28281312 (number)

28281312 is an even 8-digits composite number following 28281311 and preceding 28281313. In scientific notation, it is written as 2.8281312 × 10^7. The sum of its digits is 27. It has a total of 10 prime factors and 72 positive divisors. There are 9424512 positive integers (up to 28281312) that are relatively prime to 28281312.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-one thousand three hundred twelve

Notation

Scientific notation 2.8281312 × 10^7
Engineering notation 2.8281312 × 10^6

Prime Factorization of 28281312

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 9 × 3 × 3 × 3637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 196398
Product of the distinct prime numbers

The prime factorization of 28281312 is 2 × 2 × 2 × 2 × 2 × 3 × 9 × 3 × 3 × 3637. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28281312)

Multiplication

n×y
n×2 56562624
n×3 84843936
n×4 113125248
n×5 141406560

Division

n÷y
n÷2 14140656
n÷3 9427104
n÷3 7070328
n÷5 5656262.4

Exponentiation

ny
n2 799832608441344
n3 2.2620315547103E+22
n4 6.3973220152608E+29
n5 1.8092465987806E+37

Nth Root

y√n
2√n 5318.0176757886
3√n 304.6724495761
4√n 72.924739806108
5√n 30.924302338228

Divisors of 28281312

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28281311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28281312 can be divided by 72 positive divisors. The sum of these divisors (counting 28281312) is 1, the average is 0.013888888888889.

Base conversion 28281312

Base System Value
2 Binary 1101011111000100111100000
3 Ternary 1222012211200000
4 Quaternary 1223320213200
5 Quinary 24220000222
6 Senary 2450100000
8 Octal 153704740
10 Decimal 28281312
12 Duodecimal 957a600
16 Hexadecimal 1af89e0
20 Vigesimal 8gf35c
36 Base36 gu600

Cryptographic Hash Functions

md5 c64d52bab0598118615936a395e44119
sha1 8a8138a710e3f0d8eaf9c2b007135881c83d97ae
sha256 e31cca45b60aec491002bf55cdac740dcefb4f683c721580df3cf8f1c6c21455
sha512 608bd785280535ad78610a2b1fcaa5fa3f74897490c1ec1d794acb7cf30f6c486fab953252ec8d4ff5ba86c59981860fb82cefac018476805e83f4cbd44eff9b
ripemd-160 d91e7856e3ebc426f8a201c40580e505a1dfa665

28281312 as geometric shapes

Circle

Radius = n
Diameter 56562624
Circumference 177696724.02616
Area 2.5127482467809E+15

Sphere

Radius = n
Volume 9.4751756192884E+22
Surface area 1.0050992987124E+16
Circumference 177696724.02616

Square

Length = n
Perimeter 113125248
Area 799832608441344
Diagonal 39995814.992105

Cube

Length = n
Surface area 4798995650648064
Volume 2.2620315547103E+22
Space diagonal 48984669.288707

Equilateral Triangle

Length = n
Perimeter 84843936
Area 3.4633767884269E+14
Altitude 24492334.644354

Triangular Pyramid

Length = n
Surface area 3.4633767884269E+14
Volume 2.6658297526561E+21
Height 13331938.330702