28298281 (number)

28298281 is an odd 8-digits composite number following 28298280 and preceding 28298282. In scientific notation, it is written as 2.8298281 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 25470000 positive integers (up to 28298281) that are relatively prime to 28298281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8298281 × 10^7
Engineering notation 2.8298281 × 10^6

Prime Factorization of 28298281

Prime Factorization 11 × 101 × 25471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28298281
Product of the distinct prime numbers

The prime factorization of 28298281 is 11 × 101 × 25471. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 98, 80, 951, 38, 3814, 5889, 83714, 40389, 349754, 397778, 1946979, 1838353, 10629489, 46061130, 779883338, 469464269, 4610049924, 9017516507

Basic calculations (n = 28298281)

Multiplication

n×y
n×2 56596562
n×3 84894843
n×4 113193124
n×5 141491405

Division

n÷y
n÷2 14149140.5
n÷3 9432760.3333333
n÷3 7074570.25
n÷5 5659656.2

Exponentiation

ny
n2 800792707554961
n3 2.2661057061141E+22
n4 6.4126896047321E+29
n5 1.8146809240049E+37

Nth Root

y√n
2√n 5319.6128618538
3√n 304.73337264704
4√n 72.935676193847
5√n 30.928012410724

Divisors of 28298281

1, 11, 101, 1111, 25471, 280181, 2572571, 28298281

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28298280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28298281 can be divided by 8 positive divisors. The sum of these divisors (counting 28298281) is 1, the average is 0.125.

Base conversion 28298281

Base System Value
2 Binary 1101011111100110000101001
3 Ternary 1222020200221111
4 Quaternary 1223330300221
5 Quinary 24221021111
6 Senary 2450310321
8 Octal 153746051
10 Decimal 28298281
12 Duodecimal 95883a1
16 Hexadecimal 1afcc29
20 Vigesimal 8gh5e1
36 Base36 guj3d

Cryptographic Hash Functions

md5 5bb19358b40020ef2d7129c279440adb
sha1 c4eb894a42effffec33735adfa06d0b97a544f77
sha256 46af8ff1b6a700da326c972838df7613f205fe0d7a360fa2b98eeb10cc9ecf8f
sha512 6a0ec983e497a5365bb512b49e9145db45032b9a061ea2f3ee718972eac432d3a48604cb6ace762df2b8930bc9a28525fbe363084711eb9b86138b0329f98db9
ripemd-160 a4d2c76e57600efdcb64d4a4ff05c126f151a7a4

28298281 as geometric shapes

Circle

Radius = n
Diameter 56596562
Circumference 177803343.39764
Area 2.5157644871029E+15

Sphere

Radius = n
Volume 9.4922413847813E+22
Surface area 1.0063057948412E+16
Circumference 177803343.39764

Square

Length = n
Perimeter 113193124
Area 800792707554961
Diagonal 40019812.782045

Cube

Length = n
Surface area 4804756245329766
Volume 2.2661057061141E+22
Space diagonal 49014060.458861

Equilateral Triangle

Length = n
Perimeter 84894843
Area 3.4675341395396E+14
Altitude 24507030.229431

Triangular Pyramid

Length = n
Surface area 3.4675341395396E+14
Volume 2.6706311861314E+21
Height 13339937.594015