18668742 is an even 8-digits composite number following 18668741
and preceding 18668743 . In scientific notation, it is written as 1.8668742 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 6222912 positive integers (up to 18668742) that are relatively prime to 18668742.
18668742 has 8 divisors, whose sum is 37337496
The reverse of 18668742 is 24786681
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million six hundred sixty-eight thousand seven hundred forty-two
Scientific notation
1.8668742 × 10^7
Engineering notation
1.8668742 × 10^6
Prime Factorization
2 × 3 × 3111457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18668742
Product of the distinct prime numbers
The prime factorization of 18668742 is 2 × 3 × 3111457.
Since it has a total of 3 prime factors.
3 , 9 , 67 , 39 , 360 , 398 , 5353 , 8791 , 58472 , 98670 , 296961 , 684358 , 5061559 , 3122168 , 91209514 , 19052296 , 48220163 , 369880731 , 3708840399 , 3010631997
n×2
37337484
n×3
56006226
n×4
74674968
n×5
93343710
n÷2
9334371
n÷3
6222914
n÷3
4667185.5
n÷5
3733748.4
n2
348521927862564
n3
6.5064659526088E+21
n4
1.2146753420104E+29
n5
2.2676460573754E+36
2 √n
4320.7339654276
3 √n
265.28031095981
4 √n
65.732290127666
5 √n
28.459221169256
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
-18668741
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 18668742 can be divided by 8 positive divisors.
The sum of these divisors (counting 18668742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111001101110011000110
3
Ternary
1022010110200220
4
Quaternary
1013031303012
5
Quinary
14234344432
6
Senary
1504045210
8
Octal
107156306
10
Decimal
18668742
12
Duodecimal
6303806
16
Hexadecimal
11cdcc6
20
Vigesimal
5gdbh2
36
Base36
b44w6
md5
d797f937ec3bfb8ffa2ae7bde01c6e56
sha1
d544623bcff4c34ee61002515ade6859ad998266
sha256
4de6eed5029905051a28ff870c13df2a69f6e6be57618df4b1d383523c1c9f79
sha512
997f519eca9d58badddba89f10a5d12106b5abcc5967588fcaebe3089d38234f5a07dac96901be8355d9dd86945bad50bf3bedff95d4c9dac760c820ce2cade5
ripemd-160
d496b5d2f6c5b67efe5a24ae0cf327463db27339
Diameter
37337484
Circumference
117299165.43793
Area
1.094913928188E+15
Volume
2.7254220850064E+22
Surface area
4.3796557127519E+15
Circumference
117299165.43793
Perimeter
74674968
Area
348521927862564
Diagonal
26401588.128844
Surface area
2091131567175384
Volume
6.5064659526088E+21
Space diagonal
32335209.657395
Perimeter
56006226
Area
1.5091442165245E+14
Altitude
16167604.828698
Surface area
1.5091442165245E+14
Volume
7.6679436610818E+20
Height
8800529.3762814