18528021 (number)

18528021 is an odd 8-digits composite number following 18528020 and preceding 18528022. In scientific notation, it is written as 1.8528021 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11698992 positive integers (up to 18528021) that are relatively prime to 18528021.

Interesting facts

Basic properties

Name

Name eighteen million five hundred twenty-eight thousand twenty-one

Notation

Scientific notation 1.8528021 × 10^7
Engineering notation 1.8528021 × 10^6

Prime Factorization of 18528021

Prime Factorization 81 × 3 × 19 × 4013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18528021
Product of the distinct prime numbers

The prime factorization of 18528021 is 81 × 3 × 19 × 4013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 9, 55, 347, 635, 6098, 4661, 76870, 16514, 471268, 116540, 5950905, 7951261, 32219949, 98667013, 889437122, 694479723, 4956579751, 8306004350

Basic calculations (n = 18528021)

Multiplication

n×y
n×2 37056042
n×3 55584063
n×4 74112084
n×5 92640105

Division

n÷y
n÷2 9264010.5
n÷3 6176007
n÷3 4632005.25
n÷5 3705604.2

Exponentiation

ny
n2 343287562176441
n3 6.3604391610439E+21
n4 1.1784635034504E+29
n5 2.1834596539663E+36

Nth Root

y√n
2√n 4304.4187760951
3√n 264.61208700396
4√n 65.608069443439
5√n 28.416187311644

Divisors of 18528021

1, 3, 19, 57, 81, 243, 1539, 4013, 4617, 12039, 76247, 228741, 325053, 975159, 6176007, 18528021

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 -18528020
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 18528021 can be divided by 16 positive divisors. The sum of these divisors (counting 18528021) is 1, the average is 0.0625.

Base conversion 18528021

Base System Value
2 Binary 1000110101011011100010101
3 Ternary 1021212022200000
4 Quaternary 1012223130111
5 Quinary 14220344041
6 Senary 1501041513
8 Octal 106533425
10 Decimal 18528021
12 Duodecimal 6256299
16 Hexadecimal 11ab715
20 Vigesimal 5fg011
36 Base36 b14b9

Cryptographic Hash Functions

md5 861e0f669467e1f30f0d3d77bd53d4b2
sha1 8e68cbc7256a91fd9ac12998ebe260d38b957905
sha256 adbf4df368c4f7f74c6743f5e4c6825ee53ade1bdb7ec8b4503002a858bec252
sha512 4aee413e2cf2fb0761e363d5beb0d71311b601e453232e36efd3e7ed789100f597ee3ee48e8f26548c1be58e46d3dc97d571381bfa8713f2208e2e3594672894
ripemd-160 c6238b6960a7a7a4b00898a383ef534949e6ada3

18528021 as geometric shapes

Circle

Radius = n
Diameter 37056042
Circumference 116414989.31831
Area 1.0784696834023E+15

Sphere

Radius = n
Volume 2.664254525592E+22
Surface area 4.313878733609E+15
Circumference 116414989.31831

Square

Length = n
Perimeter 74112084
Area 343287562176441
Diagonal 26202578.582134

Cube

Length = n
Surface area 2059725373058646
Volume 6.3604391610439E+21
Space diagonal 32091473.735703

Equilateral Triangle

Length = n
Perimeter 55584063
Area 1.4864787482401E+14
Altitude 16045736.867852

Triangular Pyramid

Length = n
Surface area 1.4864787482401E+14
Volume 7.495849436831E+20
Height 8734192.8607112