18449820 is an even 8-digits composite number following 18449819
and preceding 18449821 . In scientific notation, it is written as 1.8449820 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 4919904 positive integers (up to 18449820) that are relatively prime to 18449820.
18449820 has 12 divisors, whose sum is 33005000
The reverse of 18449820 is 02894481
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million four hundred forty-nine thousand eight hundred twenty
Scientific notation
1.8449820 × 10^7
Engineering notation
1.8449820 × 10^6
Prime Factorization
2 × 2 × 45 × 102499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9224910
Product of the distinct prime numbers
The prime factorization of 18449820 is 2 × 2 × 45 × 102499.
Since it has a total of 4 prime factors.
2 , 2 , 95 , 99 , 783 , 600 , 6847 , 1091 , 97200 , 82990 , 473329 , 285995 , 5365326 , 2292204 , 62922639 , 67387002 , 323205049 , 241375825 , 2485994168 , 4565013278
n×2
36899640
n×3
55349460
n×4
73799280
n×5
92249100
n÷2
9224910
n÷3
6149940
n÷3
4612455
n÷5
3689964
n2
340395858032400
n3
6.2802423094433E+21
n4
1.1586934016561E+29
n5
2.1377684695743E+36
2 √n
4295.3253660229
3 √n
264.23928030441
4 √n
65.538731800539
5 √n
28.392159538416
1 , 2 , 4 , 45 , 90 , 180 , 102499 , 204998 , 409996 , 4612455 , 9224910 , 18449820
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
-18449819
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 18449820 can be divided by 12 positive divisors.
The sum of these divisors (counting 18449820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110011000010110011100
3
Ternary
1021201100101200
4
Quaternary
1012120112130
5
Quinary
14210343240
6
Senary
1455235500
8
Octal
106302634
10
Decimal
18449820
12
Duodecimal
6218b90
16
Hexadecimal
119859c
20
Vigesimal
5f64b0
36
Base36
azfz0
md5
2f65d1f8c6f822953c91891de75e5e50
sha1
d51fb85c2bc017ce2ee89ccae414868ce221be29
sha256
02969f07d3b7765f4b0e28709fd573fc20cb165c05f0d76bddb8edf99176eb1d
sha512
66d8df6a55017e5ff48cab29a04ca0e2aa2e66c9ea2c0b096f356e527b9e6b2d7e5638f2d692e09e62462e26672ea17d3e43c7b54e10e81959296f5e4b5f844d
ripemd-160
36fc388d780f24cf6aab91c7e6556927b132190a
Diameter
36899640
Circumference
115923637.94411
Area
1.069385126907E+15
Volume
2.6306617469481E+22
Surface area
4.2775405076279E+15
Circumference
115923637.94411
Perimeter
73799280
Area
340395858032400
Diagonal
26091985.667342
Surface area
2042375148194400
Volume
6.2802423094433E+21
Space diagonal
31956025.6305
Perimeter
55349460
Area
1.4739573019953E+14
Altitude
15978012.81525
Surface area
1.4739573019953E+14
Volume
7.4013365408367E+20
Height
8697328.5557808