28490655 (number)

28490655 is an odd 8-digits composite number following 28490654 and preceding 28490656. In scientific notation, it is written as 2.8490655 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 15195008 positive integers (up to 28490655) that are relatively prime to 28490655.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety thousand six hundred fifty-five

Notation

Scientific notation 2.8490655 × 10^7
Engineering notation 2.8490655 × 10^6

Prime Factorization of 28490655

Prime Factorization 15 × 1899377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28490655
Product of the distinct prime numbers

The prime factorization of 28490655 is 15 × 1899377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490655)

Multiplication

n×y
n×2 56981310
n×3 85471965
n×4 113962620
n×5 142453275

Division

n÷y
n÷2 14245327.5
n÷3 9496885
n÷3 7122663.75
n÷5 5698131

Exponentiation

ny
n2 811717422329025
n3 2.3126361037066E+22
n4 6.5888517371248E+29
n5 1.8772070168857E+37

Nth Root

y√n
2√n 5337.6638148164
3√n 305.42234778862
4√n 73.059317097933
5√n 30.969948755886

Divisors of 28490655

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 -28490654
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 28490655 can be divided by 4 positive divisors. The sum of these divisors (counting 28490655) is 1, the average is 0.25.

Base conversion 28490655

Base System Value
2 Binary 1101100101011101110011111
3 Ternary 1222121110211110
4 Quaternary 1230223232133
5 Quinary 24243200110
6 Senary 2454353103
8 Octal 154535637
10 Decimal 28490655
12 Duodecimal 965b793
16 Hexadecimal 1b2bb9f
20 Vigesimal 8i16cf
36 Base36 gynj3

Cryptographic Hash Functions

md5 2b15c8b1e21b773e36d852511a4b52c1
sha1 2f2573cb0180bc7432d1553c94b76b1f91efe3b2
sha256 e911c7fa7e766e2aee2f31500a1d587f7c789489705d418090f396c17c18ebce
sha512 6643d0724713beae4be58132bc2afe2006f8a31dbb7449fc1bb071335875114839841036929dde1c0f839e630d88e56cc949646a20a414455c8d705eaa3810dd
ripemd-160 65c9a7e4c6f10d2655bfa185148978ef8e326844

28490655 as geometric shapes

Circle

Radius = n
Diameter 56981310
Circumference 179012064.88792
Area 2.5500854907797E+15

Sphere

Radius = n
Volume 9.6871474584414E+22
Surface area 1.0200341963119E+16
Circumference 179012064.88792

Square

Length = n
Perimeter 113962620
Area 811717422329025
Diagonal 40291870.701893

Cube

Length = n
Surface area 4870304533974150
Volume 2.3126361037066E+22
Space diagonal 49347262.000916

Equilateral Triangle

Length = n
Perimeter 85471965
Area 3.5148395421568E+14
Altitude 24673631.000458

Triangular Pyramid

Length = n
Surface area 3.5148395421568E+14
Volume 2.7254677855796E+21
Height 13430623.567298