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

21084821 (number)

21084821 is an odd 8-digits composite number following 21084820 and preceding 21084822. In scientific notation, it is written as 2.1084821 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20880012 positive integers (up to 21084821) that are relatively prime to 21084821.

Interesting facts

21084821 has 4 divisors, whose sum is 21289632
The reverse of 21084821 is 12848012
Previous prime number is 103

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million eighty-four thousand eight hundred twenty-one

Notation

Scientific notation	2.1084821 × 10^7
Engineering notation	2.1084821 × 10^6

Prime Factorization of 21084821

Prime Factorization 103 × 204707

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21084821	Product of the distinct prime numbers

The prime factorization of 21084821 is 103 × 204707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 16, 36, 230, 350, 5020, 9599, 21725, 71958, 535517, 570737, 5975020, 5868588, 38669730, 61051108, 262172930, 930601721, 8350827438, 5172497420

Basic calculations (n = 21084821)

Multiplication

n×y

n×2	42169642
n×3	63254463
n×4	84339284
n×5	105424105

Division

n÷y

n÷2	10542410.5
n÷3	7028273.6666667
n÷3	5271205.25
n÷5	4216964.2

Exponentiation

n^y

n²	444569676602041
n³	9.3736720531819E+21
n⁴	1.9764219735404E+29
n⁵	4.1672503532567E+36

Nth Root

^y√n

²√n	4591.8210984314
³√n	276.2633705642
⁴√n	67.762977343321
⁵√n	29.160434020536

Divisors of 21084821

1, 103, 204707, 21084821

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	-21084820	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 21084821 can be divided by 4 positive divisors. The sum of these divisors (counting 21084821) is 1, the average is 0.25.

Base conversion 21084821

Base	System	Value
2	Binary	1010000011011101010010101
3	Ternary	1110200012221022
4	Quaternary	1100123222111
5	Quinary	20344203241
6	Senary	2031530525
8	Octal	120335225
10	Decimal	21084821
12	Duodecimal	7089a45
16	Hexadecimal	141ba95
20	Vigesimal	6bfc11
36	Base36	cjx5h

Cryptographic Hash Functions

md5	d9cd9f55a1a05d69d6f1763ef9bf4475
sha1	0a0b1c3e1bf56c16c5b0e4fef2b44acc28c3a739
sha256	5361357c035884cf6ae0ad028946dfca305aad7529e82b6082993da9cc59291d
sha512	b66c6fbe9ecce3312c159d93adb93ce8b27f463487abb62c9ca4f9d31ed09f9da2f2783e0c200d6f2ed1e898bf311b8e2f2266793e04b68cf07f460a031656c6
ripemd-160	eef22da68baff3c71955172cb89fa8f38a5957e7

21084821 as geometric shapes

Circle

Radius = n

Diameter	42169642
Circumference	132479837.51171
Area	1.3966568300218E+15

Sphere

Radius = n

Volume	3.9264345679248E+22
Surface area	5.586627320087E+15
Circumference	132479837.51171

Square

Length = n

Perimeter	84339284
Area	444569676602041
Diagonal	29818439.818409

Cube

Length = n

Surface area	2667418059612246
Volume	9.3736720531819E+21
Space diagonal	36519981.240495

Equilateral Triangle

Length = n

Perimeter	63254463
Area	1.925043168448E+14
Altitude	18259990.620248

Triangular Pyramid

Length = n

Surface area	1.925043168448E+14
Volume	1.1046978455706E+21
Height	9939479.9394697