28872009 (number)

28872009 is an odd 8-digits composite number following 28872008 and preceding 28872010. In scientific notation, it is written as 2.8872009 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 19248000 positive integers (up to 28872009) that are relatively prime to 28872009.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred seventy-two thousand nine

Notation

Scientific notation 2.8872009 × 10^7
Engineering notation 2.8872009 × 10^6

Prime Factorization of 28872009

Prime Factorization 9 × 3208001

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28872009
Product of the distinct prime numbers

The prime factorization of 28872009 is 9 × 3208001. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28872009)

Multiplication

n×y
n×2 57744018
n×3 86616027
n×4 115488036
n×5 144360045

Division

n÷y
n÷2 14436004.5
n÷3 9624003
n÷3 7218002.25
n÷5 5774401.8

Exponentiation

ny
n2 833592903696081
n3 2.4067501817849E+22
n4 6.9487712909246E+29
n5 2.0062498725052E+37

Nth Root

y√n
2√n 5373.2680000164
3√n 306.77902874276
4√n 73.30257839951
5√n 31.052416374763

Divisors of 28872009

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 -28872008
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 28872009 can be divided by 4 positive divisors. The sum of these divisors (counting 28872009) is 1, the average is 0.25.

Base conversion 28872009

Base System Value
2 Binary 1101110001000110101001001
3 Ternary 2000022211221200
4 Quaternary 1232020311021
5 Quinary 24342401014
6 Senary 2510454413
8 Octal 156106511
10 Decimal 28872009
12 Duodecimal 9804409
16 Hexadecimal 1b88d49
20 Vigesimal 909009
36 Base36 h6ts9

Cryptographic Hash Functions

md5 8fb6f5cd9d09784bdca33c597dbb45f2
sha1 5bdbf285e5dea90f635f0bff889578473fb00dd7
sha256 a1fa61640a3eddc18a173dd00d2805e25450986254318438214bfc0679fa5896
sha512 2b953fc28d7a5e9355704f305bf862d6522a0f4128e2c6a8a530cd3cc7dd93d8ff73ee9a577b465529e7fdade5c20771df1340cdac96596cfa30829fa1cb2dbe
ripemd-160 b88ddae600c67dad9d6f1e085c3d381b597bade7

28872009 as geometric shapes

Circle

Radius = n
Diameter 57744018
Circumference 181408182.73756
Area 2.6188093423362E+15

Sphere

Radius = n
Volume 1.0081371586829E+23
Surface area 1.0475237369345E+16
Circumference 181408182.73756

Square

Length = n
Perimeter 115488036
Area 833592903696081
Diagonal 40831186.700758

Cube

Length = n
Surface area 5001557422176486
Volume 2.4067501817849E+22
Space diagonal 50007786.504586

Equilateral Triangle

Length = n
Perimeter 86616027
Area 3.6095631550762E+14
Altitude 25003893.252293

Triangular Pyramid

Length = n
Surface area 3.6095631550762E+14
Volume 2.8363822902701E+21
Height 13610395.566919