Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21000828 (number)

21000828 is an even 8-digits composite number following 21000827 and preceding 21000829. In scientific notation, it is written as 2.1000828 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 7000272 positive integers (up to 21000828) that are relatively prime to 21000828.

Interesting facts

21000828 has 12 divisors, whose sum is 49001960
The reverse of 21000828 is 82800012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million eight hundred twenty-eight

Notation

Scientific notation	2.1000828 × 10^7
Engineering notation	2.1000828 × 10^6

Prime Factorization of 21000828

Prime Factorization 2 × 2 × 3 × 1750069

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10500414	Product of the distinct prime numbers

The prime factorization of 21000828 is 2 × 2 × 3 × 1750069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 18, 30, 551, 757, 2786, 9686, 6403, 58676, 831712, 817547, 3604613, 4079605, 87970304, 93457361, 89374787, 44339033, 9310900110, 6777956096

Basic calculations (n = 21000828)

Multiplication

n×y

n×2	42001656
n×3	63002484
n×4	84003312
n×5	105004140

Division

n÷y

n÷2	10500414
n÷3	7000276
n÷3	5250207
n÷5	4200165.6

Exponentiation

n^y

n²	441034776685584
n³	9.2620954871924E+21
n⁴	1.945116742461E+29
n⁵	4.0849062148344E+36

Nth Root

^y√n

²√n	4582.6660362719
³√n	275.89604360509
⁴√n	67.695391543826
⁵√n	29.13716434768

Divisors of 21000828

1, 2, 3, 4, 6, 12, 1750069, 3500138, 5250207, 7000276, 10500414, 21000828

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000827	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000828 can be divided by 12 positive divisors. The sum of these divisors (counting 21000828) is 1, the average is 0.083333333333333.

Base conversion 21000828

Base	System	Value
2	Binary	1010000000111001001111100
3	Ternary	1110111221201110
4	Quaternary	1100013021330
5	Quinary	20334011303
6	Senary	2030042020
8	Octal	120071174
10	Decimal	21000828
12	Duodecimal	7049310
16	Hexadecimal	140727c
20	Vigesimal	6b5218
36	Base36	ci4cc

Cryptographic Hash Functions

md5	0a61574a3b67cf839feb35910493956b
sha1	2da401fca75a5286fee34bf30338fdbece42344c
sha256	81e9988af0c2aed900ad8645d0f7b59f58ee084b80b011918a0d0fa34eb013c5
sha512	73167876acdec07f05bbf6a484f4ce14c024042d463e8f4c1f789bd6589b1f3b9e74f0aff0ba609390e04670980df7bda84dd1fec54fa0f389095f4467d3d457
ripemd-160	5b51ad2c1dbea181be4ee5dc8a590742ebb6b636

21000828 as geometric shapes

Circle

Radius = n

Diameter	42001656
Circumference	131952093.92821
Area	1.385551614413E+15

Sphere

Radius = n

Volume	3.8796974852548E+22
Surface area	5.5422064576522E+15
Circumference	131952093.92821

Square

Length = n

Perimeter	84003312
Area	441034776685584
Diagonal	29699655.778665

Cube

Length = n

Surface area	2646208660113504
Volume	9.2620954871924E+21
Space diagonal	36374501.097015

Equilateral Triangle

Length = n

Perimeter	63002484
Area	1.9097366028106E+14
Altitude	18187250.548508

Triangular Pyramid

Length = n

Surface area	1.9097366028106E+14
Volume	1.0915484211652E+21
Height	9899885.2595549