21128300 (number)

21128300 is an even 8-digits composite number following 21128299 and preceding 21128301. In scientific notation, it is written as 2.1128300 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 18 positive divisors. There are 8451280 positive integers (up to 21128300) that are relatively prime to 21128300.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1128300 × 10^7
Engineering notation 2.1128300 × 10^6

Prime Factorization of 21128300

Prime Factorization 2 × 2 × 5 × 5 × 211283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2112830
Product of the distinct prime numbers

The prime factorization of 21128300 is 2 × 2 × 5 × 5 × 211283. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 91, 97, 101, 615, 5232, 4194, 74218, 46241, 468681, 208533, 5817947, 6718936, 92394803, 63165500, 796647587, 905636048, 5649592059, 244811599

Basic calculations (n = 21128300)

Multiplication

n×y
n×2 42256600
n×3 63384900
n×4 84513200
n×5 105641500

Division

n÷y
n÷2 10564150
n÷3 7042766.6666667
n÷3 5282075
n÷5 4225660

Exponentiation

ny
n2 446405060890000
n3 9.4317800480022E+21
n4 1.992774783882E+29
n5 4.2103943466295E+36

Nth Root

y√n
2√n 4596.5530563673
3√n 276.45313437778
4√n 67.797883863491
5√n 29.172450456588

Divisors of 21128300

1, 2, 4, 5, 10, 20, 25, 50, 100, 211283, 422566, 845132, 1056415, 2112830, 4225660, 5282075, 10564150, 21128300

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21128299
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21128300 can be divided by 18 positive divisors. The sum of these divisors (counting 21128300) is 1, the average is 0.055555555555556.

Base conversion 21128300

Base System Value
2 Binary 1010000100110010001101100
3 Ternary 1110202102120122
4 Quaternary 1100212101230
5 Quinary 20402101200
6 Senary 2032504112
8 Octal 120462154
10 Decimal 21128300
12 Duodecimal 70ab038
16 Hexadecimal 142646c
20 Vigesimal 6c10f0
36 Base36 ckup8

Cryptographic Hash Functions

md5 b31ec0296b54d9d2d9ed0ad4546f7a5f
sha1 7679e5aaac354720a6910bdea80466e666b5dccc
sha256 65530bda38f913e7ba015c16fda5c027d030eebc318425c5aeecbf4d08786ac3
sha512 8c67774a7ce3adc76aff19046da41d00bf01220c8876a0ea766d78629006420172dc16c543c575b5f9b0e5354c874f314db1c2122e30aa5dc04a23488e7bc0d0
ripemd-160 d0187f9d7ec911b7d295153616e96b315592a443

21128300 as geometric shapes

Circle

Radius = n
Diameter 42256600
Circumference 132753024.12568
Area 1.4024228598173E+15

Sphere

Radius = n
Volume 3.9507747878771E+22
Surface area 5.6096914392693E+15
Circumference 132753024.12568

Square

Length = n
Perimeter 84513200
Area 446405060890000
Diagonal 29879928.409887

Cube

Length = n
Surface area 2678430365340000
Volume 9.4317800480022E+21
Space diagonal 36595289.077558

Equilateral Triangle

Length = n
Perimeter 63384900
Area 1.9329906155434E+14
Altitude 18297644.538779

Triangular Pyramid

Length = n
Surface area 1.9329906155434E+14
Volume 1.1115459384337E+21
Height 9959976.1366292