18051390 is an even 8-digits composite number following 18051389
and preceding 18051391 . In scientific notation, it is written as 1.8051390 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 4125600 positive integers (up to 18051390) that are relatively prime to 18051390.
18051390 has 32 divisors, whose sum is 40347648
The reverse of 18051390 is 09315081
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million fifty-one thousand three hundred ninety
Scientific notation
1.8051390 × 10^7
Engineering notation
1.8051390 × 10^6
Prime Factorization
2 × 21 × 15 × 3 × 9551
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18051390
Product of the distinct prime numbers
The prime factorization of 18051390 is 2 × 21 × 15 × 3 × 9551.
Since it has a total of 5 prime factors.
8 , 3 , 97 , 37 , 308 , 804 , 4792 , 5490 , 57467 , 11359 , 54418 , 955590 , 3421915 , 9014751 , 17727707 , 75237634 , 604941873 , 764585957 , 6425167562 , 9139171037
n×2
36102780
n×3
54154170
n×4
72205560
n×5
90256950
n÷2
9025695
n÷3
6017130
n÷3
4512847.5
n÷5
3610278
n2
325852680932100
n3
5.8820938260509E+21
n4
1.0617996967064E+29
n5
1.9166960427128E+36
2 √n
4248.6927401261
3 √n
262.32330966678
4 √n
65.181997055369
5 √n
28.268458702595
1 , 2 , 3 , 6 , 15 , 21 , 30 , 42 , 45 , 63 , 90 , 126 , 315 , 630 , 945 , 1890 , 9551 , 19102 , 28653 , 57306 , 143265 , 200571 , 286530 , 401142 , 429795 , 601713 , 859590 , 1203426 , 3008565 , 6017130 , 9025695 , 18051390
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18051389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18051390 can be divided by 32 positive divisors.
The sum of these divisors (counting 18051390) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000100110111000100111110
3
Ternary
1020222002212000
4
Quaternary
1010313010332
5
Quinary
14110121030
6
Senary
1442523130
8
Octal
104670476
10
Decimal
18051390
12
Duodecimal
60664a6
16
Hexadecimal
113713e
20
Vigesimal
5cg89a
36
Base36
aqwji
md5
6c90944ec4cad6e3e1c7d52ccb7135ad
sha1
07c0cc26cc03844b5d7c96fb47a6717ebcc4cc08
sha256
a3a9f5040b56bfdc94e20ba2053f0555ec7b2a787818e363e7e72f044846d9d9
sha512
46ff1e0caee361df72411482a28b1169be67f7cfd01a770343ca7c4ad31e44f9ec00f8fb9ace5febaa7af2b0b57381913f2ac6978a095ec7653520e734fa027b
ripemd-160
aa1dac383cbb677e2a5c8cd6ec21f87afcd2114e
Diameter
36102780
Circumference
113420228.42217
Area
1.0236963885688E+15
Volume
2.4638857002197E+22
Surface area
4.0947855542753E+15
Circumference
113420228.42217
Perimeter
72205560
Area
325852680932100
Diagonal
25528520.557686
Surface area
1955116085592600
Volume
5.8820938260509E+21
Space diagonal
31265924.627241
Perimeter
54154170
Area
1.4109834978923E+14
Altitude
15632962.31362
Surface area
1.4109834978923E+14
Volume
6.9321140532935E+20
Height
8509506.852562