28561621 (number)

28561621 is an odd 8-digits composite number following 28561620 and preceding 28561622. In scientific notation, it is written as 2.8561621 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 25932720 positive integers (up to 28561621) that are relatively prime to 28561621.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred sixty-one thousand six hundred twenty-one

Notation

Scientific notation 2.8561621 × 10^7
Engineering notation 2.8561621 × 10^6

Prime Factorization of 28561621

Prime Factorization 11 × 1453 × 1787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28561621
Product of the distinct prime numbers

The prime factorization of 28561621 is 11 × 1453 × 1787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28561621)

Multiplication

n×y
n×2 57123242
n×3 85684863
n×4 114246484
n×5 142808105

Division

n÷y
n÷2 14280810.5
n÷3 9520540.3333333
n÷3 7140405.25
n÷5 5712324.2

Exponentiation

ny
n2 815766194147641
n3 2.3299604861857E+22
n4 6.6547448351413E+29
n5 1.9007029983301E+37

Nth Root

y√n
2√n 5344.3073452039
3√n 305.67572480084
4√n 73.10476964743
5√n 30.985361717641

Divisors of 28561621

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 -28561620
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 28561621 can be divided by 8 positive divisors. The sum of these divisors (counting 28561621) is 1, the average is 0.125.

Base conversion 28561621

Base System Value
2 Binary 1101100111101000011010101
3 Ternary 1222202002011211
4 Quaternary 1230331003111
5 Quinary 24302432441
6 Senary 2500101421
8 Octal 154750325
10 Decimal 28561621
12 Duodecimal 9694871
16 Hexadecimal 1b3d0d5
20 Vigesimal 8ia411
36 Base36 h06ad

Cryptographic Hash Functions

md5 7eea4eff6a917220eff124072474c6e5
sha1 30ac491d3bbed86a1298fcadc31229bcb3d51b26
sha256 b1fb5bf0fe768872e4ad00b7cfcb0ea359ebab7e0b9d34b8409bdfe6bfc2924e
sha512 a579c823f40c6f6438c883760baa89bba1e73eb996d29a26cc7dcddf08229593b472608db18800bd1da2875b03948cd0756dab99a6c55c2dfd4e06dcc0110459
ripemd-160 dcb40a33a78db09c47981362274d5c492a5fb74d

28561621 as geometric shapes

Circle

Radius = n
Diameter 57123242
Circumference 179457957.41643
Area 2.5628050825811E+15

Sphere

Radius = n
Volume 9.7597156620741E+22
Surface area 1.0251220330325E+16
Circumference 179457957.41643

Square

Length = n
Perimeter 114246484
Area 815766194147641
Diagonal 40392231.78156

Cube

Length = n
Surface area 4894597164885846
Volume 2.3299604861857E+22
Space diagonal 49470178.718526

Equilateral Triangle

Length = n
Perimeter 85684863
Area 3.532371238402E+14
Altitude 24735089.359263

Triangular Pyramid

Length = n
Surface area 3.532371238402E+14
Volume 2.7458847661311E+21
Height 13464077.26052