18878240 (number)

18878240 is an even 8-digits composite number following 18878239 and preceding 18878241. In scientific notation, it is written as 1.8878240 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 7551232 positive integers (up to 18878240) that are relatively prime to 18878240.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy-eight thousand two hundred forty

Notation

Scientific notation 1.8878240 × 10^7
Engineering notation 1.8878240 × 10^6

Prime Factorization of 18878240

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 117989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1179890
Product of the distinct prime numbers

The prime factorization of 18878240 is 2 × 2 × 2 × 2 × 2 × 5 × 117989. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 6, 11, 85, 975, 755, 2848, 9195, 10612, 68671, 684443, 345821, 4975009, 5868729, 87348713, 53271357, 300639061, 358698590, 1981289131, 2188274164

Basic calculations (n = 18878240)

Multiplication

n×y
n×2 37756480
n×3 56634720
n×4 75512960
n×5 94391200

Division

n÷y
n÷2 9439120
n÷3 6292746.6666667
n÷3 4719560
n÷5 3775648

Exponentiation

ny
n2 356387945497600
n3 6.7279771682106E+21
n4 1.27012367696E+29
n5 2.3977699603333E+36

Nth Root

y√n
2√n 4344.909665344
3√n 266.26893485798
4√n 65.91592876797
5√n 28.522809451154

Divisors of 18878240

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117989, 235978, 471956, 589945, 943912, 1179890, 1887824, 2359780, 3775648, 4719560, 9439120, 18878240

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18878239
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18878240 can be divided by 24 positive divisors. The sum of these divisors (counting 18878240) is 1, the average is 0.041666666666667.

Base conversion 18878240

Base System Value
2 Binary 1001000000000111100100000
3 Ternary 1022112010002002
4 Quaternary 1020000330200
5 Quinary 14313100430
6 Senary 1512343132
8 Octal 110007440
10 Decimal 18878240
12 Duodecimal 63a4aa8
16 Hexadecimal 1200f20
20 Vigesimal 5hjfc0
36 Base36 b8mjk

Cryptographic Hash Functions

md5 c861af697e78493098d73b34690706c1
sha1 e8a7c9d8ba173c2962f320fb4bb0b96e43eb96d3
sha256 c36ce82674b4080480fce865c30fd4776980deb9766d6f343ad4dc47cfc1a52a
sha512 da680933f6b645697304c4461431df5e6c39ecb307196d941d15d8524bcbf7607f3285aff89877ba9fd3d813bbe51789f1a9729da8c614c7b63a7edf211fde3d
ripemd-160 573945cd95f8caf43124d665388bdc129bbc100f

18878240 as geometric shapes

Circle

Radius = n
Diameter 37756480
Circumference 118615480.19341
Area 1.1196257514032E+15

Sphere

Radius = n
Volume 2.8182084860227E+22
Surface area 4.4785030056129E+15
Circumference 118615480.19341

Square

Length = n
Perimeter 75512960
Area 356387945497600
Diagonal 26697863.041734

Cube

Length = n
Surface area 2138327672985600
Volume 6.7279771682106E+21
Space diagonal 32698070.837479

Equilateral Triangle

Length = n
Perimeter 56634720
Area 1.5432050720173E+14
Altitude 16349035.41874

Triangular Pyramid

Length = n
Surface area 1.5432050720173E+14
Volume 7.9289971321833E+20
Height 8899287.6805781