28403921 (number)

28403921 is an odd 8-digits composite number following 28403920 and preceding 28403922. In scientific notation, it is written as 2.8403921 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 22391424 positive integers (up to 28403921) that are relatively prime to 28403921.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred three thousand nine hundred twenty-one

Notation

Scientific notation 2.8403921 × 10^7
Engineering notation 2.8403921 × 10^6

Prime Factorization of 28403921

Prime Factorization 41587 × 683

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28403921
Product of the distinct prime numbers

The prime factorization of 28403921 is 41587 × 683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28403921)

Multiplication

n×y
n×2 56807842
n×3 85211763
n×4 113615684
n×5 142019605

Division

n÷y
n÷2 14201960.5
n÷3 9467973.6666667
n÷3 7100980.25
n÷5 5680784.2

Exponentiation

ny
n2 806782728174241
n3 2.2915792875226E+22
n4 6.5089837048027E+29
n5 1.848806589415E+37

Nth Root

y√n
2√n 5329.5329063624
3√n 305.11210069044
4√n 73.003649952331
5√n 30.951069411101

Divisors of 28403921

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 -28403920
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 28403921 can be divided by 4 positive divisors. The sum of these divisors (counting 28403921) is 1, the average is 0.25.

Base conversion 28403921

Base System Value
2 Binary 1101100010110100011010001
3 Ternary 1222110001212002
4 Quaternary 1230112203101
5 Quinary 24232411141
6 Senary 2452443345
8 Octal 154264321
10 Decimal 28403921
12 Duodecimal 9619555
16 Hexadecimal 1b168d1
20 Vigesimal 8ha9g1
36 Base36 gwslt

Cryptographic Hash Functions

md5 4f498b5faf32f65b6ab404452dae6e90
sha1 ceb202b43cff30715dcc15f0fa9916669104a3ac
sha256 2c23af474d608b2b82528ca358c92307f3579a7b8f4cc46dbc902074e623e3d7
sha512 1eca447e50d9ed3f3567290b7121444f519126b1401f80ae3e35830d426363c677d6b75a3d824a755766753997502656815fadd0c5c5c24b3727e7024a6f8e84
ripemd-160 131cf69323dc14f983532a3e3e7a2c822d9ca25f

28403921 as geometric shapes

Circle

Radius = n
Diameter 56807842
Circumference 178467099.09349
Area 2.5345826918753E+15

Sphere

Radius = n
Volume 9.5989448730659E+22
Surface area 1.0138330767501E+16
Circumference 178467099.09349

Square

Length = n
Perimeter 113615684
Area 806782728174241
Diagonal 40169210.302774

Cube

Length = n
Surface area 4840696369045446
Volume 2.2915792875226E+22
Space diagonal 49197034.306173

Equilateral Triangle

Length = n
Perimeter 85211763
Area 3.493471689667E+14
Altitude 24598517.153086

Triangular Pyramid

Length = n
Surface area 3.493471689667E+14
Volume 2.7006520897231E+21
Height 13389736.767591