28397844 (number)

28397844 is an even 8-digits composite number following 28397843 and preceding 28397845. In scientific notation, it is written as 2.8397844 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 9138528 positive integers (up to 28397844) that are relatively prime to 28397844.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand eight hundred forty-four

Notation

Scientific notation 2.8397844 × 10^7
Engineering notation 2.8397844 × 10^6

Prime Factorization of 28397844

Prime Factorization 2 × 2 × 27 × 29 × 9067

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14198922
Product of the distinct prime numbers

The prime factorization of 28397844 is 2 × 2 × 27 × 29 × 9067. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 87, 51, 398, 297, 3281, 6430, 51127, 6773, 139516, 18665, 7248666, 5336984, 66358753, 58520006, 348123956, 289272202, 7298960776, 4752669864

Basic calculations (n = 28397844)

Multiplication

n×y
n×2 56795688
n×3 85193532
n×4 113591376
n×5 141989220

Division

n÷y
n÷2 14198922
n÷3 9465948
n÷3 7099461
n÷5 5679568.8

Exponentiation

ny
n2 806437543848336
n3 2.2901087565948E+22
n4 6.5034151212814E+29
n5 1.8468296808139E+37

Nth Root

y√n
2√n 5328.962750855
3√n 305.09033962813
4√n 72.999744868424
5√n 30.949744905603

Divisors of 28397844

1, 2, 4, 27, 29, 54, 58, 108, 116, 783, 1566, 3132, 9067, 18134, 36268, 244809, 262943, 489618, 525886, 979236, 1051772, 7099461, 14198922, 28397844

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397844 can be divided by 24 positive divisors. The sum of these divisors (counting 28397844) is 1, the average is 0.041666666666667.

Base conversion 28397844

Base System Value
2 Binary 1101100010101000100010100
3 Ternary 1222102202112000
4 Quaternary 1230111010110
5 Quinary 24232212334
6 Senary 2452355300
8 Octal 154250424
10 Decimal 28397844
12 Duodecimal 9615b30
16 Hexadecimal 1b15114
20 Vigesimal 8h9ec4
36 Base36 gwnx0

Cryptographic Hash Functions

md5 76028f84e2af9f05b5fc08fa733ac862
sha1 00810f6a7eff47f7356f2253bc8dc81a919fe5b5
sha256 8a8504ac5bcb605dff7ea198b6144ab1aadb38c346334a33b42f1443e3bf1594
sha512 bf8e8592a19e37302b7807fd79b2d70ba58facc8a0911746b4d997722589f7d1474863bea162d932fedf09a7ecceecc8350a4e9a1060402561a0ff27cb7ee862
ripemd-160 0ce12ff5b114d9ddb32fe6da155253676046cda1

28397844 as geometric shapes

Circle

Radius = n
Diameter 56795688
Circumference 178428916.17638
Area 2.5334982633329E+15

Sphere

Radius = n
Volume 9.5927851275199E+22
Surface area 1.0133993053332E+16
Circumference 178428916.17638

Square

Length = n
Perimeter 113591376
Area 806437543848336
Diagonal 40160616.126955

Cube

Length = n
Surface area 4838625263090016
Volume 2.2901087565948E+22
Space diagonal 49186508.633415

Equilateral Triangle

Length = n
Perimeter 85193532
Area 3.4919769976909E+14
Altitude 24593254.316707

Triangular Pyramid

Length = n
Surface area 3.4919769976909E+14
Volume 2.6989190524048E+21
Height 13386872.042318