28221808 (number)

28221808 is an even 8-digits composite number following 28221807 and preceding 28221809. In scientific notation, it is written as 2.8221808 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 13810304 positive integers (up to 28221808) that are relatively prime to 28221808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8221808 × 10^7
Engineering notation 2.8221808 × 10^6

Prime Factorization of 28221808

Prime Factorization 2 × 2 × 2 × 2 × 47 × 37529

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3527726
Product of the distinct prime numbers

The prime factorization of 28221808 is 2 × 2 × 2 × 2 × 47 × 37529. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 6, 88, 2, 51, 15, 9220, 244, 3621, 85407, 158262, 423322, 1481102, 8622433, 59431469, 54804130, 686219839, 654013600, 7553741039, 8758847670

Basic calculations (n = 28221808)

Multiplication

n×y
n×2 56443616
n×3 84665424
n×4 112887232
n×5 141109040

Division

n÷y
n÷2 14110904
n÷3 9407269.3333333
n÷3 7055452
n÷5 5644361.6

Exponentiation

ny
n2 796470446788864
n3 2.247783602695E+22
n4 6.3436517260805E+29
n5 1.7902932103231E+37

Nth Root

y√n
2√n 5312.420164106
3√n 304.45862216738
4√n 72.886351013794
5√n 30.911278400073

Divisors of 28221808

1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 37529, 75058, 150116, 300232, 600464, 1763863, 3527726, 7055452, 14110904, 28221808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28221807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28221808 can be divided by 20 positive divisors. The sum of these divisors (counting 28221808) is 1, the average is 0.05.

Base conversion 28221808

Base System Value
2 Binary 1101011101010000101110000
3 Ternary 1222002211001011
4 Quaternary 1223222011300
5 Quinary 24211044213
6 Senary 2444520304
8 Octal 153520560
10 Decimal 28221808
12 Duodecimal 9550094
16 Hexadecimal 1aea170
20 Vigesimal 8g7ea8
36 Base36 gsw34

Cryptographic Hash Functions

md5 117a4950731516950061b60720e96987
sha1 10b75f6622ae9585b454e498e6479c6b315b9d6b
sha256 f0ee7aad2ac3f8fdc33f34d681af676fb28e34dbeb8d32705355bb3a06bdc4bf
sha512 187335b850193e0a2c4e689f3611fed4cd6813ae41c7e1a3fdb47f72c438a82f4c173a3d4bc10a90a1cc61aef4e848dd673fdb8a6a441cf51a6870f89a272387
ripemd-160 9894a21754ee70290e9939580e6a285115f38bb8

28221808 as geometric shapes

Circle

Radius = n
Diameter 56443616
Circumference 177322849.36764
Area 2.5021857044333E+15

Sphere

Radius = n
Volume 9.4154939374481E+22
Surface area 1.0008742817733E+16
Circumference 177322849.36764

Square

Length = n
Perimeter 112887232
Area 796470446788864
Diagonal 39911663.62829

Cube

Length = n
Surface area 4778822680733184
Volume 2.247783602695E+22
Space diagonal 48881605.337454

Equilateral Triangle

Length = n
Perimeter 84665424
Area 3.4488182014135E+14
Altitude 24440802.668727

Triangular Pyramid

Length = n
Surface area 3.4488182014135E+14
Volume 2.6490383801759E+21
Height 13303887.876097