18668742 (number)

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.

Interesting facts

Basic properties

Name

Name eighteen million six hundred sixty-eight thousand seven hundred forty-two

Notation

Scientific notation 1.8668742 × 10^7
Engineering notation 1.8668742 × 10^6

Prime Factorization of 18668742

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.

Most popular turbo-numbers

Basic calculations (n = 18668742)

Multiplication

n×y
n×2 37337484
n×3 56006226
n×4 74674968
n×5 93343710

Division

n÷y
n÷2 9334371
n÷3 6222914
n÷3 4667185.5
n÷5 3733748.4

Exponentiation

ny
n2 348521927862564
n3 6.5064659526088E+21
n4 1.2146753420104E+29
n5 2.2676460573754E+36

Nth Root

y√n
2√n 4320.7339654276
3√n 265.28031095981
4√n 65.732290127666
5√n 28.459221169256

Divisors of 18668742

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 conversion 18668742

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

Cryptographic Hash Functions

md5 d797f937ec3bfb8ffa2ae7bde01c6e56
sha1 d544623bcff4c34ee61002515ade6859ad998266
sha256 4de6eed5029905051a28ff870c13df2a69f6e6be57618df4b1d383523c1c9f79
sha512 997f519eca9d58badddba89f10a5d12106b5abcc5967588fcaebe3089d38234f5a07dac96901be8355d9dd86945bad50bf3bedff95d4c9dac760c820ce2cade5
ripemd-160 d496b5d2f6c5b67efe5a24ae0cf327463db27339

18668742 as geometric shapes

Circle

Radius = n
Diameter 37337484
Circumference 117299165.43793
Area 1.094913928188E+15

Sphere

Radius = n
Volume 2.7254220850064E+22
Surface area 4.3796557127519E+15
Circumference 117299165.43793

Square

Length = n
Perimeter 74674968
Area 348521927862564
Diagonal 26401588.128844

Cube

Length = n
Surface area 2091131567175384
Volume 6.5064659526088E+21
Space diagonal 32335209.657395

Equilateral Triangle

Length = n
Perimeter 56006226
Area 1.5091442165245E+14
Altitude 16167604.828698

Triangular Pyramid

Length = n
Surface area 1.5091442165245E+14
Volume 7.6679436610818E+20
Height 8800529.3762814