18082018 is an even 8-digits composite number following 18082017
and preceding 18082019 . In scientific notation, it is written as 1.8082018 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 9030516 positive integers (up to 18082018) that are relatively prime to 18082018.
18082018 has 8 divisors, whose sum is 27154512
The reverse of 18082018 is 81028081
Previous prime number is 947
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million eighty-two thousand eighteen
Scientific notation
1.8082018 × 10^7
Engineering notation
1.8082018 × 10^6
Prime Factorization
2 × 947 × 9547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18082018
Product of the distinct prime numbers
The prime factorization of 18082018 is 2 × 947 × 9547.
Since it has a total of 3 prime factors.
2 , 10 , 51 , 52 , 847 , 491 , 6616 , 7938 , 63459 , 44453 , 304549 , 295705 , 633093 , 1121029 , 41594432 , 41141537 , 751643658 , 887076868 , 7266107501 , 7471657502
n×2
36164036
n×3
54246054
n×4
72328072
n×5
90410090
n÷2
9041009
n÷3
6027339.3333333
n÷3
4520504.5
n÷5
3616403.6
n2
326959374952324
n3
5.9120853031567E+21
n4
1.0690243286921E+29
n5
1.9330117153849E+36
2 √n
4252.2956153118
3 √n
262.47158815699
4 √n
65.209628240865
5 √n
28.278044882288
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
-18082017
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 18082018 can be divided by 8 positive divisors.
The sum of these divisors (counting 18082018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100111110100011100010
3
Ternary
1021000122212101
4
Quaternary
1010332203202
5
Quinary
14112111033
6
Senary
1443321014
8
Octal
104764342
10
Decimal
18082018
12
Duodecimal
608016a
16
Hexadecimal
113e8e2
20
Vigesimal
5d050i
36
Base36
ark6a
md5
e0b79510bea7e4fde4d335151666a382
sha1
255469c1dd970474b48358076734bba7afa95256
sha256
43c1992b921b7aea2753791ef53fb36948af92511c1385997d1ac7b60a35b943
sha512
0261ecb140ab6ff8a202d95fa1772026c00c6b61ad93b953142f9d5d2ffbf35d8be95acd655a525d125e313bb361bf0a83f2cb80a522b58f8fca2323c50e1541
ripemd-160
686471e96474b186481e8371c052edf2ed9742ed
Diameter
36164036
Circumference
113612669.82176
Area
1.0271731703725E+15
Volume
2.4764485007724E+22
Surface area
4.1086926814901E+15
Circumference
113612669.82176
Perimeter
72328072
Area
326959374952324
Diagonal
25571835.090674
Surface area
1961756249713944
Volume
5.9120853031567E+21
Space diagonal
31318973.879375
Perimeter
54246054
Area
1.415775623571E+14
Altitude
15659486.939687
Surface area
1.415775623571E+14
Volume
6.9674593480257E+20
Height
8523945.0302248