28291212 (number)

28291212 is an even 8-digits composite number following 28291211 and preceding 28291213. In scientific notation, it is written as 2.8291212 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 9408672 positive integers (up to 28291212) that are relatively prime to 28291212.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred twelve

Notation

Scientific notation 2.8291212 × 10^7
Engineering notation 2.8291212 × 10^6

Prime Factorization of 28291212

Prime Factorization 2 × 2 × 9 × 719 × 1093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14145606
Product of the distinct prime numbers

The prime factorization of 28291212 is 2 × 2 × 9 × 719 × 1093. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291212)

Multiplication

n×y
n×2 56582424
n×3 84873636
n×4 113164848
n×5 141456060

Division

n÷y
n÷2 14145606
n÷3 9430404
n÷3 7072803
n÷5 5658242.4

Exponentiation

ny
n2 800392676428944
n3 2.2644078892099E+22
n4 6.4062843648109E+29
n5 1.8124154909715E+37

Nth Root

y√n
2√n 5318.9483923046
3√n 304.70799608078
4√n 72.931120876514
5√n 30.926467073261

Divisors of 28291212

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 -28291211
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 28291212 can be divided by 24 positive divisors. The sum of these divisors (counting 28291212) is 1, the average is 0.041666666666667.

Base conversion 28291212

Base System Value
2 Binary 1101011111011000010001100
3 Ternary 1222020100020200
4 Quaternary 1223323002030
5 Quinary 24220304322
6 Senary 2450213500
8 Octal 153730214
10 Decimal 28291212
12 Duodecimal 9584290
16 Hexadecimal 1afb08c
20 Vigesimal 8gg80c
36 Base36 gudn0

Cryptographic Hash Functions

md5 b6f4a2db50b7138af0f39ad69a50f04f
sha1 b970c7e1914981f17c217cad70a83a1ace4386d0
sha256 203fc2605db721e3cc6d29c529e1aec583b0901e1c6ebd0f007d0043006a890a
sha512 34dacbf1ed9598bbb04e40e7c268b35ef13385170d4ffef06bd0f09f99fb2a48b5657fd5eaf2f38fd10609ea5ea1d4079b4799712c022ca3f876f3a8854f174d
ripemd-160 c546b4031a9b6388dc562da9403a7a80dbdb937a

28291212 as geometric shapes

Circle

Radius = n
Diameter 56582424
Circumference 177758927.5607
Area 2.5145077522562E+15

Sphere

Radius = n
Volume 9.4851295859633E+22
Surface area 1.0058031009025E+16
Circumference 177758927.5607

Square

Length = n
Perimeter 113164848
Area 800392676428944
Diagonal 40009815.706372

Cube

Length = n
Surface area 4802356058573664
Volume 2.2644078892099E+22
Space diagonal 49001816.591702

Equilateral Triangle

Length = n
Perimeter 84873636
Area 3.4658019539524E+14
Altitude 24500908.295851

Triangular Pyramid

Length = n
Surface area 3.4658019539524E+14
Volume 2.668630289721E+21
Height 13336605.235457