28291009 (number)

28291009 is an odd 8-digits composite number following 28291008 and preceding 28291010. In scientific notation, it is written as 2.8291009 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 26361600 positive integers (up to 28291009) that are relatively prime to 28291009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291009 × 10^7
Engineering notation 2.8291009 × 10^6

Prime Factorization of 28291009

Prime Factorization 17 × 101 × 16477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291009
Product of the distinct prime numbers

The prime factorization of 28291009 is 17 × 101 × 16477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291009)

Multiplication

n×y
n×2 56582018
n×3 84873027
n×4 113164036
n×5 141455045

Division

n÷y
n÷2 14145504.5
n÷3 9430336.3333333
n÷3 7072752.25
n÷5 5658201.8

Exponentiation

ny
n2 800381190238081
n3 2.2643591456456E+22
n4 6.4061004968693E+29
n5 1.8123504681183E+37

Nth Root

y√n
2√n 5318.9293095509
3√n 304.70726728119
4√n 72.930990049162
5√n 30.926422691346

Divisors of 28291009

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 -28291008
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 28291009 can be divided by 8 positive divisors. The sum of these divisors (counting 28291009) is 1, the average is 0.125.

Base conversion 28291009

Base System Value
2 Binary 1101011111010111111000001
3 Ternary 1222020022222011
4 Quaternary 1223322333001
5 Quinary 24220303014
6 Senary 2450212521
8 Octal 153727701
10 Decimal 28291009
12 Duodecimal 9584141
16 Hexadecimal 1afafc1
20 Vigesimal 8gg7a9
36 Base36 gudhd

Cryptographic Hash Functions

md5 c9b5097c71dc0fd81052ce19bfd6db4f
sha1 8aaeab6e5a8ba53144ca77dc7873f30d461d934b
sha256 8d61b8e090386f354f215f92d53a9f612245b5a5984b68619f8418e724cb07fe
sha512 50027ecfc30793887d4b23e079fd8351683a96fee4858e1d490a67bf301c9f6442ed4e55a459072a06d72c9de65b98202127b746f970504a9b52c14e3166fdb9
ripemd-160 a638bb6b7a6c8bede11b41a247baaa1d5372a8cd

28291009 as geometric shapes

Circle

Radius = n
Diameter 56582018
Circumference 177757652.07409
Area 2.5144716673234E+15

Sphere

Radius = n
Volume 9.4849254093989E+22
Surface area 1.0057886669294E+16
Circumference 177757652.07409

Square

Length = n
Perimeter 113164036
Area 800381190238081
Diagonal 40009528.621019

Cube

Length = n
Surface area 4802287141428486
Volume 2.2643591456456E+22
Space diagonal 49001464.985388

Equilateral Triangle

Length = n
Perimeter 84873027
Area 3.465752217287E+14
Altitude 24500732.492694

Triangular Pyramid

Length = n
Surface area 3.465752217287E+14
Volume 2.6685728448797E+21
Height 13336509.54034