 , 656 , 28949 , 57898 , 115796 , 231592 , 463184 , 1186909 , 2373818 , 4747636 , 9495272 , 18990544
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18990543
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18990544 can be divided by 20 positive divisors.
The sum of these divisors (counting 18990544) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001000011100010111010000
3
Ternary
1022201211010111
4
Quaternary
1020130113100
5
Quinary
14330144134
6
Senary
1515011104
8
Octal
110342720
10
Decimal
18990544
12
Duodecimal
6439a94
16
Hexadecimal
121c5d0
20
Vigesimal
5idg74
36
Base36
bb174
md5
28103ed3fdfedd69e5ca6d95b3e65745
sha1
635f58b564710cb8b4be93450a1d1f22f303ea6d
sha256
6632b1464f7b6149712cdd72faa2360cf9ac6267a51aefb072ecf65bc8a2aabd
sha512
723efbc9916fabf3a361f4db9c7a624fda2c8b2c0559365b2ddf35474c2646616382a0649e80f013549da63bfe196144dcf4726cb1f27641b881fd32ebd48981
ripemd-160
49547ccb2f6f8bc4c87094a9eef43ea07d45e607
Diameter
37981088
Circumference
119321107.03615
Area
1.1329863666493E+15
Volume
2.8688036596339E+22
Surface area
4.5319454665973E+15
Circumference
119321107.03615
Perimeter
75962176
Area
360640761415936
Diagonal
26856684.881643
Surface area
2163844568495616
Volume
6.8487642478628E+21
Space diagonal
32892587.071372
Perimeter
56971632
Area
1.5616203051318E+14
Altitude
16446293.535686
Surface area
1.5616203051318E+14
Volume
8.0713460706863E+20
Height
8952228.293881