28804921 (number)

28804921 is an odd 8-digits composite number following 28804920 and preceding 28804922. In scientific notation, it is written as 2.8804921 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 27401520 positive integers (up to 28804921) that are relatively prime to 28804921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8804921 × 10^7
Engineering notation 2.8804921 × 10^6

Prime Factorization of 28804921

Prime Factorization 31 × 59 × 15749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28804921
Product of the distinct prime numbers

The prime factorization of 28804921 is 31 × 59 × 15749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28804921)

Multiplication

n×y
n×2 57609842
n×3 86414763
n×4 115219684
n×5 144024605

Division

n÷y
n÷2 14402460.5
n÷3 9601640.3333333
n÷3 7201230.25
n÷5 5760984.2

Exponentiation

ny
n2 829723473816241
n3 2.3900119115122E+22
n4 6.8844104300169E+29
n5 1.9830489856821E+37

Nth Root

y√n
2√n 5367.0216135209
3√n 306.54123033684
4√n 73.259959142228
5√n 31.037972049166

Divisors of 28804921

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 -28804920
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 28804921 can be divided by 8 positive divisors. The sum of these divisors (counting 28804921) is 1, the average is 0.125.

Base conversion 28804921

Base System Value
2 Binary 1101101111000011100111001
3 Ternary 2000012102220221
4 Quaternary 1231320130321
5 Quinary 24333224141
6 Senary 2505220041
8 Octal 155703471
10 Decimal 28804921
12 Duodecimal 9791621
16 Hexadecimal 1b78739
20 Vigesimal 900c61
36 Base36 h5e0p

Cryptographic Hash Functions

md5 0817540956b8048924c688735c736120
sha1 89a30b039551f5f77af1a3e18a88a7af601d2a00
sha256 ebeeb3ac6a7de92b560a15570803b1f32803be024901597470778787a4eadbaf
sha512 2a7e58b54bed79551feb7a3c9c2b5eba3ed19339fbac480ee804777cd78a7651b370bb770c81647a38baf26b980991882b6c35a56a97a494d75191010203661e
ripemd-160 16bdc55ae1608786467e90d4b54b96808410c951

28804921 as geometric shapes

Circle

Radius = n
Diameter 57609842
Circumference 180986656.40167
Area 2.6066531698521E+15

Sphere

Radius = n
Volume 1.0011258484265E+23
Surface area 1.0426612679408E+16
Circumference 180986656.40167

Square

Length = n
Perimeter 115219684
Area 829723473816241
Diagonal 40736309.941286

Cube

Length = n
Surface area 4978340842897446
Volume 2.3900119115122E+22
Space diagonal 49891586.680008

Equilateral Triangle

Length = n
Perimeter 86414763
Area 3.5928080322057E+14
Altitude 24945793.340004

Triangular Pyramid

Length = n
Surface area 3.5928080322057E+14
Volume 2.8166560495782E+21
Height 13578769.980429