28572021 (number)

28572021 is an odd 8-digits composite number following 28572020 and preceding 28572022. In scientific notation, it is written as 2.8572021 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 19047960 positive integers (up to 28572021) that are relatively prime to 28572021.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred seventy-two thousand twenty-one

Notation

Scientific notation 2.8572021 × 10^7
Engineering notation 2.8572021 × 10^6

Prime Factorization of 28572021

Prime Factorization 9 × 9 × 352741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 3174669
Product of the distinct prime numbers

The prime factorization of 28572021 is 9 × 9 × 352741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28572021)

Multiplication

n×y
n×2 57144042
n×3 85716063
n×4 114288084
n×5 142860105

Division

n÷y
n÷2 14286010.5
n÷3 9524007
n÷3 7143005.25
n÷5 5714404.2

Exponentiation

ny
n2 816360384024441
n3 2.3325066035914E+22
n4 6.6644427660453E+29
n5 1.9041659866475E+37

Nth Root

y√n
2√n 5345.2802545797
3√n 305.71282168879
4√n 73.111423557333
5√n 30.987617897966

Divisors of 28572021

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28572020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28572021 can be divided by 6 positive divisors. The sum of these divisors (counting 28572021) is 1, the average is 0.16666666666667.

Base conversion 28572021

Base System Value
2 Binary 1101100111111100101110101
3 Ternary 1222202121110000
4 Quaternary 1230333211311
5 Quinary 24303301041
6 Senary 2500221513
8 Octal 154774565
10 Decimal 28572021
12 Duodecimal 969a899
16 Hexadecimal 1b3f975
20 Vigesimal 8iba11
36 Base36 h0eb9

Cryptographic Hash Functions

md5 b14d3acf8bcc6421ca20cad94002b85b
sha1 4be764ed7c0ce98132c6dee9a56130bedb26a2f8
sha256 2b3b2562e773c80b3c1ff0c701f18ac0499a285ef06b7e10f8da9ae620c5bba4
sha512 3c4e6f4e6be81ac3515e2472df761ce06d415c085ecaa20bb66756a2cd18d38734892e10c1db641cc8d77a43eb879e0016c41428cf16df6823c5c3d08a1d223b
ripemd-160 c176cd7965e602a3e27f71c93f8e8ad20607e290

28572021 as geometric shapes

Circle

Radius = n
Diameter 57144042
Circumference 179523302.54363
Area 2.5646717851329E+15

Sphere

Radius = n
Volume 9.7703808137234E+22
Surface area 1.0258687140532E+16
Circumference 179523302.54363

Square

Length = n
Perimeter 114288084
Area 816360384024441
Diagonal 40406939.602609

Cube

Length = n
Surface area 4898162304146646
Volume 2.3325066035914E+22
Space diagonal 49488192.046925

Equilateral Triangle

Length = n
Perimeter 85716063
Area 3.5349441560419E+14
Altitude 24744096.023462

Triangular Pyramid

Length = n
Surface area 3.5349441560419E+14
Volume 2.7488853942698E+21
Height 13468979.867536