18781364 (number)

18781364 is an even 8-digits composite number following 18781363 and preceding 18781365. In scientific notation, it is written as 1.8781364 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 8049144 positive integers (up to 18781364) that are relatively prime to 18781364.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred eighty-one thousand three hundred sixty-four

Notation

Scientific notation 1.8781364 × 10^7
Engineering notation 1.8781364 × 10^6

Prime Factorization of 18781364

Prime Factorization 2 × 2 × 7 × 670763

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9390682
Product of the distinct prime numbers

The prime factorization of 18781364 is 2 × 2 × 7 × 670763. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18781364)

Multiplication

n×y
n×2 37562728
n×3 56344092
n×4 75125456
n×5 93906820

Division

n÷y
n÷2 9390682
n÷3 6260454.6666667
n÷3 4695341
n÷5 3756272.8

Exponentiation

ny
n2 352739633700496
n3 6.6249314577557E+21
n4 1.2442524918316E+29
n5 2.3368758956996E+36

Nth Root

y√n
2√n 4333.7471084501
3√n 265.81268965935
4√n 65.831201633041
5√n 28.493475519129

Divisors of 18781364

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 -18781363
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 18781364 can be divided by 12 positive divisors. The sum of these divisors (counting 18781364) is 1, the average is 0.083333333333333.

Base conversion 18781364

Base System Value
2 Binary 1000111101001010010110100
3 Ternary 1022100012012002
4 Quaternary 1013221102310
5 Quinary 14302000424
6 Senary 1510314432
8 Octal 107512264
10 Decimal 18781364
12 Duodecimal 6358a18
16 Hexadecimal 11e94b4
20 Vigesimal 5h7d84
36 Base36 b6jsk

Cryptographic Hash Functions

md5 62512ad2d37c7335e3e985a9e5063a99
sha1 bbdcd02911dc4db7dbf2a1c447238ce80bc0a5e2
sha256 b3d647439c16cd6649bb1ce0e8cc3996917e287426b4698c03dc307a8544f26d
sha512 fce61862de8bc3c77a85a589874d628c77d767abe8efc06768ea838ff84733d3c2d9a1f604e304a63a684c0dedb43cae8e570963d7d6afe81ad4fd2ad16e886e
ripemd-160 1a4c0c005453186fe41aa960651a59e0c05beaaa

18781364 as geometric shapes

Circle

Radius = n
Diameter 37562728
Circumference 118006790.33359
Area 1.1081642418634E+15

Sphere

Radius = n
Volume 2.7750447997628E+22
Surface area 4.4326569674537E+15
Circumference 118006790.33359

Square

Length = n
Perimeter 75125456
Area 352739633700496
Diagonal 26560859.688666

Cube

Length = n
Surface area 2116437802202976
Volume 6.6249314577557E+21
Space diagonal 32530276.683445

Equilateral Triangle

Length = n
Perimeter 56344092
Area 1.5274074185312E+14
Altitude 16265138.341723

Triangular Pyramid

Length = n
Surface area 1.5274074185312E+14
Volume 7.8075565977919E+20
Height 8853619.8962219