28231689 (number)

28231689 is an odd 8-digits composite number following 28231688 and preceding 28231690. In scientific notation, it is written as 2.8231689 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 18821124 positive integers (up to 28231689) that are relatively prime to 28231689.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-one thousand six hundred eighty-nine

Notation

Scientific notation 2.8231689 × 10^7
Engineering notation 2.8231689 × 10^6

Prime Factorization of 28231689

Prime Factorization 3 × 9410563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28231689
Product of the distinct prime numbers

The prime factorization of 28231689 is 3 × 9410563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28231689)

Multiplication

n×y
n×2 56463378
n×3 84695067
n×4 112926756
n×5 141158445

Division

n÷y
n÷2 14115844.5
n÷3 9410563
n÷3 7057922.25
n÷5 5646337.8

Exponentiation

ny
n2 797028263792721
n3 2.2501454067606E+22
n4 6.3525405328444E+29
n5 1.7934294868316E+37

Nth Root

y√n
2√n 5313.3500731648
3√n 304.49415030245
4√n 72.892729906108
5√n 30.913442624105

Divisors of 28231689

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 -28231688
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 28231689 can be divided by 4 positive divisors. The sum of these divisors (counting 28231689) is 1, the average is 0.25.

Base conversion 28231689

Base System Value
2 Binary 1101011101100100000001001
3 Ternary 1222010022121010
4 Quaternary 1223230200021
5 Quinary 24211403224
6 Senary 2445034133
8 Octal 153544011
10 Decimal 28231689
12 Duodecimal 9555949
16 Hexadecimal 1aec809
20 Vigesimal 8g8j49
36 Base36 gt3pl

Cryptographic Hash Functions

md5 20d873340fe368dfe2e6def2eaf10d85
sha1 368357d6b7b807b7480bb87273444b20f91615ea
sha256 61cd104f4d35f5bfa5b215f4d9f7c37e52b70ea6f08fbba289d404228cdb89e7
sha512 fcaeca1439781225a57265d159ad1c1ef313b415a4ec198c82e0699bbaed0937b8673f3f8432a55df34a7f5439dd33147319f239148de583dd289cdf4374bd57
ripemd-160 6a3a61ca7c9b82e8aa856e9497f46f2fcf1dcbb1

28231689 as geometric shapes

Circle

Radius = n
Diameter 56463378
Circumference 177384933.52166
Area 2.5039381382346E+15

Sphere

Radius = n
Volume 9.4253870391839E+22
Surface area 1.0015752552939E+16
Circumference 177384933.52166

Square

Length = n
Perimeter 112926756
Area 797028263792721
Diagonal 39925637.472499

Cube

Length = n
Surface area 4782169582756326
Volume 2.2501454067606E+22
Space diagonal 48898719.731483

Equilateral Triangle

Length = n
Perimeter 84695067
Area 3.4512336198935E+14
Altitude 24449359.865742

Triangular Pyramid

Length = n
Surface area 3.4512336198935E+14
Volume 2.6518217929603E+21
Height 13308545.824166