21000824 (number)

21000824 is an even 8-digits composite number following 21000823 and preceding 21000825. In scientific notation, it is written as 2.1000824 × 10^7. The sum of its digits is 17. It has a total of 6 prime factors and 32 positive divisors. There are 9601536 positive integers (up to 21000824) that are relatively prime to 21000824.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred twenty-four

Notation

Scientific notation 2.1000824 × 10^7
Engineering notation 2.1000824 × 10^6

Prime Factorization of 21000824

Prime Factorization 2 × 2 × 2 × 13 × 113 × 1787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5250206
Product of the distinct prime numbers

The prime factorization of 21000824 is 2 × 2 × 2 × 13 × 113 × 1787. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000824)

Multiplication

n×y
n×2 42001648
n×3 63002472
n×4 84003296
n×5 105004120

Division

n÷y
n÷2 10500412
n÷3 7000274.6666667
n÷3 5250206
n÷5 4200164.8

Exponentiation

ny
n2 441034608678976
n3 9.262090194776E+21
n4 1.9451152605262E+29
n5 4.0849023246024E+36

Nth Root

y√n
2√n 4582.6655998447
3√n 275.89602608857
4√n 67.695388320363
5√n 29.137163237736

Divisors of 21000824

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000823
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000824 can be divided by 32 positive divisors. The sum of these divisors (counting 21000824) is 1, the average is 0.03125.

Base conversion 21000824

Base System Value
2 Binary 1010000000111001001111000
3 Ternary 1110111221201022
4 Quaternary 1100013021320
5 Quinary 20334011244
6 Senary 2030042012
8 Octal 120071170
10 Decimal 21000824
12 Duodecimal 7049308
16 Hexadecimal 1407278
20 Vigesimal 6b5214
36 Base36 ci4c8

Cryptographic Hash Functions

md5 cbb2f4e3e13093d82c94da5dc9dc22b1
sha1 0e9e2ed75ab691d88b8c0bf701996eee263a80fb
sha256 f63d157dc0c62a356109fe90351d5c4df8f63a765d7ee111f6de2c6a4a901545
sha512 6cb8d8023882ccfb7d4f2cb2814c31439cec8279fc28bab3317a1a4d389a1f3732146a4f46720978ee4d7d21c7c9744d4805c8ea48d264109edd9b26bd63b884
ripemd-160 73048c72c5b8f74bed19f938a31e727c8704c20e

21000824 as geometric shapes

Circle

Radius = n
Diameter 42001648
Circumference 131952068.79546
Area 1.3855510866047E+15

Sphere

Radius = n
Volume 3.8796952683726E+22
Surface area 5.5422043464189E+15
Circumference 131952068.79546

Square

Length = n
Perimeter 84003296
Area 441034608678976
Diagonal 29699650.12181

Cube

Length = n
Surface area 2646207652073856
Volume 9.262090194776E+21
Space diagonal 36374494.168812

Equilateral Triangle

Length = n
Perimeter 63002472
Area 1.9097358753206E+14
Altitude 18187247.084406

Triangular Pyramid

Length = n
Surface area 1.9097358753206E+14
Volume 1.0915477974479E+21
Height 9899883.3739368