21000844 (number)

21000844 is an even 8-digits composite number following 21000843 and preceding 21000845. In scientific notation, it is written as 2.1000844 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 6 positive divisors. There are 10500420 positive integers (up to 21000844) that are relatively prime to 21000844.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred forty-four

Notation

Scientific notation 2.1000844 × 10^7
Engineering notation 2.1000844 × 10^6

Prime Factorization of 21000844

Prime Factorization 2 × 2 × 5250211

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10500422
Product of the distinct prime numbers

The prime factorization of 21000844 is 2 × 2 × 5250211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000844)

Multiplication

n×y
n×2 42001688
n×3 63002532
n×4 84003376
n×5 105004220

Division

n÷y
n÷2 10500422
n÷3 7000281.3333333
n÷3 5250211
n÷5 4200168.8

Exponentiation

ny
n2 441035448712336
n3 9.2621166568778E+21
n4 1.9451226702089E+29
n5 4.0849217757921E+36

Nth Root

y√n
2√n 4582.6677819803
3√n 275.89611367114
4√n 67.695404437674
5√n 29.137168787452

Divisors of 21000844

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000844 can be divided by 6 positive divisors. The sum of these divisors (counting 21000844) is 1, the average is 0.16666666666667.

Base conversion 21000844

Base System Value
2 Binary 1010000000111001010001100
3 Ternary 1110111221202001
4 Quaternary 1100013022030
5 Quinary 20334011334
6 Senary 2030042044
8 Octal 120071214
10 Decimal 21000844
12 Duodecimal 7049324
16 Hexadecimal 140728c
20 Vigesimal 6b5224
36 Base36 ci4cs

Cryptographic Hash Functions

md5 d6d30ee5f399da7ed93e4b72816ccd50
sha1 e89336b00dfeed2bf91c38a662bdefd5c585048e
sha256 91572c933f3e822f5e916e1a79fb6b2317320438b48d96a0c26393e5f38075f8
sha512 cc3cb551e65554d53d8798c2c933a21f47bc0eca001d6599d2e4a81d97bdd25f6abe139ad45d88f9fedd9ac0a6de1fce986a202e62b111bdfb4afbc33f9ccecf
ripemd-160 3170d32ffb5959af63d14c7dd16c1dc71ee85311

21000844 as geometric shapes

Circle

Radius = n
Diameter 42001688
Circumference 131952194.45917
Area 1.3855537256474E+15

Sphere

Radius = n
Volume 3.8797063527918E+22
Surface area 5.5422149025894E+15
Circumference 131952194.45917

Square

Length = n
Perimeter 84003376
Area 441035448712336
Diagonal 29699678.406082

Cube

Length = n
Surface area 2646212692274016
Volume 9.2621166568778E+21
Space diagonal 36374528.809828

Equilateral Triangle

Length = n
Perimeter 63002532
Area 1.9097395127718E+14
Altitude 18187264.404914

Triangular Pyramid

Length = n
Surface area 1.9097395127718E+14
Volume 1.0915509160365E+21
Height 9899892.8020272