28291311 (number)

28291311 is an odd 8-digits composite number following 28291310 and preceding 28291312. In scientific notation, it is written as 2.8291311 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 17842176 positive integers (up to 28291311) that are relatively prime to 28291311.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand three hundred eleven

Notation

Scientific notation 2.8291311 × 10^7
Engineering notation 2.8291311 × 10^6

Prime Factorization of 28291311

Prime Factorization 3 × 3 × 97 × 23 × 1409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9430437
Product of the distinct prime numbers

The prime factorization of 28291311 is 3 × 3 × 97 × 23 × 1409. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 88, 19, 340, 107, 6539, 2164, 43497, 95367, 632318, 89212, 5552185, 9380918, 37368342, 79249275, 986109438, 256839719, 1108308, 1334586846

Basic calculations (n = 28291311)

Multiplication

n×y
n×2 56582622
n×3 84873933
n×4 113165244
n×5 141456555

Division

n÷y
n÷2 14145655.5
n÷3 9430437
n÷3 7072827.75
n÷5 5658262.2

Exponentiation

ny
n2 800398278098721
n3 2.2644316609555E+22
n4 6.406374035834E+29
n5 1.812447202301E+37

Nth Root

y√n
2√n 5318.9576986474
3√n 304.70835150395
4√n 72.93118467876
5√n 30.926488717551

Divisors of 28291311

1, 3, 9, 23, 69, 97, 207, 291, 873, 1409, 2231, 4227, 6693, 12681, 20079, 32407, 97221, 136673, 291663, 410019, 1230057, 3143479, 9430437, 28291311

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28291310
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291311 can be divided by 24 positive divisors. The sum of these divisors (counting 28291311) is 1, the average is 0.041666666666667.

Base conversion 28291311

Base System Value
2 Binary 1101011111011000011101111
3 Ternary 1222020100101100
4 Quaternary 1223323003233
5 Quinary 24220310221
6 Senary 2450214143
8 Octal 153730357
10 Decimal 28291311
12 Duodecimal 9584353
16 Hexadecimal 1afb0ef
20 Vigesimal 8gg85b
36 Base36 gudpr

Cryptographic Hash Functions

md5 e31ea2ffd41ed0b75dcf616fe9a7d2e0
sha1 15b92c507e8fa04bf62bcdb1dd9560d3993f3ca6
sha256 12c215681267bc5bade2dda7e9bccd2f1db3024086fabd1ddb7760e61a0d952c
sha512 680bc030ab121ab27bbb02d6487b1fa53ff58c617264344d3c175732d968eda402bec498c99d9a6c272ce3f9fd8bbb73df70d8b38690f74847a1447103e50b10
ripemd-160 f9d47f51b598f45e0e7dec111b7744aee2c915b2

28291311 as geometric shapes

Circle

Radius = n
Diameter 56582622
Circumference 177759549.59605
Area 2.5145253504209E+15

Sphere

Radius = n
Volume 9.4852291608187E+22
Surface area 1.0058101401683E+16
Circumference 177759549.59605

Square

Length = n
Perimeter 113165244
Area 800398278098721
Diagonal 40009955.713515

Cube

Length = n
Surface area 4802389668592326
Volume 2.2644316609555E+22
Space diagonal 49001988.064732

Equilateral Triangle

Length = n
Perimeter 84873933
Area 3.4658262098941E+14
Altitude 24500994.032366

Triangular Pyramid

Length = n
Surface area 3.4658262098941E+14
Volume 2.668658304992E+21
Height 13336651.904505