21000879 (number)

21000879 is an odd 8-digits composite number following 21000878 and preceding 21000880. In scientific notation, it is written as 2.1000879 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13736112 positive integers (up to 21000879) that are relatively prime to 21000879.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy-nine

Notation

Scientific notation 2.1000879 × 10^7
Engineering notation 2.1000879 × 10^6

Prime Factorization of 21000879

Prime Factorization 9 × 53 × 44027

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000879
Product of the distinct prime numbers

The prime factorization of 21000879 is 9 × 53 × 44027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000879)

Multiplication

n×y
n×2 42001758
n×3 63002637
n×4 84003516
n×5 105004395

Division

n÷y
n÷2 10500439.5
n÷3 7000293
n÷3 5250219.75
n÷5 4200175.8

Exponentiation

ny
n2 441036918772641
n3 9.2621629656771E+21
n4 1.9451356372047E+29
n5 4.0849558155523E+36

Nth Root

y√n
2√n 4582.671600715
3√n 275.89626694052
4√n 67.695432642941
5√n 29.137178499445

Divisors of 21000879

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 -21000878
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 21000879 can be divided by 8 positive divisors. The sum of these divisors (counting 21000879) is 1, the average is 0.125.

Base conversion 21000879

Base System Value
2 Binary 1010000000111001010101111
3 Ternary 1110111221210100
4 Quaternary 1100013022233
5 Quinary 20334012004
6 Senary 2030042143
8 Octal 120071257
10 Decimal 21000879
12 Duodecimal 7049353
16 Hexadecimal 14072af
20 Vigesimal 6b523j
36 Base36 ci4dr

Cryptographic Hash Functions

md5 99961a0ea3274b4ff8cb978453bd40ee
sha1 d9de6c789eee2d2b6578a0b02a3997106a0acffd
sha256 b9f48374206a6af38a2feea942717765ea698c68890e3411d7bb535dc05f0a3a
sha512 557778c8e75ec09c724794a7c0f3d61772b06f3d9c17e19c8b2cd80e14a9972a3e9026fb85904581f1d1ac3385a56b1b31c896b1e572e6dd1393705e14305147
ripemd-160 fdbd96dbe43978328be907a3dc07bc5676e3ef3a

21000879 as geometric shapes

Circle

Radius = n
Diameter 42001758
Circumference 131952414.37066
Area 1.385558343978E+15

Sphere

Radius = n
Volume 3.8797257505763E+22
Surface area 5.542233375912E+15
Circumference 131952414.37066

Square

Length = n
Perimeter 84003516
Area 441036918772641
Diagonal 29699727.903556

Cube

Length = n
Surface area 2646221512635846
Volume 9.2621629656771E+21
Space diagonal 36374589.431606

Equilateral Triangle

Length = n
Perimeter 63002637
Area 1.9097458783196E+14
Altitude 18187294.715803

Triangular Pyramid

Length = n
Surface area 1.9097458783196E+14
Volume 1.0915563735809E+21
Height 9899909.3011854