18219982 is an even 8-digits composite number following 18219981
and preceding 18219983 . In scientific notation, it is written as 1.8219982 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 8256640 positive integers (up to 18219982) that are relatively prime to 18219982.
18219982 has 16 divisors, whose sum is 29905200
The reverse of 18219982 is 28991281
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million two hundred nineteen thousand nine hundred eighty-two
Scientific notation
1.8219982 × 10^7
Engineering notation
1.8219982 × 10^6
Prime Factorization
2 × 11 × 389 × 2129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18219982
Product of the distinct prime numbers
The prime factorization of 18219982 is 2 × 11 × 389 × 2129.
Since it has a total of 4 prime factors.
8 , 2 , 66 , 70 , 692 , 332 , 402 , 5028 , 98626 , 63364 , 679579 , 782344 , 7528804 , 554165 , 53190620 , 51499168 , 77722742 , 507180441 , 7945359795 , 1765916632
n×2
36439964
n×3
54659946
n×4
72879928
n×5
91099910
n÷2
9109991
n÷3
6073327.3333333
n÷3
4554995.5
n÷5
3643996.4
n2
331967744080324
n3
6.0484463217241E+21
n4
1.1020258310978E+29
n5
2.0078890806137E+36
2 √n
4268.4870856077
3 √n
263.13744159494
4 √n
65.333659667952
5 √n
28.321065518939
1 , 2 , 11 , 22 , 389 , 778 , 2129 , 4258 , 4279 , 8558 , 23419 , 46838 , 828181 , 1656362 , 9109991 , 18219982
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
-18219981
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 18219982 can be divided by 16 positive divisors.
The sum of these divisors (counting 18219982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101100000001111001110
3
Ternary
1021021200010011
4
Quaternary
1011200033032
5
Quinary
14131014412
6
Senary
1450303434
8
Octal
105401716
10
Decimal
18219982
12
Duodecimal
6127b7a
16
Hexadecimal
11603ce
20
Vigesimal
5dh9j2
36
Base36
auimm
md5
cb44f6a4cfe7125c2a26443783151023
sha1
f21b07e39c10eacefdffd699b867aa86e86f2a3e
sha256
f8e2d46c8d22cb5c3d724b62d2d877f9d65f344084eb621e923cd7df63d4b231
sha512
a6a1baf5fa03de30cb74b989d3a0d862e7eb56e706e552787aa3226473feaa8763f58b104adaa222ca53df6a519fa5b738c1c1a1c9bac95b7488c0486fdd39bc
ripemd-160
cf4e5ddf6131d7b8036e1ce2e04ba89d968c1425
Diameter
36439964
Circumference
114479523.19948
Area
1.0429074260315E+15
Volume
2.5335672706614E+22
Surface area
4.1716297041261E+15
Circumference
114479523.19948
Perimeter
72879928
Area
331967744080324
Diagonal
25766945.650594
Surface area
1991806464481944
Volume
6.0484463217241E+21
Space diagonal
31557934.53699
Perimeter
54659946
Area
1.4374624980529E+14
Altitude
15778967.268495
Surface area
1.4374624980529E+14
Volume
7.1281623495566E+20
Height
8588981.8835312