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

21132821 (number)

21132821 is an odd 8-digits composite number following 21132820 and preceding 21132822. In scientific notation, it is written as 2.1132821 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 20835360 positive integers (up to 21132821) that are relatively prime to 21132821.

Interesting facts

21132821 has 8 divisors, whose sum is 21432384
The reverse of 21132821 is 12823112
Previous prime number is 313

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million one hundred thirty-two thousand eight hundred twenty-one

Notation

Scientific notation	2.1132821 × 10^7
Engineering notation	2.1132821 × 10^6

Prime Factorization of 21132821

Prime Factorization 107 × 313 × 631

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21132821	Product of the distinct prime numbers

The prime factorization of 21132821 is 107 × 313 × 631. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 4, 58, 520, 96, 9946, 2084, 97397, 42087, 296162, 100721, 8952209, 5970080, 6280353, 3336183, 24345374, 409605762, 262980964, 4845626091

Basic calculations (n = 21132821)

Multiplication

n×y

n×2	42265642
n×3	63398463
n×4	84531284
n×5	105664105

Division

n÷y

n÷2	10566410.5
n÷3	7044273.6666667
n÷3	5283205.25
n÷5	4226564.2

Exponentiation

n^y

n²	446596123418041
n³	9.4378359354874E+21
n⁴	1.9944809745202E+29
n⁵	4.2149009422441E+36

Nth Root

^y√n

²√n	4597.0448116154
³√n	276.47285130538
⁴√n	67.801510393319
⁵√n	29.173698804646

Divisors of 21132821

1, 107, 313, 631, 33491, 67517, 197503, 21132821

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	-21132820	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 21132821 can be divided by 8 positive divisors. The sum of these divisors (counting 21132821) is 1, the average is 0.125.

Base conversion 21132821

Base	System	Value
2	Binary	1010000100111011000010101
3	Ternary	1110202122210002
4	Quaternary	1100213120111
5	Quinary	20402222241
6	Senary	2032541045
8	Octal	120473025
10	Decimal	21132821
12	Duodecimal	70b1785
16	Hexadecimal	1427615
20	Vigesimal	6c1c11
36	Base36	cky6t

Cryptographic Hash Functions

md5	d46850ab22196d9232dcd59ad34daa94
sha1	ff482dfeae71d73c16d012b4658a7140a635b9e0
sha256	57570d47e811c8de7cc33ba4aab7df8901c05808af94448cf694e8c307b1605e
sha512	eee5bdade85491542255b4c19a0312582b847724bce819803b818d43a33e29fd745aa2d1b545a13d56441ad31816fe18fe9a582f46e7eaa244602a607a4eb3e1
ripemd-160	0403731daf542102d1503ab02aad046485a96e81

21132821 as geometric shapes

Circle

Radius = n

Diameter	42265642
Circumference	132781430.40646
Area	1.4030231004518E+15

Sphere

Radius = n

Volume	3.953311472095E+22
Surface area	5.6120924018072E+15
Circumference	132781430.40646

Square

Length = n

Perimeter	84531284
Area	446596123418041
Diagonal	29886322.069403

Cube

Length = n

Surface area	2679576740508246
Volume	9.4378359354874E+21
Space diagonal	36603119.679259

Equilateral Triangle

Length = n

Perimeter	63398463
Area	1.9338179405584E+14
Altitude	18301559.839629

Triangular Pyramid

Length = n

Surface area	1.9338179405584E+14
Volume	1.1122596316182E+21
Height	9962107.3564677