18384021 is an odd 8-digits composite number following 18384020
and preceding 18384022 . In scientific notation, it is written as 1.8384021 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11534976 positive integers (up to 18384021) that are relatively prime to 18384021.
18384021 has 8 divisors, whose sum is 21628440
The reverse of 18384021 is 12048381
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million three hundred eighty-four thousand twenty-one
Scientific notation
1.8384021 × 10^7
Engineering notation
1.8384021 × 10^6
Prime Factorization
9 × 17 × 120157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18384021
Product of the distinct prime numbers
The prime factorization of 18384021 is 9 × 17 × 120157.
Since it has a total of 3 prime factors.
4 , 4 , 50 , 70 , 725 , 814 , 2850 , 4640 , 97769 , 81776 , 18417 , 331055 , 1487815 , 3976763 , 60837967 , 99420327 , 844952322 , 228902655 , 8700100070 , 5291385048
n×2
36768042
n×3
55152063
n×4
73536084
n×5
91920105
n÷2
9192010.5
n÷3
6128007
n÷3
4596005.25
n÷5
3676804.2
n2
337972228128441
n3
6.21328853933E+21
n4
1.142252269861E+29
n5
2.0999189716423E+36
2 √n
4287.6591515651
3 √n
263.9247805676
4 √n
65.480219544265
5 √n
28.371879162028
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
-18384020
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 18384021 can be divided by 8 positive divisors.
The sum of these divisors (counting 18384021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110001000010010010101
3
Ternary
1021121000010200
4
Quaternary
1012020102111
5
Quinary
14201242041
6
Senary
1454011113
8
Octal
106102225
10
Decimal
18384021
12
Duodecimal
61a6a99
16
Hexadecimal
1188495
20
Vigesimal
5ei011
36
Base36
ay179
md5
15400a030a792e2919cc9917a152dbdd
sha1
4663bbf0fa7750916d295594690b2250522b658d
sha256
648165767e138d37d9678e80cfd8e7cd0b81cb32a13215aa32954473285d1cf5
sha512
ce889221a9fc3ea8eb7aeec7d65ef21e5552a51faa914603732a07296a7aca015ba11fa175f2a7059e6c58ff81ea36b9130260fd632013bbc61d8a749d92b006
ripemd-160
292f19f7f7bfb7f17ce9c09b61e0a3e9747e8123
Diameter
36768042
Circumference
115510210.63408
Area
1.0617710690057E+15
Volume
2.6026162173057E+22
Surface area
4.2470842760227E+15
Circumference
115510210.63408
Perimeter
73536084
Area
337972228128441
Diagonal
25998931.829152
Surface area
2027833368770646
Volume
6.21328853933E+21
Space diagonal
31842058.419413
Perimeter
55152063
Area
1.4634626766643E+14
Altitude
15921029.209707
Surface area
1.4634626766643E+14
Volume
7.3224307660482E+20
Height
8666310.6097173