28397265 (number)

28397265 is an odd 8-digits composite number following 28397264 and preceding 28397266. In scientific notation, it is written as 2.8397265 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 13839360 positive integers (up to 28397265) that are relatively prime to 28397265.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand two hundred sixty-five

Notation

Scientific notation 2.8397265 × 10^7
Engineering notation 2.8397265 × 10^6

Prime Factorization of 28397265

Prime Factorization 15 × 13 × 107 × 1361

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28397265
Product of the distinct prime numbers

The prime factorization of 28397265 is 15 × 13 × 107 × 1361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 86, 37, 2, 835, 3322, 4769, 66376, 60770, 135270, 697140, 4054019, 87846, 29852010, 45329949, 369413537, 403034488, 5598864606, 9371427301

Basic calculations (n = 28397265)

Multiplication

n×y
n×2 56794530
n×3 85191795
n×4 113589060
n×5 141986325

Division

n÷y
n÷2 14198632.5
n÷3 9465755
n÷3 7099316.25
n÷5 5679453

Exponentiation

ny
n2 806404659480225
n3 2.2899686812495E+22
n4 6.5028847483142E+29
n5 1.8466414146234E+37

Nth Root

y√n
2√n 5328.908424809
3√n 305.08826613143
4√n 72.99937276997
5√n 30.949618698498

Divisors of 28397265

1, 13, 15, 107, 195, 1361, 1391, 1605, 17693, 20415, 20865, 145627, 265395, 1893151, 2184405, 28397265

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397265 can be divided by 16 positive divisors. The sum of these divisors (counting 28397265) is 1, the average is 0.0625.

Base conversion 28397265

Base System Value
2 Binary 1101100010100111011010001
3 Ternary 1222102201201120
4 Quaternary 1230110323101
5 Quinary 24232203030
6 Senary 2452352453
8 Octal 154247321
10 Decimal 28397265
12 Duodecimal 9615729
16 Hexadecimal 1b14ed1
20 Vigesimal 8h9d35
36 Base36 gwngx

Cryptographic Hash Functions

md5 f30d946584d0f3af5c1d93df5ecbbd98
sha1 f3b6bc303b4d9e5df18da5486f3bee8c07329251
sha256 83174d1c9a781018d232c2823b0f39a58739f4d50057cb9402dbdaa1fcc24eb4
sha512 af49863dd4bc63e098b1da82ccf465b436f050a4268e862fbf8dc2a88ee8c8f020fda1b3e9bb86d0c10987f4256810b5819b570afc7f03d5e90ff2056f98ea2a
ripemd-160 23e3bcdb50465f2c4801214d74c7207ebc47e53c

28397265 as geometric shapes

Circle

Radius = n
Diameter 56794530
Circumference 178425278.21209
Area 2.5333949540437E+15

Sphere

Radius = n
Volume 9.5921983812854E+22
Surface area 1.0133579816175E+16
Circumference 178425278.21209

Square

Length = n
Perimeter 113589060
Area 806404659480225
Diagonal 40159797.297303

Cube

Length = n
Surface area 4838427956881350
Volume 2.2899686812495E+22
Space diagonal 49185505.775997

Equilateral Triangle

Length = n
Perimeter 85191795
Area 3.4918346042001E+14
Altitude 24592752.887999

Triangular Pyramid

Length = n
Surface area 3.4918346042001E+14
Volume 2.6987539720272E+21
Height 13386599.099101