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

21128213 (number)

21128213 is an odd 8-digits prime number following 21128212 and preceding 21128214. In scientific notation, it is written as 2.1128213 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 21128212 positive integers (up to 21128213) that are relatively prime to 21128213.

Interesting facts

21128213 has 2 divisors, whose sum is 21128214
The reverse of 21128213 is 31282112
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.1128213 × 10^7
Engineering notation	2.1128213 × 10^6

Prime Factorization of 21128213

Prime Factorization 21128213

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21128213	Product of the distinct prime numbers

The prime factorization of 21128213 is 21128213. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 1, 37, 100, 280, 886, 1898, 1137, 76400, 60803, 459554, 425027, 7328993, 7680415, 50563284, 16121810, 541961222, 308452400, 7080966059, 7420756524

Basic calculations (n = 21128213)

Multiplication

n×y

n×2	42256426
n×3	63384639
n×4	84512852
n×5	105641065

Division

n÷y

n÷2	10564106.5
n÷3	7042737.6666667
n÷3	5282053.25
n÷5	4225642.6

Exponentiation

n^y

n²	446401384573369
n³	9.4316635367611E+21
n⁴	1.9927419614902E+29
n⁵	4.2103076616403E+36

Nth Root

^y√n

²√n	4596.5435927444
³√n	276.4527549269
⁴√n	67.797814070547
⁵√n	29.172426431868

Divisors of 21128213

1, 21128213

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21128214	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10564107	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4596.5437015218	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999053398	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21128213 can be divided by 2 positive divisors. The sum of these divisors (counting 21128213) is 21128214, the average is 10564107.

Base conversion 21128213

Base	System	Value
2	Binary	1010000100110010000010101
3	Ternary	1110202102110102
4	Quaternary	1100212100111
5	Quinary	20402100323
6	Senary	2032503445
8	Octal	120462025
10	Decimal	21128213
12	Duodecimal	70aab85
16	Hexadecimal	1426415
20	Vigesimal	6c10ad
36	Base36	ckumt

Cryptographic Hash Functions

md5	7543c2f260e5bbffe22fb1bf8e7dbe77
sha1	8448a53aaae44e29dfb11c5259a557b9b559d62a
sha256	405bb9e904bd784ebbe0986aab59bf4b4bfb902ede88422099550bc5aa04edac
sha512	afdf4666b46d669c65c94e69802050df0915486af77a8f54df01a7d016c61f46f5c1d44c22f732deb927bc792d21ad23f3cf2bbf3d129f53202418e25065c63f
ripemd-160	eabca71f9c726c2c5e5de5344074c29ba0be48a7

21128213 as geometric shapes

Circle

Radius = n

Diameter	42256426
Circumference	132752477.48856
Area	1.402411310328E+15

Sphere

Radius = n

Volume	3.9507259837626E+22
Surface area	5.609645241312E+15
Circumference	132752477.48856

Square

Length = n

Perimeter	84512852
Area	446401384573369
Diagonal	29879805.373308

Cube

Length = n

Surface area	2678408307440214
Volume	9.4316635367611E+21
Space diagonal	36595138.389137

Equilateral Triangle

Length = n

Perimeter	63384639
Area	1.9329746966254E+14
Altitude	18297569.194569

Triangular Pyramid

Length = n

Surface area	1.9329746966254E+14
Volume	1.1115322074523E+21
Height	9959935.1244358