28397321 (number)

28397321 is an odd 8-digits composite number following 28397320 and preceding 28397322. In scientific notation, it is written as 2.8397321 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 28360452 positive integers (up to 28397321) that are relatively prime to 28397321.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand three hundred twenty-one

Notation

Scientific notation 2.8397321 × 10^7
Engineering notation 2.8397321 × 10^6

Prime Factorization of 28397321

Prime Factorization 787 × 36083

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28397321
Product of the distinct prime numbers

The prime factorization of 28397321 is 787 × 36083. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 65, 59, 391, 563, 7744, 6924, 43339, 52020, 10235, 455690, 4873790, 2603119, 24757874, 10728501, 874841021, 619574398, 5741265880, 707532090

Basic calculations (n = 28397321)

Multiplication

n×y
n×2 56794642
n×3 85191963
n×4 113589284
n×5 141986605

Division

n÷y
n÷2 14198660.5
n÷3 9465773.6666667
n÷3 7099330.25
n÷5 5679464.2

Exponentiation

ny
n2 806407839977041
n3 2.2899822288745E+22
n4 6.5029360437644E+29
n5 1.8466596227725E+37

Nth Root

y√n
2√n 5328.9136791658
3√n 305.08846667811
4√n 72.999408759015
5√n 30.949630905147

Divisors of 28397321

1, 787, 36083, 28397321

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397320
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397321 can be divided by 4 positive divisors. The sum of these divisors (counting 28397321) is 1, the average is 0.25.

Base conversion 28397321

Base System Value
2 Binary 1101100010100111100001001
3 Ternary 1222102201210122
4 Quaternary 1230110330021
5 Quinary 24232203241
6 Senary 2452353025
8 Octal 154247411
10 Decimal 28397321
12 Duodecimal 9615775
16 Hexadecimal 1b14f09
20 Vigesimal 8h9d61
36 Base36 gwnih

Cryptographic Hash Functions

md5 176c9c168254c63b12986282e51b5a8a
sha1 96c60cdc1ce69c77e54b4e8934620bb1280d3a85
sha256 0936e9994ca6e585cf4188ddfc59ba19e0f8300684b87b86f416be87fc7266b2
sha512 40e9a1ef614b187a5f76584baf477c8e0bc66992b5c5f36495eae939e86a3cd6de0dca2ea9ef653857a5dacd933faf27553fe9290d3b072a847895a66170ed0b
ripemd-160 1a5a095b2d788d0f0bb3fd684076990b16cd44be

28397321 as geometric shapes

Circle

Radius = n
Diameter 56794642
Circumference 178425630.07046
Area 2.5334049458691E+15

Sphere

Radius = n
Volume 9.5922551294443E+22
Surface area 1.0133619783476E+16
Circumference 178425630.07046

Square

Length = n
Perimeter 113589284
Area 806407839977041
Diagonal 40159876.493262

Cube

Length = n
Surface area 4838447039862246
Volume 2.2899822288745E+22
Space diagonal 49185602.770843

Equilateral Triangle

Length = n
Perimeter 85191963
Area 3.4918483761553E+14
Altitude 24592801.385421

Triangular Pyramid

Length = n
Surface area 3.4918483761553E+14
Volume 2.6987699380564E+21
Height 13386625.497754