28231661 (number)

28231661 is an odd 8-digits composite number following 28231660 and preceding 28231662. In scientific notation, it is written as 2.8231661 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 28141152 positive integers (up to 28231661) that are relatively prime to 28231661.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-one thousand six hundred sixty-one

Notation

Scientific notation 2.8231661 × 10^7
Engineering notation 2.8231661 × 10^6

Prime Factorization of 28231661

Prime Factorization 313 × 90197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28231661
Product of the distinct prime numbers

The prime factorization of 28231661 is 313 × 90197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28231661)

Multiplication

n×y
n×2 56463322
n×3 84694983
n×4 112926644
n×5 141158305

Division

n÷y
n÷2 14115830.5
n÷3 9410553.6666667
n÷3 7057915.25
n÷5 5646332.2

Exponentiation

ny
n2 797026682818921
n3 2.2501387117298E+22
n4 6.3525153312533E+29
n5 1.7934205932925E+37

Nth Root

y√n
2√n 5313.3474382916
3√n 304.49404963733
4√n 72.892711832471
5√n 30.913436492153

Divisors of 28231661

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28231660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28231661 can be divided by 4 positive divisors. The sum of these divisors (counting 28231661) is 1, the average is 0.25.

Base conversion 28231661

Base System Value
2 Binary 1101011101100011111101101
3 Ternary 1222010022120002
4 Quaternary 1223230133231
5 Quinary 24211403121
6 Senary 2445034045
8 Octal 153543755
10 Decimal 28231661
12 Duodecimal 9555925
16 Hexadecimal 1aec7ed
20 Vigesimal 8g8j31
36 Base36 gt3ot

Cryptographic Hash Functions

md5 6639dd10b4eb93d056abf867bff5dab5
sha1 4330f7a890ce43200e52e5a730604abbcd748f49
sha256 ee153cf582cad971abe252d29234ef763535a8c2db2063f0eaae2001396fdad9
sha512 98ff38fb4ec2f29820c984a7351ca5cfbc8bd821e24368d39732621e63dcd128a34c09ba3546aca0440a79e4b7b13a07ba8cc3d4861fe777f875049db507b1b8
ripemd-160 6994d4a9f6f36ed413c7c359bd8aa119c4c74271

28231661 as geometric shapes

Circle

Radius = n
Diameter 56463322
Circumference 177384757.59247
Area 2.503933171459E+15

Sphere

Radius = n
Volume 9.4253589951046E+22
Surface area 1.0015732685836E+16
Circumference 177384757.59247

Square

Length = n
Perimeter 112926644
Area 797026682818921
Diagonal 39925597.87452

Cube

Length = n
Surface area 4782160096913526
Volume 2.2501387117298E+22
Space diagonal 48898671.234061

Equilateral Triangle

Length = n
Perimeter 84694983
Area 3.4512267740761E+14
Altitude 24449335.61703

Triangular Pyramid

Length = n
Surface area 3.4512267740761E+14
Volume 2.6518139027909E+21
Height 13308532.62484