28391312 (number)

28391312 is an even 8-digits composite number following 28391311 and preceding 28391313. In scientific notation, it is written as 2.8391312 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 14023968 positive integers (up to 28391312) that are relatively prime to 28391312.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8391312 × 10^7
Engineering notation 2.8391312 × 10^6

Prime Factorization of 28391312

Prime Factorization 2 × 2 × 2 × 2 × 83 × 21379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3548914
Product of the distinct prime numbers

The prime factorization of 28391312 is 2 × 2 × 2 × 2 × 83 × 21379. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 4, 16, 8, 95, 936, 4127, 4700, 9033, 47269, 869881, 653507, 4366578, 3469785, 30118708, 91311628, 225069371, 652127279, 6051380111, 4568869668

Basic calculations (n = 28391312)

Multiplication

n×y
n×2 56782624
n×3 85173936
n×4 113565248
n×5 141956560

Division

n÷y
n÷2 14195656
n÷3 9463770.6666667
n÷3 7097828
n÷5 5678262.4

Exponentiation

ny
n2 806066597081344
n3 2.2885288250515E+22
n4 6.497433589303E+29
n5 1.8447066423318E+37

Nth Root

y√n
2√n 5328.3498383646
3√n 305.06694579919
4√n 72.995546702279
5√n 30.948320978232

Divisors of 28391312

1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21379, 42758, 85516, 171032, 342064, 1774457, 3548914, 7097828, 14195656, 28391312

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28391311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28391312 can be divided by 20 positive divisors. The sum of these divisors (counting 28391312) is 1, the average is 0.05.

Base conversion 28391312

Base System Value
2 Binary 1101100010011011110010000
3 Ternary 1222102102120002
4 Quaternary 1230103132100
5 Quinary 24232010222
6 Senary 2452305132
8 Octal 154233620
10 Decimal 28391312
12 Duodecimal 96121a8
16 Hexadecimal 1b13790
20 Vigesimal 8h8i5c
36 Base36 gwivk

Cryptographic Hash Functions

md5 0e753d8fdc93e4003175c0fcf037f94c
sha1 870992cac1900371d8199468a573bbb8d2e29a99
sha256 f74a192d1f291a6628dffc220cc6159b33b46bcf85d31e54258ed21f7a416bae
sha512 678968e4404c0f9cc966de03a64912a965c12610d08644cc77f00e9c7d98cd5de759d7f1537ff6717196ce216fb6cea5265708329fdd2361b22c563040e21197
ripemd-160 894b4bde80f27c29dade5e3bc83c81cc2e7d9359

28391312 as geometric shapes

Circle

Radius = n
Diameter 56782624
Circumference 178387874.40995
Area 2.5323328996949E+15

Sphere

Radius = n
Volume 9.5861671257469E+22
Surface area 1.0129331598779E+16
Circumference 178387874.40995

Square

Length = n
Perimeter 113565248
Area 806066597081344
Diagonal 40151378.483966

Cube

Length = n
Surface area 4836399582488064
Volume 2.2885288250515E+22
Space diagonal 49175194.87754

Equilateral Triangle

Length = n
Perimeter 85173936
Area 3.4903707510726E+14
Altitude 24587597.43877

Triangular Pyramid

Length = n
Surface area 3.4903707510726E+14
Volume 2.6970570852246E+21
Height 13383792.827989