28861009 (number)

28861009 is an odd 8-digits composite number following 28861008 and preceding 28861010. In scientific notation, it is written as 2.8861009 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 28185696 positive integers (up to 28861009) that are relatively prime to 28861009.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred sixty-one thousand nine

Notation

Scientific notation 2.8861009 × 10^7
Engineering notation 2.8861009 × 10^6

Prime Factorization of 28861009

Prime Factorization 83 × 89 × 3907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28861009
Product of the distinct prime numbers

The prime factorization of 28861009 is 83 × 89 × 3907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28861009)

Multiplication

n×y
n×2 57722018
n×3 86583027
n×4 115444036
n×5 144305045

Division

n÷y
n÷2 14430504.5
n÷3 9620336.3333333
n÷3 7215252.25
n÷5 5772201.8

Exponentiation

ny
n2 832957840498081
n3 2.4040003731236E+22
n4 6.9381876404723E+29
n5 2.0024309593536E+37

Nth Root

y√n
2√n 5372.2443168568
3√n 306.74006369108
4√n 73.295595480607
5√n 31.050049870602

Divisors of 28861009

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 -28861008
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 28861009 can be divided by 8 positive divisors. The sum of these divisors (counting 28861009) is 1, the average is 0.125.

Base conversion 28861009

Base System Value
2 Binary 1101110000110001001010001
3 Ternary 2000022021212021
4 Quaternary 1232012021101
5 Quinary 24342023014
6 Senary 2510331441
8 Octal 156061121
10 Decimal 28861009
12 Duodecimal 97b9b81
16 Hexadecimal 1b86251
20 Vigesimal 907ca9
36 Base36 h6lap

Cryptographic Hash Functions

md5 25d981a0546ab4608ad25360a10fb1d0
sha1 2e0eb19aaebddabff0f9c07c465db687083ca790
sha256 c9dfb703e700f5766e34adfb6140de5348c7a7418fd79c30bf20fe99d9da80d7
sha512 dd0b739fcf032fc62c3fc8f9ca80eeabab7db23c5d1441b484ad4031350ca738b698595d504f8451436ffc01306ac14ccb944d8119fba857254873604d11d79e
ripemd-160 ab1cc6078b3cfc635f586cb5ee686b40ca385eef

28861009 as geometric shapes

Circle

Radius = n
Diameter 57722018
Circumference 181339067.69918
Area 2.6168142324588E+15

Sphere

Radius = n
Volume 1.0069853215243E+23
Surface area 1.0467256929835E+16
Circumference 181339067.69918

Square

Length = n
Perimeter 115444036
Area 832957840498081
Diagonal 40815630.351572

Cube

Length = n
Surface area 4997747042988486
Volume 2.4040003731236E+22
Space diagonal 49988733.945703

Equilateral Triangle

Length = n
Perimeter 86583027
Area 3.6068132507638E+14
Altitude 24994366.972851

Triangular Pyramid

Length = n
Surface area 3.6068132507638E+14
Volume 2.8331416096844E+21
Height 13605210.117191