28307768 (number)

28307768 is an even 8-digits composite number following 28307767 and preceding 28307769. In scientific notation, it is written as 2.8307768 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 13942368 positive integers (up to 28307768) that are relatively prime to 28307768.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seven thousand seven hundred sixty-eight

Notation

Scientific notation 2.8307768 × 10^7
Engineering notation 2.8307768 × 10^6

Prime Factorization of 28307768

Prime Factorization 2 × 2 × 2 × 67 × 52813

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7076942
Product of the distinct prime numbers

The prime factorization of 28307768 is 2 × 2 × 2 × 67 × 52813. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 1, 23, 74, 414, 547, 2478, 7439, 88507, 93324, 575197, 569537, 6488910, 1873748, 63255071, 24612060, 305954958, 285743099, 9695766728, 8266786464

Basic calculations (n = 28307768)

Multiplication

n×y
n×2 56615536
n×3 84923304
n×4 113231072
n×5 141538840

Division

n÷y
n÷2 14153884
n÷3 9435922.6666667
n÷3 7076942
n÷5 5661553.6

Exponentiation

ny
n2 801329729141824
n3 2.268385606405E+22
n4 6.4212933480651E+29
n5 1.8177248235697E+37

Nth Root

y√n
2√n 5320.5044873583
3√n 304.76742280126
4√n 72.941788347684
5√n 30.930085856209

Divisors of 28307768

1, 2, 4, 8, 67, 134, 268, 536, 52813, 105626, 211252, 422504, 3538471, 7076942, 14153884, 28307768

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 -28307767
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 28307768 can be divided by 16 positive divisors. The sum of these divisors (counting 28307768) is 1, the average is 0.0625.

Base conversion 28307768

Base System Value
2 Binary 1101011111111000100111000
3 Ternary 1222021011221212
4 Quaternary 1223333010320
5 Quinary 24221322033
6 Senary 2450422252
8 Octal 153770470
10 Decimal 28307768
12 Duodecimal 9591988
16 Hexadecimal 1aff138
20 Vigesimal 8gi988
36 Base36 guqew

Cryptographic Hash Functions

md5 c125edc3c5ebd7543310668017df32f3
sha1 1c9ab360f8f121290067044e07c59d640c7338a3
sha256 2f3899a35d2351055a7e2ffc1e3c1f3fc934eefed694b47abeac6cd275f2c355
sha512 4981dcaf7297b28f334493db0644ac489742c5a87dbca0a8403ade17b86fa9295c065ddb5b3c182154e3d71162c7e8dffb86cc4093cc919c523b7c32378c7b90
ripemd-160 325b3bbe4bf7cf9c36350ef794fc7d37de49ed9b

28307768 as geometric shapes

Circle

Radius = n
Diameter 56615536
Circumference 177862951.97665
Area 2.5174515901751E+15

Sphere

Radius = n
Volume 9.5017914087875E+22
Surface area 1.00698063607E+16
Circumference 177862951.97665

Square

Length = n
Perimeter 113231072
Area 801329729141824
Diagonal 40033229.426111

Cube

Length = n
Surface area 4807978374850944
Volume 2.268385606405E+22
Space diagonal 49030492.424872

Equilateral Triangle

Length = n
Perimeter 84923304
Area 3.4698595112226E+14
Altitude 24515246.212436

Triangular Pyramid

Length = n
Surface area 3.4698595112226E+14
Volume 2.6733180743915E+21
Height 13344409.808704