18690640 (number)

18690640 is an even 8-digits composite number following 18690639 and preceding 18690641. In scientific notation, it is written as 1.8690640 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 40 positive divisors. There are 7426176 positive integers (up to 18690640) that are relatively prime to 18690640.

Interesting facts

Basic properties

Name

Name eighteen million six hundred ninety thousand six hundred forty

Notation

Scientific notation 1.8690640 × 10^7
Engineering notation 1.8690640 × 10^6

Prime Factorization of 18690640

Prime Factorization 2 × 2 × 2 × 2 × 5 × 167 × 1399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2336330
Product of the distinct prime numbers

The prime factorization of 18690640 is 2 × 2 × 2 × 2 × 5 × 167 × 1399. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18690640)

Multiplication

n×y
n×2 37381280
n×3 56071920
n×4 74762560
n×5 93453200

Division

n÷y
n÷2 9345320
n÷3 6230213.3333333
n÷3 4672660
n÷5 3738128

Exponentiation

ny
n2 349340023609600
n3 6.5293886188785E+21
n4 1.2203845209556E+29
n5 2.2809767742753E+36

Nth Root

y√n
2√n 4323.2672829701
3√n 265.38399297567
4√n 65.751557266502
5√n 28.465894439807

Divisors of 18690640

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18690639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18690640 can be divided by 40 positive divisors. The sum of these divisors (counting 18690640) is 1, the average is 0.025.

Base conversion 18690640

Base System Value
2 Binary 1000111010011001001010000
3 Ternary 1022011120201221
4 Quaternary 1013103021100
5 Quinary 14241100030
6 Senary 1504334424
8 Octal 107231120
10 Decimal 18690640
12 Duodecimal 6314414
16 Hexadecimal 11d3250
20 Vigesimal 5gg6c0
36 Base36 b4lsg

Cryptographic Hash Functions

md5 82c9c1fe37b00188293a6091f1df9b82
sha1 cf3a8b04f00e60fe04ac30fbbbf7487328f29d83
sha256 2daf1cdb715f280b09733d367338743c2527fcb4d807c7dc8fce959b5128fbf5
sha512 825efc96d23235d9781e95bce5bdf863bba0b0a270c9588bd1f41432a6dec1536313d3d478bb3bb868a8d2ddd3f3a75b859ba259353ecb6335ff8ae4049e8d6a
ripemd-160 f10c3f419d1d606bdff6470da5d40152cfec8d13

18690640 as geometric shapes

Circle

Radius = n
Diameter 37381280
Circumference 117436754.62978
Area 1.0974840517768E+15

Sphere

Radius = n
Volume 2.7350239090002E+22
Surface area 4.3899362071072E+15
Circumference 117436754.62978

Square

Length = n
Perimeter 74762560
Area 349340023609600
Diagonal 26432556.577433

Cube

Length = n
Surface area 2096040141657600
Volume 6.5293886188785E+21
Space diagonal 32373138.105979

Equilateral Triangle

Length = n
Perimeter 56071920
Area 1.5126866750228E+14
Altitude 16186569.05299

Triangular Pyramid

Length = n
Surface area 1.5126866750228E+14
Volume 7.6949582823521E+20
Height 8810852.1924777