28910909 (number)

28910909 is an odd 8-digits prime number following 28910908 and preceding 28910910. In scientific notation, it is written as 2.8910909 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 28910908 positive integers (up to 28910909) that are relatively prime to 28910909.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ten thousand nine hundred nine

Notation

Scientific notation 2.8910909 × 10^7
Engineering notation 2.8910909 × 10^6

Prime Factorization of 28910909

Prime Factorization 28910909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28910909
Product of the distinct prime numbers

The prime factorization of 28910909 is 28910909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28910909)

Multiplication

n×y
n×2 57821818
n×3 86732727
n×4 115643636
n×5 144554545

Division

n÷y
n÷2 14455454.5
n÷3 9636969.6666667
n÷3 7227727.25
n÷5 5782181.8

Exponentiation

ny
n2 835840659206281
n3 2.4164913236813E+22
n4 6.9862960758239E+29
n5 2.019801700952E+37

Nth Root

y√n
2√n 5376.8865526436
3√n 306.91674400298
4√n 73.327256546551
5√n 31.060779412665

Divisors of 28910909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28910910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14455455
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5376.8866456343
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999930822
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28910909 can be divided by 2 positive divisors. The sum of these divisors (counting 28910909) is 28910910, the average is 14455455.

Base conversion 28910909

Base System Value
2 Binary 1101110010010010100111101
3 Ternary 2000101211022102
4 Quaternary 1232102110331
5 Quinary 24400122114
6 Senary 2511354445
8 Octal 156222475
10 Decimal 28910909
12 Duodecimal 9822a25
16 Hexadecimal 1b9253d
20 Vigesimal 90dh59
36 Base36 h7nst

Cryptographic Hash Functions

md5 aa2fee29180fa015df3ff437c218c765
sha1 a74d7ffd7433d4b3fca485c3e1f23fbca75037ce
sha256 daddee6175908c5501e10643a2529b5e4d774903698484bc12352042fe740579
sha512 406538f63d06b90b677596d43a7cb72e2febfb54c3bf7eae64e872ac60520a0ab5970d662bc61bc747b727bd04948c0b8cae91d89449c7964e75b08fb138b815
ripemd-160 6f41de6be08eb16de91df2fc5e8ad768e18f44d2

28910909 as geometric shapes

Circle

Radius = n
Diameter 57821818
Circumference 181652598.64601
Area 2.6258708745341E+15

Sphere

Radius = n
Volume 1.0122175186587E+23
Surface area 1.0503483498136E+16
Circumference 181652598.64601

Square

Length = n
Perimeter 115643636
Area 835840659206281
Diagonal 40886199.608334

Cube

Length = n
Surface area 5015043955237686
Volume 2.4164913236813E+22
Space diagonal 50075163.281

Equilateral Triangle

Length = n
Perimeter 86732727
Area 3.6192962219429E+14
Altitude 25037581.6405

Triangular Pyramid

Length = n
Surface area 3.6192962219429E+14
Volume 2.8478623360891E+21
Height 13628733.202778