28931159 (number)

28931159 is an odd 8-digits composite number following 28931158 and preceding 28931160. In scientific notation, it is written as 2.8931159 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 28897440 positive integers (up to 28931159) that are relatively prime to 28931159.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand one hundred fifty-nine

Notation

Scientific notation 2.8931159 × 10^7
Engineering notation 2.8931159 × 10^6

Prime Factorization of 28931159

Prime Factorization 881 × 32839

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28931159
Product of the distinct prime numbers

The prime factorization of 28931159 is 881 × 32839. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931159)

Multiplication

n×y
n×2 57862318
n×3 86793477
n×4 115724636
n×5 144655795

Division

n÷y
n÷2 14465579.5
n÷3 9643719.6666667
n÷3 7232789.75
n÷5 5786231.8

Exponentiation

ny
n2 837011961083281
n3 2.4215726131002E+22
n4 7.0058902299648E+29
n5 2.0268852417966E+37

Nth Root

y√n
2√n 5378.7692830238
3√n 306.98838493689
4√n 73.340093284804
5√n 31.065129359842

Divisors of 28931159

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 -28931158
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 28931159 can be divided by 4 positive divisors. The sum of these divisors (counting 28931159) is 1, the average is 0.25.

Base conversion 28931159

Base System Value
2 Binary 1101110010111010001010111
3 Ternary 2000102212002102
4 Quaternary 1232113101113
5 Quinary 24401244114
6 Senary 2512032315
8 Octal 156272127
10 Decimal 28931159
12 Duodecimal 983269b
16 Hexadecimal 1b97457
20 Vigesimal 90g7hj
36 Base36 h83fb

Cryptographic Hash Functions

md5 632e32b56fdd92f43569f176b8a5e90b
sha1 e615fd4c33123570cd67f24e882d0b14117d161b
sha256 3f465aba09574b5491be73c10ba179dd68430a4f217b41462dc5c60368f603e3
sha512 bdeca89a9ab01d652e2f60e5f58b37b966c5b715154b51d26ab233614e362c5be43d17e1a318908577be8642c8c92e12463c82f4053f146955645fbf44968667
ripemd-160 f6c3ba29d6cf3dc29d3240f30f3dd06690718718

28931159 as geometric shapes

Circle

Radius = n
Diameter 57862318
Circumference 181779833.14848
Area 2.629550627906E+15

Sphere

Radius = n
Volume 1.0143459641933E+23
Surface area 1.0518202511624E+16
Circumference 181779833.14848

Square

Length = n
Perimeter 115724636
Area 837011961083281
Diagonal 40914837.432972

Cube

Length = n
Surface area 5022071766499686
Volume 2.4215726131002E+22
Space diagonal 50110237.309854

Equilateral Triangle

Length = n
Perimeter 86793477
Area 3.6243681078478E+14
Altitude 25055118.654927

Triangular Pyramid

Length = n
Surface area 3.6243681078478E+14
Volume 2.853850693098E+21
Height 13638279.144324