28391609 (number)

28391609 is an odd 8-digits composite number following 28391608 and preceding 28391610. In scientific notation, it is written as 2.8391609 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 27127296 positive integers (up to 28391609) that are relatively prime to 28391609.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8391609 × 10^7
Engineering notation 2.8391609 × 10^6

Prime Factorization of 28391609

Prime Factorization 29 × 97 × 10093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28391609
Product of the distinct prime numbers

The prime factorization of 28391609 is 29 × 97 × 10093. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28391609)

Multiplication

n×y
n×2 56783218
n×3 85174827
n×4 113566436
n×5 141958045

Division

n÷y
n÷2 14195804.5
n÷3 9463869.6666667
n÷3 7097902.25
n÷5 5678321.8

Exponentiation

ny
n2 806083461608881
n3 2.2886006463366E+22
n4 6.4977054707936E+29
n5 1.8448031312393E+37

Nth Root

y√n
2√n 5328.3777080834
3√n 305.06800955849
4√n 72.99573760216
5√n 30.948385727708

Divisors of 28391609

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 -28391608
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 28391609 can be divided by 8 positive divisors. The sum of these divisors (counting 28391609) is 1, the average is 0.125.

Base conversion 28391609

Base System Value
2 Binary 1101100010011100010111001
3 Ternary 1222102102222002
4 Quaternary 1230103202321
5 Quinary 24232012414
6 Senary 2452310345
8 Octal 154234271
10 Decimal 28391609
12 Duodecimal 96123b5
16 Hexadecimal 1b138b9
20 Vigesimal 8h8j09
36 Base36 gwj3t

Cryptographic Hash Functions

md5 60188e3f7c6e196d02956c580ba8d1b1
sha1 6d73a0f96fdfbf394ce65cc9d0d231dc4057cfa2
sha256 0a2a81930685a9f54af0209bf63f8c689b6da7816e5495d25147942181e9c612
sha512 abcbd12bae68ff39089f09148f485eac1acc4a5e4369aaf6f67c8cb97983c713dca844da6a3af5911ba789a2e4ab3d9e3a805644e1c69d0130c6118dc3552add
ripemd-160 c78ffb06b497fccebcaee017e2e5bb1cd10b3dee

28391609 as geometric shapes

Circle

Radius = n
Diameter 56783218
Circumference 178389740.51599
Area 2.5323858811707E+15

Sphere

Radius = n
Volume 9.5864679700425E+22
Surface area 1.0129543524683E+16
Circumference 178389740.51599

Square

Length = n
Perimeter 113566436
Area 806083461608881
Diagonal 40151798.505394

Cube

Length = n
Surface area 4836500769653286
Volume 2.2886006463366E+22
Space diagonal 49175709.29663

Equilateral Triangle

Length = n
Perimeter 85174827
Area 3.4904437766189E+14
Altitude 24587854.648315

Triangular Pyramid

Length = n
Surface area 3.4904437766189E+14
Volume 2.6971417274209E+21
Height 13383932.835131