28161761 (number)

28161761 is an odd 8-digits composite number following 28161760 and preceding 28161762. In scientific notation, it is written as 2.8161761 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28138752 positive integers (up to 28161761) that are relatively prime to 28161761.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand seven hundred sixty-one

Notation

Scientific notation 2.8161761 × 10^7
Engineering notation 2.8161761 × 10^6

Prime Factorization of 28161761

Prime Factorization 1297 × 21713

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28161761
Product of the distinct prime numbers

The prime factorization of 28161761 is 1297 × 21713. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161761)

Multiplication

n×y
n×2 56323522
n×3 84485283
n×4 112647044
n×5 140808805

Division

n÷y
n÷2 14080880.5
n÷3 9387253.6666667
n÷3 7040440.25
n÷5 5632352.2

Exponentiation

ny
n2 793084782621121
n3 2.2334664100913E+22
n4 6.2898347242519E+29
n5 1.7713282223388E+37

Nth Root

y√n
2√n 5306.7655874365
3√n 304.2425385841
4√n 72.847550318706
5√n 30.898113323943

Divisors of 28161761

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 -28161760
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 28161761 can be divided by 4 positive divisors. The sum of these divisors (counting 28161761) is 1, the average is 0.25.

Base conversion 28161761

Base System Value
2 Binary 1101011011011011011100001
3 Ternary 1221222202200012
4 Quaternary 1223123123201
5 Quinary 24202134021
6 Senary 2443334305
8 Octal 153333341
10 Decimal 28161761
12 Duodecimal 9521395
16 Hexadecimal 1adb6e1
20 Vigesimal 8g0481
36 Base36 grlr5

Cryptographic Hash Functions

md5 eb9c29b7ba9e680d39f0a7df5eca6f70
sha1 90f49d21e68912a1f56de9d8ddcc2ff81dcac2a5
sha256 53dc8ba1c938bcb33cada3d92af8d3f1f5c7e55ff1dec9b4352f3a08f417c096
sha512 e12457b9168d7fb81551727f59d1bd8339994cad5085104177ef3f4a5c4be3c2799a0d9bf4ee30a9443ec8843db7fc73f040942b9b5bb96177f2e48d7a1b4004
ripemd-160 bf23ef987b17c78d952de027434a6139eef9b043

28161761 as geometric shapes

Circle

Radius = n
Diameter 56323522
Circumference 176945562.9395
Area 2.4915493267564E+15

Sphere

Radius = n
Volume 9.3555222213098E+22
Surface area 9.9661973070255E+15
Circumference 176945562.9395

Square

Length = n
Perimeter 112647044
Area 793084782621121
Diagonal 39826744.34651

Cube

Length = n
Surface area 4758508695726726
Volume 2.2334664100913E+22
Space diagonal 48777600.882612

Equilateral Triangle

Length = n
Perimeter 84485283
Area 3.4341578455238E+14
Altitude 24388800.441306

Triangular Pyramid

Length = n
Surface area 3.4341578455238E+14
Volume 2.6321654068799E+21
Height 13275581.448837