28391311 (number)

28391311 is an odd 8-digits composite number following 28391310 and preceding 28391312. In scientific notation, it is written as 2.8391311 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 25567680 positive integers (up to 28391311) that are relatively prime to 28391311.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand three hundred eleven

Notation

Scientific notation 2.8391311 × 10^7
Engineering notation 2.8391311 × 10^6

Prime Factorization of 28391311

Prime Factorization 13 × 41 × 53267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28391311
Product of the distinct prime numbers

The prime factorization of 28391311 is 13 × 41 × 53267. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28391311)

Multiplication

n×y
n×2 56782622
n×3 85173933
n×4 113565244
n×5 141956555

Division

n÷y
n÷2 14195655.5
n÷3 9463770.3333333
n÷3 7097827.75
n÷5 5678262.2

Exponentiation

ny
n2 806066540298721
n3 2.2885285832315E+22
n4 6.4974326738915E+29
n5 1.8447063174602E+37

Nth Root

y√n
2√n 5328.3497445269
3√n 305.06694221749
4√n 72.995546059516
5√n 30.94832076022

Divisors of 28391311

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 -28391310
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 28391311 can be divided by 8 positive divisors. The sum of these divisors (counting 28391311) is 1, the average is 0.125.

Base conversion 28391311

Base System Value
2 Binary 1101100010011011110001111
3 Ternary 1222102102120001
4 Quaternary 1230103132033
5 Quinary 24232010221
6 Senary 2452305131
8 Octal 154233617
10 Decimal 28391311
12 Duodecimal 96121a7
16 Hexadecimal 1b1378f
20 Vigesimal 8h8i5b
36 Base36 gwivj

Cryptographic Hash Functions

md5 559f5e00f65f430a9b266feac90e2c7c
sha1 0d449c1315946e0fa49dfaa1cda1de4cda4b81dc
sha256 2476cc9190f2e25ec4ee2209e7d43cdda87920d44fa770fa35cde685f5cf4d81
sha512 d38c5496d39f54e2bc385113f8fcdc32875325e0e0216f8e57fb8686adbb45831d62e91eaba3556d6f3dfab0215d1f82430b80805bc2185f8e7e38d092477a3e
ripemd-160 d3b8bf0d8b5cc3fa245fea3c18522e38496f9ec4

28391311 as geometric shapes

Circle

Radius = n
Diameter 56782622
Circumference 178387868.12677
Area 2.532332721307E+15

Sphere

Radius = n
Volume 9.5861661128138E+22
Surface area 1.0129330885228E+16
Circumference 178387868.12677

Square

Length = n
Perimeter 113565244
Area 806066540298721
Diagonal 40151377.069752

Cube

Length = n
Surface area 4836399241792326
Volume 2.2885285832315E+22
Space diagonal 49175193.145489

Equilateral Triangle

Length = n
Perimeter 85173933
Area 3.4903705051966E+14
Altitude 24587596.572745

Triangular Pyramid

Length = n
Surface area 3.4903705051966E+14
Volume 2.6970568002371E+21
Height 13383792.356584