28991017 (number)

28991017 is an odd 8-digits composite number following 28991016 and preceding 28991018. In scientific notation, it is written as 2.8991017 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors. There are 23094720 positive integers (up to 28991017) that are relatively prime to 28991017.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand seventeen

Notation

Scientific notation 2.8991017 × 10^7
Engineering notation 2.8991017 × 10^6

Prime Factorization of 28991017

Prime Factorization 11 × 19 × 23 × 37 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28991017
Product of the distinct prime numbers

The prime factorization of 28991017 is 11 × 19 × 23 × 37 × 163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991017)

Multiplication

n×y
n×2 57982034
n×3 86973051
n×4 115964068
n×5 144955085

Division

n÷y
n÷2 14495508.5
n÷3 9663672.3333333
n÷3 7247754.25
n÷5 5798203.4

Exponentiation

ny
n2 840479066694289
n3 2.4366342910678E+22
n4 7.064050615513E+29
n5 2.047940114832E+37

Nth Root

y√n
2√n 5384.3306919245
3√n 307.1999567385
4√n 73.377998691191
5√n 31.077973363196

Divisors of 28991017

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 -28991016
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 28991017 can be divided by 32 positive divisors. The sum of these divisors (counting 28991017) is 1, the average is 0.03125.

Base conversion 28991017

Base System Value
2 Binary 1101110100101111000101001
3 Ternary 2000112220012101
4 Quaternary 1232211320221
5 Quinary 24410203032
6 Senary 2513213401
8 Octal 156457051
10 Decimal 28991017
12 Duodecimal 9861261
16 Hexadecimal 1ba5e29
20 Vigesimal 913hah
36 Base36 h9dm1

Cryptographic Hash Functions

md5 96b710638e48b755c263db3c2a88c59d
sha1 af829988a77637d87912db5caff4be0736e9d134
sha256 fd9c7d0add76f2ef380086babb238fe0172eb88d8b6a815bd2990644a2e63f32
sha512 0bec74221af42db8575192374f0371825ce6227800c876a84568c331a4f008afaba66ea27dc4455cf318fcf9ee0263392429dca8f677f457c831c6656eb19b22
ripemd-160 e8f85c6b03669ef48e9d731ed35eb0264d03d773

28991017 as geometric shapes

Circle

Radius = n
Diameter 57982034
Circumference 182155932.05459
Area 2.6404428614228E+15

Sphere

Radius = n
Volume 1.0206549851072E+23
Surface area 1.0561771445691E+16
Circumference 182155932.05459

Square

Length = n
Perimeter 115964068
Area 840479066694289
Diagonal 40999489.428389

Cube

Length = n
Surface area 5042874400165734
Volume 2.4366342910678E+22
Space diagonal 50213914.407093

Equilateral Triangle

Length = n
Perimeter 86973051
Area 3.6393811155314E+14
Altitude 25106957.203547

Triangular Pyramid

Length = n
Surface area 3.6393811155314E+14
Volume 2.8716010508096E+21
Height 13666496.47613