28291161 (number)

28291161 is an odd 8-digits composite number following 28291160 and preceding 28291162. In scientific notation, it is written as 2.8291161 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 18842112 positive integers (up to 28291161) that are relatively prime to 28291161.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand one hundred sixty-one

Notation

Scientific notation 2.8291161 × 10^7
Engineering notation 2.8291161 × 10^6

Prime Factorization of 28291161

Prime Factorization 3 × 1153 × 8179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291161
Product of the distinct prime numbers

The prime factorization of 28291161 is 3 × 1153 × 8179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291161)

Multiplication

n×y
n×2 56582322
n×3 84873483
n×4 113164644
n×5 141455805

Division

n÷y
n÷2 14145580.5
n÷3 9430387
n÷3 7072790.25
n÷5 5658232.2

Exponentiation

ny
n2 800389790727921
n3 2.264395643224E+22
n4 6.4062381710149E+29
n5 1.8123991550053E+37

Nth Root

y√n
2√n 5318.9435981217
3√n 304.70781298367
4√n 72.931088008624
5√n 30.926455923149

Divisors of 28291161

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 -28291160
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 28291161 can be divided by 8 positive divisors. The sum of these divisors (counting 28291161) is 1, the average is 0.125.

Base conversion 28291161

Base System Value
2 Binary 1101011111011000001011001
3 Ternary 1222020100011210
4 Quaternary 1223323001121
5 Quinary 24220304121
6 Senary 2450213333
8 Octal 153730131
10 Decimal 28291161
12 Duodecimal 9584249
16 Hexadecimal 1afb059
20 Vigesimal 8gg7i1
36 Base36 gudll

Cryptographic Hash Functions

md5 c6565f3a7f7adeaecdaba5fcafd725e8
sha1 4f60f883f12390dbf9831941da0eec6c46590a87
sha256 9b87c773df976f64a899bd74a270f878a975ad622f16fe98c16b94d88e0a6361
sha512 902e4ada636bc3648ba3a4a96dcf533ab36af75e97f9cb34d895089fc8c59a6104830214b4f8a97d1dfaaf9997017268a3be0377a58a2ac9e8164fafabd75f72
ripemd-160 70ae0f31b8a9fc3a7817e434666b8ec2ff2f4f7b

28291161 as geometric shapes

Circle

Radius = n
Diameter 56582322
Circumference 177758607.11825
Area 2.5144986865591E+15

Sphere

Radius = n
Volume 9.4850782900976E+22
Surface area 1.0057994746236E+16
Circumference 177758607.11825

Square

Length = n
Perimeter 113164644
Area 800389790727921
Diagonal 40009743.581481

Cube

Length = n
Surface area 4802338744367526
Volume 2.264395643224E+22
Space diagonal 49001728.257111

Equilateral Triangle

Length = n
Perimeter 84873483
Area 3.4657894585005E+14
Altitude 24500864.128556

Triangular Pyramid

Length = n
Surface area 3.4657894585005E+14
Volume 2.6686158576883E+21
Height 13336581.193827