28291145 (number)

28291145 is an odd 8-digits composite number following 28291144 and preceding 28291146. In scientific notation, it is written as 2.8291145 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 21301504 positive integers (up to 28291145) that are relatively prime to 28291145.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand one hundred forty-five

Notation

Scientific notation 2.8291145 × 10^7
Engineering notation 2.8291145 × 10^6

Prime Factorization of 28291145

Prime Factorization 5 × 17 × 332837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291145
Product of the distinct prime numbers

The prime factorization of 28291145 is 5 × 17 × 332837. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291145)

Multiplication

n×y
n×2 56582290
n×3 84873435
n×4 113164580
n×5 141455725

Division

n÷y
n÷2 14145572.5
n÷3 9430381.6666667
n÷3 7072786.25
n÷5 5658229

Exponentiation

ny
n2 800388885411025
n3 2.2643918013552E+22
n4 6.406223678895E+29
n5 1.8123940300205E+37

Nth Root

y√n
2√n 5318.9420940634
3√n 304.7077555414
4√n 72.931077697121
5√n 30.926452425071

Divisors of 28291145

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28291144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291145 can be divided by 8 positive divisors. The sum of these divisors (counting 28291145) is 1, the average is 0.125.

Base conversion 28291145

Base System Value
2 Binary 1101011111011000001001001
3 Ternary 1222020100011012
4 Quaternary 1223323001021
5 Quinary 24220304040
6 Senary 2450213305
8 Octal 153730111
10 Decimal 28291145
12 Duodecimal 9584235
16 Hexadecimal 1afb049
20 Vigesimal 8gg7h5
36 Base36 gudl5

Cryptographic Hash Functions

md5 c8f1d00ec4be0e92e8b42f85ff309577
sha1 b5d4b2c16cd94b8e29ecaa6964a2f41a1f5b81c2
sha256 b6ee905c0b19af00cb928430479bf6715d1c36921928baf2b258bb376d7046ef
sha512 9035dcfe4ce06e7c45c5b7d80d14d633f77f417ea8ff52876e7f176f155384290e97c1588baab11bd273d279565538aa3aef3df3c4996fcb55d052984d30ab58
ripemd-160 1d591bf78da2621e99de5dd7390b36b68a9c4c44

28291145 as geometric shapes

Circle

Radius = n
Diameter 56582290
Circumference 177758506.58729
Area 2.5144958424222E+15

Sphere

Radius = n
Volume 9.4850621973151E+22
Surface area 1.0057983369689E+16
Circumference 177758506.58729

Square

Length = n
Perimeter 113164580
Area 800388885411025
Diagonal 40009720.954064

Cube

Length = n
Surface area 4802333312466150
Volume 2.2643918013552E+22
Space diagonal 49001700.544298

Equilateral Triangle

Length = n
Perimeter 84873435
Area 3.4657855383633E+14
Altitude 24500850.272149

Triangular Pyramid

Length = n
Surface area 3.4657855383633E+14
Volume 2.6686113300024E+21
Height 13336573.651355