18878142 (number)

18878142 is an even 8-digits composite number following 18878141 and preceding 18878143. In scientific notation, it is written as 1.8878142 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6269760 positive integers (up to 18878142) that are relatively prime to 18878142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8878142 × 10^7
Engineering notation 1.8878142 × 10^6

Prime Factorization of 18878142

Prime Factorization 2 × 3 × 281 × 11197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18878142
Product of the distinct prime numbers

The prime factorization of 18878142 is 2 × 3 × 281 × 11197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 17, 86, 607, 420, 1689, 5077, 1173, 86400, 417786, 739684, 5606764, 4312368, 68190283, 5414323, 484055325, 491258707, 357324056, 7343195947

Basic calculations (n = 18878142)

Multiplication

n×y
n×2 37756284
n×3 56634426
n×4 75512568
n×5 94390710

Division

n÷y
n÷2 9439071
n÷3 6292714
n÷3 4719535.5
n÷5 3775628.4

Exponentiation

ny
n2 356384245372164
n3 6.7278723906986E+21
n4 1.2700973034949E+29
n5 2.3977077249193E+36

Nth Root

y√n
2√n 4344.8983877647
3√n 266.26847410881
4√n 65.915843222739
5√n 28.522779837788

Divisors of 18878142

1, 2, 3, 6, 281, 562, 843, 1686, 11197, 22394, 33591, 67182, 3146357, 6292714, 9439071, 18878142

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18878141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18878142 can be divided by 16 positive divisors. The sum of these divisors (counting 18878142) is 1, the average is 0.0625.

Base conversion 18878142

Base System Value
2 Binary 1001000000000111010111110
3 Ternary 1022112002221110
4 Quaternary 1020000322332
5 Quinary 14313100032
6 Senary 1512342450
8 Octal 110007276
10 Decimal 18878142
12 Duodecimal 63a4a26
16 Hexadecimal 1200ebe
20 Vigesimal 5hjf72
36 Base36 b8mgu

Cryptographic Hash Functions

md5 7a13401a6d3c59922db8cb8cf558998c
sha1 efbeeb6cdb2af0415865b3718160a0e6c83bd5ae
sha256 3696a8d983b0c1fbc4b32434d264450bd412428e854ac702c2e23d3b0e32ff1e
sha512 8aab5ae301f81987df7de44c34affea924fefc6159de12ecffa34e43ee3d0d58177f2fc4ba1cc04bc819b4bfb645edb24ae2b208a3bd54099c9df3ef503375b8
ripemd-160 24a1bc22271b11c235f2bd9eab186594d2bed291

18878142 as geometric shapes

Circle

Radius = n
Diameter 37756284
Circumference 118614864.44125
Area 1.1196141271163E+15

Sphere

Radius = n
Volume 2.8181645969211E+22
Surface area 4.4784565084653E+15
Circumference 118614864.44125

Square

Length = n
Perimeter 75512568
Area 356384245372164
Diagonal 26697724.448805

Cube

Length = n
Surface area 2138305472232984
Volume 6.7278723906986E+21
Space diagonal 32697901.0965

Equilateral Triangle

Length = n
Perimeter 56634426
Area 1.5431890500042E+14
Altitude 16348950.54825

Triangular Pyramid

Length = n
Surface area 1.5431890500042E+14
Volume 7.9288736507012E+20
Height 8899241.482935