21000515 (number)

21000515 is an odd 8-digits composite number following 21000514 and preceding 21000516. In scientific notation, it is written as 2.1000515 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 16800408 positive integers (up to 21000515) that are relatively prime to 21000515.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifteen

Notation

Scientific notation 2.1000515 × 10^7
Engineering notation 2.1000515 × 10^6

Prime Factorization of 21000515

Prime Factorization 5 × 4200103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000515
Product of the distinct prime numbers

The prime factorization of 21000515 is 5 × 4200103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000515)

Multiplication

n×y
n×2 42001030
n×3 63001545
n×4 84002060
n×5 105002575

Division

n÷y
n÷2 10500257.5
n÷3 7000171.6666667
n÷3 5250128.75
n÷5 4200103

Exponentiation

ny
n2 441021630265225
n3 9.2616813617093E+21
n4 1.945000783618E+29
n5 4.0846018131381E+36

Nth Root

y√n
2√n 4582.6318857181
3√n 275.89467293071
4√n 67.695139306438
5√n 29.137077494087

Divisors of 21000515

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 -21000514
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 21000515 can be divided by 4 positive divisors. The sum of these divisors (counting 21000515) is 1, the average is 0.25.

Base conversion 21000515

Base System Value
2 Binary 1010000000111000101000011
3 Ternary 1110111221021212
4 Quaternary 1100013011003
5 Quinary 20334004030
6 Senary 2030040335
8 Octal 120070503
10 Decimal 21000515
12 Duodecimal 70490ab
16 Hexadecimal 1407143
20 Vigesimal 6b515f
36 Base36 ci43n

Cryptographic Hash Functions

md5 2d1dc7f44480dc23c45224b3162a04ae
sha1 4652d769b302f432821d505393fd2dba8ae60a79
sha256 c4ae0b77f3ede88a5fc0869a050f0a0818825b016a99b218564a57c75a5386f9
sha512 59649cfda6fc0d8a0d2904ce3179bb20c5b52b2d8d4779cef6b5659ec45f4bf89e881bc82a18891785c06111bce4a137ede9b87160b45610e1c9f9442550ad83
ripemd-160 1ffbf620afb9bb6df97a689ecf91ee4e0b7cc92a

21000515 as geometric shapes

Circle

Radius = n
Diameter 42001030
Circumference 131950127.2912
Area 1.3855103137154E+15

Sphere

Radius = n
Volume 3.8795240167781E+22
Surface area 5.5420412548617E+15
Circumference 131950127.2912

Square

Length = n
Perimeter 84002060
Area 441021630265225
Diagonal 29699213.12982

Cube

Length = n
Surface area 2646129781591350
Volume 9.2616813617093E+21
Space diagonal 36373958.965112

Equilateral Triangle

Length = n
Perimeter 63001545
Area 1.9096796771406E+14
Altitude 18186979.482556

Triangular Pyramid

Length = n
Surface area 1.9096796771406E+14
Volume 1.091499616009E+21
Height 9899737.7099399