18217668 is an even 8-digits composite number following 18217667
and preceding 18217669 . In scientific notation, it is written as 1.8217668 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 5205024 positive integers (up to 18217668) that are relatively prime to 18217668.
18217668 has 12 divisors, whose sum is 33399212
The reverse of 18217668 is 86671281
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million two hundred seventeen thousand six hundred sixty-eight
Scientific notation
1.8217668 × 10^7
Engineering notation
1.8217668 × 10^6
Prime Factorization
2 × 2 × 21 × 216877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9108834
Product of the distinct prime numbers
The prime factorization of 18217668 is 2 × 2 × 21 × 216877.
Since it has a total of 4 prime factors.
1 , 2 , 29 , 29 , 12 , 84 , 3914 , 8427 , 87291 , 81943 , 317982 , 571683 , 2718570 , 320032 , 22358221 , 65723323 , 843702573 , 761504293 , 8361951228 , 9588818193
n×2
36435336
n×3
54653004
n×4
72870672
n×5
91088340
n÷2
9108834
n÷3
6072556
n÷3
4554417
n÷5
3643533.6
n2
331883427358224
n3
6.0461420943142E+21
n4
1.1014660935504E+29
n5
2.0066143605558E+36
2 √n
4268.216020775
3 √n
263.12630133844
4 √n
65.331585169617
5 √n
28.320346107963
1 , 2 , 4 , 21 , 42 , 84 , 216877 , 433754 , 867508 , 4554417 , 9108834 , 18217668
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18217667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18217668 can be divided by 12 positive divisors.
The sum of these divisors (counting 18217668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101011111101011000100
3
Ternary
1021021112221110
4
Quaternary
1011133223010
5
Quinary
14130431133
6
Senary
1450245020
8
Octal
105375304
10
Decimal
18217668
12
Duodecimal
6126770
16
Hexadecimal
115fac4
20
Vigesimal
5dh438
36
Base36
auguc
md5
e231ff63e5fa935639b6a14edb30c332
sha1
544c85102209e749ca03c1f732a847e7d1964456
sha256
42e3eec2c9595893125624fb260cabb4cb89360d30d7fdcf9dcb4dbfb54ac395
sha512
75a535bbbb674fefcbd71c0775763c05491dfc481fb5060f22297c49635d18b5c46fc2fe681e188b27566157cb5f1a382844e0f264b329a482f4b6fca7441df2
ripemd-160
b723143684b65ddb6768c750ecfc0ad2f0caffa1
Diameter
36435336
Circumference
114464983.90868
Area
1.0426425372368E+15
Volume
2.532602078141E+22
Surface area
4.1705701489472E+15
Circumference
114464983.90868
Perimeter
72870672
Area
331883427358224
Diagonal
25763673.16041
Surface area
1991300564149344
Volume
6.0461420943142E+21
Space diagonal
31553926.571422
Perimeter
54653004
Area
1.4370973959363E+14
Altitude
15776963.285711
Surface area
1.4370973959363E+14
Volume
7.1254467915117E+20
Height
8587891.0534701