28281641 (number)

28281641 is an odd 8-digits composite number following 28281640 and preceding 28281642. In scientific notation, it is written as 2.8281641 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 26127360 positive integers (up to 28281641) that are relatively prime to 28281641.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-one thousand six hundred forty-one

Notation

Scientific notation 2.8281641 × 10^7
Engineering notation 2.8281641 × 10^6

Prime Factorization of 28281641

Prime Factorization 31 × 29 × 163 × 193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28281641
Product of the distinct prime numbers

The prime factorization of 28281641 is 31 × 29 × 163 × 193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28281641)

Multiplication

n×y
n×2 56563282
n×3 84844923
n×4 113126564
n×5 141408205

Division

n÷y
n÷2 14140820.5
n÷3 9427213.6666667
n÷3 7070410.25
n÷5 5656328.2

Exponentiation

ny
n2 799851217652881
n3 2.2621104991072E+22
n4 6.397619703808E+29
n5 1.8093518371762E+37

Nth Root

y√n
2√n 5318.0486082773
3√n 304.67363100228
4√n 72.924951890812
5√n 30.924374287139

Divisors of 28281641

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 -28281640
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 28281641 can be divided by 16 positive divisors. The sum of these divisors (counting 28281641) is 1, the average is 0.0625.

Base conversion 28281641

Base System Value
2 Binary 1101011111000101100101001
3 Ternary 1222012212010012
4 Quaternary 1223320230221
5 Quinary 24220003031
6 Senary 2450101305
8 Octal 153705451
10 Decimal 28281641
12 Duodecimal 957a835
16 Hexadecimal 1af8b29
20 Vigesimal 8gf421
36 Base36 gu695

Cryptographic Hash Functions

md5 ae549c1d1050e86b229699c13f1d4785
sha1 5bcb67e1a83d9edc3548f67cfc7296cb5117498c
sha256 004c411a00173840df392dec9434b086d42e228ab57db8a4677189a31a6e825f
sha512 dea167d71fff27c29f865cd76129e10e0b4370218474e624cd299ebe89c4d028f1f71a30f9a8ba8c67240917ae8e54432df1b180d2bd94fee9915607fcfb3166
ripemd-160 03e715d444c44fd3b95a7044eccd24d8e16387e8

28281641 as geometric shapes

Circle

Radius = n
Diameter 56563282
Circumference 177698791.19413
Area 2.5128067093431E+15

Sphere

Radius = n
Volume 9.4755063008045E+22
Surface area 1.0051226837373E+16
Circumference 177698791.19413

Square

Length = n
Perimeter 113126564
Area 799851217652881
Diagonal 39996280.268367

Cube

Length = n
Surface area 4799107305917286
Volume 2.2621104991072E+22
Space diagonal 48985239.133423

Equilateral Triangle

Length = n
Perimeter 84844923
Area 3.4634573686766E+14
Altitude 24492619.566712

Triangular Pyramid

Length = n
Surface area 3.4634573686766E+14
Volume 2.6659227895199E+21
Height 13332093.422789