18885940 (number)

18885940 is an even 8-digits composite number following 18885939 and preceding 18885941. In scientific notation, it is written as 1.8885940 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 7554368 positive integers (up to 18885940) that are relatively prime to 18885940.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-five thousand nine hundred forty

Notation

Scientific notation 1.8885940 × 10^7
Engineering notation 1.8885940 × 10^6

Prime Factorization of 18885940

Prime Factorization 2 × 2 × 5 × 944297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9442970
Product of the distinct prime numbers

The prime factorization of 18885940 is 2 × 2 × 5 × 944297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 81, 30, 496, 523, 7828, 848, 25632, 10583, 617753, 959303, 5284540, 1937761, 31377481, 24196530, 656738162, 686769257, 9748870215, 2329604812

Basic calculations (n = 18885940)

Multiplication

n×y
n×2 37771880
n×3 56657820
n×4 75543760
n×5 94429700

Division

n÷y
n÷2 9442970
n÷3 6295313.3333333
n÷3 4721485
n÷5 3777188

Exponentiation

ny
n2 356678729683600
n3 6.7362130880807E+21
n4 1.2721971620871E+29
n5 2.4026639271347E+36

Nth Root

y√n
2√n 4345.7956693798
3√n 266.30513159576
4√n 65.92264913806
5√n 28.525135831256

Divisors of 18885940

1, 2, 4, 5, 10, 20, 944297, 1888594, 3777188, 4721485, 9442970, 18885940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18885939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18885940 can be divided by 12 positive divisors. The sum of these divisors (counting 18885940) is 1, the average is 0.083333333333333.

Base conversion 18885940

Base System Value
2 Binary 1001000000010110100110100
3 Ternary 1022112111122021
4 Quaternary 1020002310310
5 Quinary 14313322230
6 Senary 1512442524
8 Octal 110026464
10 Decimal 18885940
12 Duodecimal 63a9444
16 Hexadecimal 1202d34
20 Vigesimal 5i0eh0
36 Base36 b8shg

Cryptographic Hash Functions

md5 6dfb582235b569a84a0eec029a92138a
sha1 a6d4962b7ccc02370f35d8e550eaabe08e8b63c7
sha256 da5c18f5713126af7b1f7cb8e715e1b97c1a4025d312ede36601c20746ff6f4b
sha512 f88e71ff7a94f9433253860a155bb9228f7576b7c795dbbc0b7e2e34d0cc4da0d4644a2f679243eb354755aa8b38be246479f3fab5f08e77fd6daaca3440544b
ripemd-160 8e865398992f1ee231741430392b2eae14eb3462

18885940 as geometric shapes

Circle

Radius = n
Diameter 37771880
Circumference 118663860.72028
Area 1.1205392768657E+15

Sphere

Radius = n
Volume 2.8216583400706E+22
Surface area 4.4821571074629E+15
Circumference 118663860.72028

Square

Length = n
Perimeter 75543760
Area 356678729683600
Diagonal 26708752.486165

Cube

Length = n
Surface area 2140072378101600
Volume 6.7362130880807E+21
Space diagonal 32711407.628697

Equilateral Triangle

Length = n
Perimeter 56657820
Area 1.5444642044778E+14
Altitude 16355703.814349

Triangular Pyramid

Length = n
Surface area 1.5444642044778E+14
Volume 7.9387032568324E+20
Height 8902917.4953882