28991569 (number)

28991569 is an odd 8-digits composite number following 28991568 and preceding 28991570. In scientific notation, it is written as 2.8991569 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 27681456 positive integers (up to 28991569) that are relatively prime to 28991569.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand five hundred sixty-nine

Notation

Scientific notation 2.8991569 × 10^7
Engineering notation 2.8991569 × 10^6

Prime Factorization of 28991569

Prime Factorization 1019 × 23 × 1237

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28991569
Product of the distinct prime numbers

The prime factorization of 28991569 is 1019 × 23 × 1237. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991569)

Multiplication

n×y
n×2 57983138
n×3 86974707
n×4 115966276
n×5 144957845

Division

n÷y
n÷2 14495784.5
n÷3 9663856.3333333
n÷3 7247892.25
n÷5 5798313.8

Exponentiation

ny
n2 840511073081761
n3 2.4367734770514E+22
n4 7.0645886397305E+29
n5 2.0481350900536E+37

Nth Root

y√n
2√n 5384.3819515335
3√n 307.20190646083
4√n 73.378347974955
5√n 31.078091709583

Divisors of 28991569

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991568
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991569 can be divided by 8 positive divisors. The sum of these divisors (counting 28991569) is 1, the average is 0.125.

Base conversion 28991569

Base System Value
2 Binary 1101110100110000001010001
3 Ternary 2000112220221211
4 Quaternary 1232212001101
5 Quinary 24410212234
6 Senary 2513220121
8 Octal 156460121
10 Decimal 28991569
12 Duodecimal 9861641
16 Hexadecimal 1ba6051
20 Vigesimal 913ii9
36 Base36 h9e1d

Cryptographic Hash Functions

md5 ec24a55d6a49575e9f6fdad951397ee1
sha1 9a3faf124f4f1c94bcdd45790987da71c8e371f8
sha256 b3cec407a1f36ad282d68fa284cff497f6b02aac0ed4735a995e32427c295416
sha512 05633dbe9ac23f231bd9997eca0543baa6c3cf8c876aaf4994c8d644093d9da36da10724190816f636e420f0ffa104f4b4b5e810636770ead4be71891b201fa0
ripemd-160 7ba2bc4650432bb50b74dd3f9f164661ac6c3424

28991569 as geometric shapes

Circle

Radius = n
Diameter 57983138
Circumference 182159400.37288
Area 2.6405434124545E+15

Sphere

Radius = n
Volume 1.0207132871956E+23
Surface area 1.0562173649818E+16
Circumference 182159400.37288

Square

Length = n
Perimeter 115966276
Area 840511073081761
Diagonal 41000270.074275

Cube

Length = n
Surface area 5043066438490566
Volume 2.4367734770514E+22
Space diagonal 50214870.499139

Equilateral Triangle

Length = n
Perimeter 86974707
Area 3.6395197072546E+14
Altitude 25107435.249569

Triangular Pyramid

Length = n
Surface area 3.6395197072546E+14
Volume 2.8717650830643E+21
Height 13666756.691425