18668897 (number)

18668897 is an odd 8-digits composite number following 18668896 and preceding 18668898. In scientific notation, it is written as 1.8668897 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 17232816 positive integers (up to 18668897) that are relatively prime to 18668897.

Interesting facts

Basic properties

Name

Name eighteen million six hundred sixty-eight thousand eight hundred ninety-seven

Notation

Scientific notation 1.8668897 × 10^7
Engineering notation 1.8668897 × 10^6

Prime Factorization of 18668897

Prime Factorization 13 × 1436069

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18668897
Product of the distinct prime numbers

The prime factorization of 18668897 is 13 × 1436069. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18668897)

Multiplication

n×y
n×2 37337794
n×3 56006691
n×4 74675588
n×5 93344485

Division

n÷y
n÷2 9334448.5
n÷3 6222965.6666667
n÷3 4667224.25
n÷5 3733779.4

Exponentiation

ny
n2 348527715196609
n3 6.5066280166508E+21
n4 1.2147156826017E+29
n5 2.2677401962776E+36

Nth Root

y√n
2√n 4320.7519021578
3√n 265.28104513416
4√n 65.732426565264
5√n 28.45926842648

Divisors of 18668897

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18668896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18668897 can be divided by 4 positive divisors. The sum of these divisors (counting 18668897) is 1, the average is 0.25.

Base conversion 18668897

Base System Value
2 Binary 1000111001101110101100001
3 Ternary 1022010110220122
4 Quaternary 1013031311201
5 Quinary 14234401042
6 Senary 1504050025
8 Octal 107156541
10 Decimal 18668897
12 Duodecimal 6303915
16 Hexadecimal 11cdd61
20 Vigesimal 5gdc4h
36 Base36 b450h

Cryptographic Hash Functions

md5 1ef1817faa53796602a5df43d7e96c18
sha1 f280f6057dc2136c5cfa41a0dc89b0d4afda380f
sha256 1aefbf202b9f9ea567aef94ad62d5a7f8ee76111cdae0bd55ca329716844efd3
sha512 9fa1984ee0dd74ff7d0afccdadad1adaf958d96e2c379d7a62872745f87b458ddb68291c3748141eccbfb9ec5d3e9d6c3f1232469c73b50d332531f1f643c027
ripemd-160 44d9f3bdc3cfe5272164e6c3f9f61d3477cc522a

18668897 as geometric shapes

Circle

Radius = n
Diameter 37337794
Circumference 117300139.33165
Area 1.0949321096341E+15

Sphere

Radius = n
Volume 2.7254899702336E+22
Surface area 4.3797284385364E+15
Circumference 117300139.33165

Square

Length = n
Perimeter 74675588
Area 348527715196609
Diagonal 26401807.331946

Cube

Length = n
Surface area 2091166291179654
Volume 6.5066280166508E+21
Space diagonal 32335478.12527

Equilateral Triangle

Length = n
Perimeter 56006691
Area 1.5091692764161E+14
Altitude 16167739.062635

Triangular Pyramid

Length = n
Surface area 1.5091692764161E+14
Volume 7.668134655387E+20
Height 8800602.4439821