28298491 (number)

28298491 is an odd 8-digits composite number following 28298490 and preceding 28298492. In scientific notation, it is written as 2.8298491 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 26121672 positive integers (up to 28298491) that are relatively prime to 28298491.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-eight thousand four hundred ninety-one

Notation

Scientific notation 2.8298491 × 10^7
Engineering notation 2.8298491 × 10^6

Prime Factorization of 28298491

Prime Factorization 13 × 2176807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28298491
Product of the distinct prime numbers

The prime factorization of 28298491 is 13 × 2176807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28298491)

Multiplication

n×y
n×2 56596982
n×3 84895473
n×4 113193964
n×5 141492455

Division

n÷y
n÷2 14149245.5
n÷3 9432830.3333333
n÷3 7074622.75
n÷5 5659698.2

Exponentiation

ny
n2 800804592877081
n3 2.2661561564291E+22
n4 6.4128799597303E+29
n5 1.8147482582451E+37

Nth Root

y√n
2√n 5319.6326000956
3√n 304.73412644842
4√n 72.93581150639
5√n 30.928058313606

Divisors of 28298491

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 -28298490
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 28298491 can be divided by 4 positive divisors. The sum of these divisors (counting 28298491) is 1, the average is 0.25.

Base conversion 28298491

Base System Value
2 Binary 1101011111100110011111011
3 Ternary 1222020201020021
4 Quaternary 1223330303323
5 Quinary 24221022431
6 Senary 2450311311
8 Octal 153746373
10 Decimal 28298491
12 Duodecimal 9588537
16 Hexadecimal 1afccfb
20 Vigesimal 8gh64b
36 Base36 guj97

Cryptographic Hash Functions

md5 bd79c8defe66f04e629a919f8d9f7491
sha1 51c8c5d541c5bdf3450796ed3c519be3519b34a9
sha256 825275e3f7cb4837e10ad07befecd174465ad21e763a666059e873171f270175
sha512 9158aad858ccee521ec7a04b8ef5d0eac12f90ed51621b6f4edf2ed01710046637cf273df5cd65be2c4749cd314de24ada59488884b9fd91d3574230c4afaf54
ripemd-160 1c2e14f8e435c8df1b64042c8c39cd2092b02cfd

28298491 as geometric shapes

Circle

Radius = n
Diameter 56596982
Circumference 177804662.86655
Area 2.5158018259436E+15

Sphere

Radius = n
Volume 9.4924527105665E+22
Surface area 1.0063207303774E+16
Circumference 177804662.86655

Square

Length = n
Perimeter 113193964
Area 800804592877081
Diagonal 40020109.766893

Cube

Length = n
Surface area 4804827557262486
Volume 2.2661561564291E+22
Space diagonal 49014424.189531

Equilateral Triangle

Length = n
Perimeter 84895473
Area 3.467585604494E+14
Altitude 24507212.094765

Triangular Pyramid

Length = n
Surface area 3.467585604494E+14
Volume 2.6706906423977E+21
Height 13340036.588964