18778828 (number)

18778828 is an even 8-digits composite number following 18778827 and preceding 18778829. In scientific notation, it is written as 1.8778828 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 9341360 positive integers (up to 18778828) that are relatively prime to 18778828.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred seventy-eight thousand eight hundred twenty-eight

Notation

Scientific notation 1.8778828 × 10^7
Engineering notation 1.8778828 × 10^6

Prime Factorization of 18778828

Prime Factorization 2 × 2 × 197 × 23831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9389414
Product of the distinct prime numbers

The prime factorization of 18778828 is 2 × 2 × 197 × 23831. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 85, 34, 548, 546, 9196, 9562, 78609, 60604, 787020, 819019, 4660435, 6002535, 86473266, 4521976, 866435310, 805973287, 950255893, 724995232

Basic calculations (n = 18778828)

Multiplication

n×y
n×2 37557656
n×3 56336484
n×4 75115312
n×5 93894140

Division

n÷y
n÷2 9389414
n÷3 6259609.3333333
n÷3 4694707
n÷5 3755765.6

Exponentiation

ny
n2 352644381053584
n3 6.6222481769717E+21
n4 1.2435805948867E+29
n5 2.3352986095514E+36

Nth Root

y√n
2√n 4333.4545111262
3√n 265.80072511613
4√n 65.828979265413
5√n 28.492705997203

Divisors of 18778828

1, 2, 4, 197, 394, 788, 23831, 47662, 95324, 4694707, 9389414, 18778828

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 -18778827
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 18778828 can be divided by 12 positive divisors. The sum of these divisors (counting 18778828) is 1, the average is 0.083333333333333.

Base conversion 18778828

Base System Value
2 Binary 1000111101000101011001100
3 Ternary 1022100001201011
4 Quaternary 1013220223030
5 Quinary 14301410303
6 Senary 1510255004
8 Octal 107505314
10 Decimal 18778828
12 Duodecimal 6357464
16 Hexadecimal 11e8acc
20 Vigesimal 5h7718
36 Base36 b6hu4

Cryptographic Hash Functions

md5 d4effa3f8a01972fa7ffde185e20bd09
sha1 a272d8186b0ed01a2999346795f75c1e160a6c9c
sha256 a01b23b5d38369251d5e3d8d12a791247f1c68a36e07f6316cad1eda5ad5a03b
sha512 4e795693f2369f5e7d9fc9380502b36bfcbae72c08e72f5c302e32129a204112e3aa3b3693642aedd663b5ad410f945e965200c2ec9c5e06109b0aa24ea0f153
ripemd-160 e7490fc8e2e313dfefd39e651029f624796f57fe

18778828 as geometric shapes

Circle

Radius = n
Diameter 37557656
Circumference 117990856.17565
Area 1.1078649968477E+15

Sphere

Radius = n
Volume 2.7739208297364E+22
Surface area 4.4314599873906E+15
Circumference 117990856.17565

Square

Length = n
Perimeter 75115312
Area 352644381053584
Diagonal 26557273.243072

Cube

Length = n
Surface area 2115866286321504
Volume 6.6222481769717E+21
Space diagonal 32525884.202597

Equilateral Triangle

Length = n
Perimeter 56336484
Area 1.5269949624712E+14
Altitude 16262942.101299

Triangular Pyramid

Length = n
Surface area 1.5269949624712E+14
Volume 7.8043943210616E+20
Height 8852424.4143572