28931144 (number)

28931144 is an even 8-digits composite number following 28931143 and preceding 28931145. In scientific notation, it is written as 2.8931144 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 12175360 positive integers (up to 28931144) that are relatively prime to 28931144.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand one hundred forty-four

Notation

Scientific notation 2.8931144 × 10^7
Engineering notation 2.8931144 × 10^6

Prime Factorization of 28931144

Prime Factorization 2 × 2 × 2 × 83 × 187 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7232786
Product of the distinct prime numbers

The prime factorization of 28931144 is 2 × 2 × 2 × 83 × 187 × 233. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931144)

Multiplication

n×y
n×2 57862288
n×3 86793432
n×4 115724576
n×5 144655720

Division

n÷y
n÷2 14465572
n÷3 9643714.6666667
n÷3 7232786
n÷5 5786228.8

Exponentiation

ny
n2 837011093148736
n3 2.4215688465483E+22
n4 7.0058757005404E+29
n5 2.0268799873844E+37

Nth Root

y√n
2√n 5378.7678886526
3√n 306.9883318819
4√n 73.340083778603
5√n 31.065126138561

Divisors of 28931144

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931143
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931144 can be divided by 32 positive divisors. The sum of these divisors (counting 28931144) is 1, the average is 0.03125.

Base conversion 28931144

Base System Value
2 Binary 1101110010111010001001000
3 Ternary 2000102212001212
4 Quaternary 1232113101020
5 Quinary 24401244034
6 Senary 2512032252
8 Octal 156272110
10 Decimal 28931144
12 Duodecimal 9832688
16 Hexadecimal 1b97448
20 Vigesimal 90g7h4
36 Base36 h83ew

Cryptographic Hash Functions

md5 db887ffef16887c73bcd677c316a92ef
sha1 3ef6c9c7dde3a5f80b3555e1fa20079c123edb6b
sha256 0225f24d6d676901af109356c4052d47ea414c4c15042dcd72ddd650ff745dc1
sha512 d692829dc4cddea79f43d7212751fc53c1d264ce2dc582624c881b7e821fcbe7de0228efd700e1f9df1f6b2ef1f001d3846985a6545f1edc13548ab8819cfe65
ripemd-160 e28028f3331a3875a67e83222f3036db15a379bd

28931144 as geometric shapes

Circle

Radius = n
Diameter 57862288
Circumference 181779738.9007
Area 2.6295479012092E+15

Sphere

Radius = n
Volume 1.0143443864638E+23
Surface area 1.0518191604837E+16
Circumference 181779738.9007

Square

Length = n
Perimeter 115724576
Area 837011093148736
Diagonal 40914816.219769

Cube

Length = n
Surface area 5022066558892416
Volume 2.4215688465483E+22
Space diagonal 50110211.329091

Equilateral Triangle

Length = n
Perimeter 86793432
Area 3.6243643495809E+14
Altitude 25055105.664546

Triangular Pyramid

Length = n
Surface area 3.6243643495809E+14
Volume 2.853846254174E+21
Height 13638272.073256