28355621 (number)

28355621 is an odd 8-digits composite number following 28355620 and preceding 28355622. In scientific notation, it is written as 2.8355621 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 24268320 positive integers (up to 28355621) that are relatively prime to 28355621.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred fifty-five thousand six hundred twenty-one

Notation

Scientific notation 2.8355621 × 10^7
Engineering notation 2.8355621 × 10^6

Prime Factorization of 28355621

Prime Factorization 7 × 761 × 5323

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28355621
Product of the distinct prime numbers

The prime factorization of 28355621 is 7 × 761 × 5323. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28355621)

Multiplication

n×y
n×2 56711242
n×3 85066863
n×4 113422484
n×5 141778105

Division

n÷y
n÷2 14177810.5
n÷3 9451873.6666667
n÷3 7088905.25
n÷5 5671124.2

Exponentiation

ny
n2 804041242295641
n3 2.2799088734904E+22
n4 6.4648231931232E+29
n5 1.8331407629621E+37

Nth Root

y√n
2√n 5324.9996244131
3√n 304.93905796642
4√n 72.972595023153
5√n 30.940535974334

Divisors of 28355621

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 -28355620
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 28355621 can be divided by 8 positive divisors. The sum of these divisors (counting 28355621) is 1, the average is 0.125.

Base conversion 28355621

Base System Value
2 Binary 1101100001010110000100101
3 Ternary 1222100121121012
4 Quaternary 1230022300211
5 Quinary 24224334441
6 Senary 2451432005
8 Octal 154126045
10 Decimal 28355621
12 Duodecimal 95b5605
16 Hexadecimal 1b0ac25
20 Vigesimal 8h4911
36 Base36 gvrc5

Cryptographic Hash Functions

md5 69a72abc26921c0b439be8d158cbe95b
sha1 bc0d1c83ec74fda94546540895583219d3c2fcda
sha256 20b0d6971a979db3e9265c45d99643ab21f5e70da617498f9c28fe211c4e5d4e
sha512 16989a59cb7c79c04682055377461f58a4f2a02f552181c0e3d71dbaca5620b4793a8a6cf295b56a83980ea7b1bdb3c364e97ab26bb7e10fbd6c265c5765e3a8
ripemd-160 b627d74c388ea0bcaf22e961d5ec109c37a66e28

28355621 as geometric shapes

Circle

Radius = n
Diameter 56711242
Circumference 178163621.24315
Area 2.5259700599792E+15

Sphere

Radius = n
Volume 9.5500599570823E+22
Surface area 1.0103880239917E+16
Circumference 178163621.24315

Square

Length = n
Perimeter 113422484
Area 804041242295641
Diagonal 40100903.787711

Cube

Length = n
Surface area 4824247453773846
Volume 2.2799088734904E+22
Space diagonal 49113376.252167

Equilateral Triangle

Length = n
Perimeter 85066863
Area 3.4816007075921E+14
Altitude 24556688.126084

Triangular Pyramid

Length = n
Surface area 3.4816007075921E+14
Volume 2.6868983748875E+21
Height 13366967.929237