18994789 (number)

18994789 is an odd 8-digits composite number following 18994788 and preceding 18994790. In scientific notation, it is written as 1.8994789 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 17228640 positive integers (up to 18994789) that are relatively prime to 18994789.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand seven hundred eighty-nine

Notation

Scientific notation 1.8994789 × 10^7
Engineering notation 1.8994789 × 10^6

Prime Factorization of 18994789

Prime Factorization 11 × 503 × 3433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18994789
Product of the distinct prime numbers

The prime factorization of 18994789 is 11 × 503 × 3433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18994789)

Multiplication

n×y
n×2 37989578
n×3 56984367
n×4 75979156
n×5 94973945

Division

n÷y
n÷2 9497394.5
n÷3 6331596.3333333
n÷3 4748697.25
n÷5 3798957.8

Exponentiation

ny
n2 360802009154521
n3 6.8533580346662E+21
n4 1.3017808980994E+29
n5 2.4727053483628E+36

Nth Root

y√n
2√n 4358.3011598558
3√n 266.8157678329
4√n 66.017430727466
5√n 28.557941178093

Divisors of 18994789

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18994788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18994789 can be divided by 8 positive divisors. The sum of these divisors (counting 18994789) is 1, the average is 0.125.

Base conversion 18994789

Base System Value
2 Binary 1001000011101011001100101
3 Ternary 1022202000221201
4 Quaternary 1020131121211
5 Quinary 14330313124
6 Senary 1515042501
8 Octal 110353145
10 Decimal 18994789
12 Duodecimal 6440431
16 Hexadecimal 121d665
20 Vigesimal 5ie6j9
36 Base36 bb4h1

Cryptographic Hash Functions

md5 df62dd620f945a2ef5d2feea2a147de6
sha1 3cc8d3969d132150da97ec4b03adcace48c5c975
sha256 015f2370be3d655b700586d15b86ac624978ea285aa2fbcb6a9db20b0e1c2916
sha512 b2fd1bb54a351064533cc02ecef2068145361d025b91c6fd87683a680788b9771ef49312ca068ba6294703dbdff01f0199562d8e98ccdf6d0fa2aca41f49f9e4
ripemd-160 1e1238632da6c2d0843caa414cdae9b986202733

18994789 as geometric shapes

Circle

Radius = n
Diameter 37989578
Circumference 119347779.15778
Area 1.1334929413603E+15

Sphere

Radius = n
Volume 2.8707279005504E+22
Surface area 4.5339717654411E+15
Circumference 119347779.15778

Square

Length = n
Perimeter 75979156
Area 360802009154521
Diagonal 26862688.218215

Cube

Length = n
Surface area 2164812054927126
Volume 6.8533580346662E+21
Space diagonal 32899939.62705

Equilateral Triangle

Length = n
Perimeter 56984367
Area 1.5623185283214E+14
Altitude 16449969.813525

Triangular Pyramid

Length = n
Surface area 1.5623185283214E+14
Volume 8.076759900353E+20
Height 8954229.4060718