18046989 is an odd 8-digits composite number following 18046988
and preceding 18046990 . In scientific notation, it is written as 1.8046989 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 12031308 positive integers (up to 18046989) that are relatively prime to 18046989.
18046989 has 8 divisors, whose sum is 26736320
The reverse of 18046989 is 98964081
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million forty-six thousand nine hundred eighty-nine
Scientific notation
1.8046989 × 10^7
Engineering notation
1.8046989 × 10^6
Prime Factorization
9 × 3 × 668407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18046989
Product of the distinct prime numbers
The prime factorization of 18046989 is 9 × 3 × 668407.
Since it has a total of 3 prime factors.
5 , 10 , 26 , 23 , 793 , 18 , 9808 , 802 , 52087 , 72570 , 426845 , 797591 , 1316222 , 9209255 , 27215862 , 40116513 , 149755599 , 284286889 , 9505694976 , 1608892612
n×2
36093978
n×3
54140967
n×4
72187956
n×5
90234945
n÷2
9023494.5
n÷3
6015663
n÷3
4511747.25
n÷5
3609397.8
n2
325693811966121
n3
5.8777926419207E+21
n4
1.0607645915302E+29
n5
1.9143606914936E+36
2 √n
4248.1747845398
3 √n
262.30198944858
4 √n
65.178023785167
5 √n
28.267080175832
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
-18046988
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 18046989 can be divided by 8 positive divisors.
The sum of these divisors (counting 18046989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100110110000000001101
3
Ternary
1020221212211000
4
Quaternary
1010312000031
5
Quinary
14110000424
6
Senary
1442450513
8
Octal
104660015
10
Decimal
18046989
12
Duodecimal
6063a39
16
Hexadecimal
113600d
20
Vigesimal
5cfh99
36
Base36
aqt59
md5
5d8711c84c6e93bf4316056b0b72bf55
sha1
0c0dadfcf066f37513302941b86c421a6becce18
sha256
978f99ea83f1a25f85a2c727411b35d008cb0853456b061ee5ac44d83136a9bc
sha512
2c268cd989f04ed1bdb58a2968940fd2af040f9c4a50ce760c310cf74feb9ab934908b7a9f976f20463b861cb0b4c2d7cd9557dd6bac87ed38fd546c5cb7ae6a
ripemd-160
d18ba33a37937e6328e05d327c81a91f5ccf0508
Diameter
36093978
Circumference
113392576.12363
Area
1.0231972869924E+15
Volume
2.4620840244243E+22
Surface area
4.0927891479697E+15
Circumference
113392576.12363
Perimeter
72187956
Area
325693811966121
Diagonal
25522296.603798
Surface area
1954162871796726
Volume
5.8777926419207E+21
Space diagonal
31258301.871637
Perimeter
54140967
Area
1.4102955750903E+14
Altitude
15629150.935818
Surface area
1.4102955750903E+14
Volume
6.9270450591841E+20
Height
8507432.201266