28390909 (number)

28390909 is an odd 8-digits prime number following 28390908 and preceding 28390910. In scientific notation, it is written as 2.8390909 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 28390908 positive integers (up to 28390909) that are relatively prime to 28390909.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety thousand nine hundred nine

Notation

Scientific notation 2.8390909 × 10^7
Engineering notation 2.8390909 × 10^6

Prime Factorization of 28390909

Prime Factorization 28390909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28390909
Product of the distinct prime numbers

The prime factorization of 28390909 is 28390909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 2, 85, 28, 67, 203, 7215, 4815, 13423, 36383, 505153, 556773, 4597510, 8098706, 2772174, 7237890, 958360740, 213661301, 2132343603, 8999415211

Basic calculations (n = 28390909)

Multiplication

n×y
n×2 56781818
n×3 85172727
n×4 113563636
n×5 141954545

Division

n÷y
n÷2 14195454.5
n÷3 9463636.3333333
n÷3 7097727.25
n÷5 5678181.8

Exponentiation

ny
n2 806043713846281
n3 2.2884313729832E+22
n4 6.4970646863111E+29
n5 1.8445757227617E+37

Nth Root

y√n
2√n 5328.3120216444
3√n 305.06550236981
4√n 72.995287667386
5√n 30.948233118649

Divisors of 28390909

1, 28390909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28390910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14195455
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5328.3121154827
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999295549
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28390909 can be divided by 2 positive divisors. The sum of these divisors (counting 28390909) is 28390910, the average is 14195455.

Base conversion 28390909

Base System Value
2 Binary 1101100010011010111111101
3 Ternary 1222102102000011
4 Quaternary 1230103113331
5 Quinary 24232002114
6 Senary 2452303221
8 Octal 154232775
10 Decimal 28390909
12 Duodecimal 9611b11
16 Hexadecimal 1b135fd
20 Vigesimal 8h8h59
36 Base36 gwikd

Cryptographic Hash Functions

md5 de04a37fbc26e0bbcfb5c6eebdbc58c3
sha1 e56e33db2cd1fea9491757a4efc5d1c320d93c5a
sha256 447d9674f709741817a2651a7eab806d7c6d5fc7cd805f7dc663e98d3d757a40
sha512 c6a04962d4d5373c584ac9102a2fbcd95cd4a26bfddddc494ce078d190a96e79f509a8727631d8263cf0d5de9b7ce4c6f42ef1736ef236473dc63cdb9b7b356f
ripemd-160 59191c3b007d8ab8e7dd8d5eeb4938774dd627cd

28390909 as geometric shapes

Circle

Radius = n
Diameter 56781818
Circumference 178385342.28627
Area 2.5322610098917E+15

Sphere

Radius = n
Volume 9.5857589194778E+22
Surface area 1.0129044039567E+16
Circumference 178385342.28627

Square

Length = n
Perimeter 113563636
Area 806043713846281
Diagonal 40150808.5559

Cube

Length = n
Surface area 4836262283077686
Volume 2.2884313729832E+22
Space diagonal 49174496.861065

Equilateral Triangle

Length = n
Perimeter 85172727
Area 3.4902716637582E+14
Altitude 24587248.430532

Triangular Pyramid

Length = n
Surface area 3.4902716637582E+14
Volume 2.6969422368607E+21
Height 13383602.851967