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

20212821 (number)

20212821 is an odd 8-digits composite number following 20212820 and preceding 20212822. In scientific notation, it is written as 2.0212821 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13475160 positive integers (up to 20212821) that are relatively prime to 20212821.

Interesting facts

20212821 has 8 divisors, whose sum is 27948704
The reverse of 20212821 is 12821202
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

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

Notation

Scientific notation	2.0212821 × 10^7
Engineering notation	2.0212821 × 10^6

Prime Factorization of 20212821

Prime Factorization 27 × 3 × 249541

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20212821	Product of the distinct prime numbers

The prime factorization of 20212821 is 27 × 3 × 249541. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 57, 63, 375, 897, 8510, 5192, 99748, 33148, 206901, 301957, 3017413, 508891, 91179636, 20685028, 329432965, 761360677, 4248245065, 7399211736

Basic calculations (n = 20212821)

Multiplication

n×y

n×2	40425642
n×3	60638463
n×4	80851284
n×5	101064105

Division

n÷y

n÷2	10106410.5
n÷3	6737607
n÷3	5053205.25
n÷5	4042564.2

Exponentiation

n^y

n²	408558132778041
n³	8.2581124059368E+21
n⁴	1.6691974785908E+29
n⁵	3.3739189848407E+36

Nth Root

^y√n

²√n	4495.8671021284
³√n	272.4011750614
⁴√n	67.051227446844
⁵√n	28.915145766388

Divisors of 20212821

1, 3, 27, 81, 249541, 748623, 6737607, 20212821

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	-20212820	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 20212821 can be divided by 8 positive divisors. The sum of these divisors (counting 20212821) is 1, the average is 0.125.

Base conversion 20212821

Base	System	Value
2	Binary	1001101000110110001010101
3	Ternary	1102000220210000
4	Quaternary	1031012301111
5	Quinary	20133302241
6	Senary	2001121513
8	Octal	115066125
10	Decimal	20212821
12	Duodecimal	6929299
16	Hexadecimal	1346c55
20	Vigesimal	666c11
36	Base36	c18b9

Cryptographic Hash Functions

md5	f9fb54c378b2a54de42cf290c242b25e
sha1	84875680ab70397f195a7b798a2d45cd757ffe7b
sha256	17c79bf88a09dd6b7bb235124b1d850ba428fadc09df9aeed90c4b21015fd35c
sha512	fed4a9f6354c8f6c7d4efe373ec355ea3ea1ccf9b8c225874e7d069175f7e83d4d25d644883b6efb099a1311b690835153f8a710b7059273b0c16a760c564ded
ripemd-160	9812399669b08d9beb4dfc45840ab624ca9e83cc

20212821 as geometric shapes

Circle

Radius = n

Diameter	40425642
Circumference	127000899.92385
Area	1.2835232284999E+15

Sphere

Radius = n

Volume	3.4591500356013E+22
Surface area	5.1340929139994E+15
Circumference	127000899.92385

Square

Length = n

Perimeter	80851284
Area	408558132778041
Diagonal	28585245.59202

Cube

Length = n

Surface area	2451348796668246
Volume	8.2581124059368E+21
Space diagonal	35009632.936295

Equilateral Triangle

Length = n

Perimeter	60638463
Area	1.7691086095426E+14
Altitude	17504816.468148

Triangular Pyramid

Length = n

Surface area	1.7691086095426E+14
Volume	9.7322788033977E+20
Height	9528415.1973399