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

21031819 (number)

21031819 is an odd 8-digits prime number following 21031818 and preceding 21031820. In scientific notation, it is written as 2.1031819 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21031818 positive integers (up to 21031819) that are relatively prime to 21031819.

Interesting facts

21031819 has 2 divisors, whose sum is 21031820
The reverse of 21031819 is 91813012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.1031819 × 10^7
Engineering notation	2.1031819 × 10^6

Prime Factorization of 21031819

Prime Factorization 21031819

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21031819	Product of the distinct prime numbers

The prime factorization of 21031819 is 21031819. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 6, 60, 54, 353, 94, 4109, 1161, 33545, 5592, 27864, 981561, 9233011, 1884221, 37072668, 32412098, 706706217, 677785948, 4763280914, 9701403232

Basic calculations (n = 21031819)

Multiplication

n×y

n×2	42063638
n×3	63095457
n×4	84127276
n×5	105159095

Division

n÷y

n÷2	10515909.5
n÷3	7010606.3333333
n÷3	5257954.75
n÷5	4206363.8

Exponentiation

n^y

n²	442337410448761
n³	9.3031603534871E+21
n⁴	1.9566238468252E+29
n⁵	4.115135859751E+36

Nth Root

^y√n

²√n	4586.04611839
³√n	276.03169050802
⁴√n	67.720352320333
⁵√n	29.145758840369

Divisors of 21031819

1, 21031819

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21031820	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10515910	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4586.0462274164	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999904906	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031819 can be divided by 2 positive divisors. The sum of these divisors (counting 21031819) is 21031820, the average is 10515910.

Base conversion 21031819

Base	System	Value
2	Binary	1010000001110101110001011
3	Ternary	1110120112020021
4	Quaternary	1100032232023
5	Quinary	20341004234
6	Senary	2030441311
8	Octal	120165613
10	Decimal	21031819
12	Duodecimal	7063237
16	Hexadecimal	140eb8b
20	Vigesimal	6b8jaj
36	Base36	cis97

Cryptographic Hash Functions

md5	f41718151c171761a7c04a811a974a70
sha1	3727c676ad37268da8f3f19eef0eb48f680412cb
sha256	9f594e68593841da53f66846c5f1c416cd2f7d3bf5d1a43691d51e638d7567f9
sha512	0779754a7ecf0c897ab1ee928a4cd36008f84492694a9fe5907f174bba98a5c86e4ae193db0e068e21563e3a52e47971244d119fd262f318432164fbfdd5b840
ripemd-160	665b5292c626434b728f6beb0377eb3728063956

21031819 as geometric shapes

Circle

Radius = n

Diameter	42063638
Circumference	132146816.12406
Area	1.3896439590738E+15

Sphere

Radius = n

Volume	3.8968986962244E+22
Surface area	5.558575836295E+15
Circumference	132146816.12406

Square

Length = n

Perimeter	84127276
Area	442337410448761
Diagonal	29743483.671176

Cube

Length = n

Surface area	2654024462692566
Volume	9.3031603534871E+21
Space diagonal	36428179.083592

Equilateral Triangle

Length = n

Perimeter	63095457
Area	1.9153771724643E+14
Altitude	18214089.541796

Triangular Pyramid

Length = n

Surface area	1.9153771724643E+14
Volume	1.0963879620694E+21
Height	9914494.5570587