28269991 (number)

28269991 is an odd 8-digits composite number following 28269990 and preceding 28269992. In scientific notation, it is written as 2.8269991 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 28135800 positive integers (up to 28269991) that are relatively prime to 28269991.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-nine thousand nine hundred ninety-one

Notation

Scientific notation 2.8269991 × 10^7
Engineering notation 2.8269991 × 10^6

Prime Factorization of 28269991

Prime Factorization 211 × 133981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28269991
Product of the distinct prime numbers

The prime factorization of 28269991 is 211 × 133981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28269991)

Multiplication

n×y
n×2 56539982
n×3 84809973
n×4 113079964
n×5 141349955

Division

n÷y
n÷2 14134995.5
n÷3 9423330.3333333
n÷3 7067497.75
n÷5 5653998.2

Exponentiation

ny
n2 799192391140081
n3 2.2593161704799E+22
n4 6.387084780562E+29
n5 1.8056282926272E+37

Nth Root

y√n
2√n 5316.9531688741
3√n 304.63179072287
4√n 72.917440772932
5√n 30.921826144073

Divisors of 28269991

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 -28269990
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 28269991 can be divided by 4 positive divisors. The sum of these divisors (counting 28269991) is 1, the average is 0.25.

Base conversion 28269991

Base System Value
2 Binary 1101011110101110110100111
3 Ternary 1222012021010201
4 Quaternary 1223311312213
5 Quinary 24214114431
6 Senary 2445531331
8 Octal 153656647
10 Decimal 28269991
12 Duodecimal 9573b47
16 Hexadecimal 1af5da7
20 Vigesimal 8gdejb
36 Base36 gtx9j

Cryptographic Hash Functions

md5 f3e006bbd3999cfa5595f09ffc45fcb6
sha1 93d96b00a282c9e20838fe763e2f32099a215007
sha256 032ceb5559b1325a7d34585925d6a9d3febe2017aa8495e5627a5beac38ff589
sha512 06c2388acf4e02df49ae6d29d067c0e26f0e94c21ef4a54a73fe7666e9b53ca5c61e59f3d7d4017fad93a306f418cca1ba7d33ae6fc5eb2787c6740ff4ef8b12
ripemd-160 0cd8776a2b348ff5024cbcf25f0aa2eb92c6ba97

28269991 as geometric shapes

Circle

Radius = n
Diameter 56539982
Circumference 177625592.0853
Area 2.5107369448105E+15

Sphere

Radius = n
Volume 9.4638014444215E+22
Surface area 1.0042947779242E+16
Circumference 177625592.0853

Square

Length = n
Perimeter 113079964
Area 799192391140081
Diagonal 39979804.680365

Cube

Length = n
Surface area 4795154346840486
Volume 2.2593161704799E+22
Space diagonal 48965060.741515

Equilateral Triangle

Length = n
Perimeter 84809973
Area 3.4606045661927E+14
Altitude 24482530.370757

Triangular Pyramid

Length = n
Surface area 3.4606045661927E+14
Volume 2.6626296416512E+21
Height 13326601.560122