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

21091418 (number)

21091418 is an even 8-digits composite number following 21091417 and preceding 21091419. In scientific notation, it is written as 2.1091418 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 10532160 positive integers (up to 21091418) that are relatively prime to 21091418.

Interesting facts

21091418 has 8 divisors, whose sum is 31677780
The reverse of 21091418 is 81419012
Previous prime number is 829

Basic properties

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

Name

Name	twenty-one million ninety-one thousand four hundred eighteen

Notation

Scientific notation	2.1091418 × 10^7
Engineering notation	2.1091418 × 10^6

Prime Factorization of 21091418

Prime Factorization 2 × 829 × 12721

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21091418	Product of the distinct prime numbers

The prime factorization of 21091418 is 2 × 829 × 12721. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 80, 67, 674, 771, 7357, 1831, 44906, 51989, 409292, 200681, 553547, 4551410, 1917699, 73217983, 698998411, 394939933, 7543125945, 7190738517

Basic calculations (n = 21091418)

Multiplication

n×y

n×2	42182836
n×3	63274254
n×4	84365672
n×5	105457090

Division

n÷y

n÷2	10545709
n÷3	7030472.6666667
n÷3	5272854.5
n÷5	4218283.6

Exponentiation

n^y

n²	444847913250724
n³	9.3824732847988E+21
n⁴	1.9788966592352E+29
n⁵	4.1737736618734E+36

Nth Root

^y√n

²√n	4592.5393846978
³√n	276.2921799055
⁴√n	67.768277126527
⁵√n	29.16225853033

Divisors of 21091418

1, 2, 829, 1658, 12721, 25442, 10545709, 21091418

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	-21091417	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 21091418 can be divided by 8 positive divisors. The sum of these divisors (counting 21091418) is 1, the average is 0.125.

Base conversion 21091418

Base	System	Value
2	Binary	1010000011101010001011010
3	Ternary	1110200112222122
4	Quaternary	1100131101122
5	Quinary	20344411133
6	Senary	2032021242
8	Octal	120352132
10	Decimal	21091418
12	Duodecimal	7091822
16	Hexadecimal	141d45a
20	Vigesimal	6bg8ai
36	Base36	ck28q

Cryptographic Hash Functions

md5	1ce045fc122b1a8cadefee0989de366d
sha1	6906df4761bb801a48836748498cfe1fb6587770
sha256	d6b1c25e8a518b71fe5a767112e4361876592aa8ceac63a75cdf9f09f960e6c8
sha512	2723b342db2f07d8d95f6d09fa17ac6cecf2d6d82d9208bea237fea79c2e6421fa5405d3f440e1cf56993f8c6891adbccedb40e9747e3e5960a5eba6111534f0
ripemd-160	807e054d10ceb0b0ef259f0c9e5171008c033595

21091418 as geometric shapes

Circle

Radius = n

Diameter	42182836
Circumference	132521287.68518
Area	1.3975309362332E+15

Sphere

Radius = n

Volume	3.9301212192035E+22
Surface area	5.5901237449329E+15
Circumference	132521287.68518

Square

Length = n

Perimeter	84365672
Area	444847913250724
Diagonal	29827769.38528

Cube

Length = n

Surface area	2669087479504344
Volume	9.3824732847988E+21
Space diagonal	36531407.579673

Equilateral Triangle

Length = n

Perimeter	63274254
Area	1.9262479684781E+14
Altitude	18265703.789836

Triangular Pyramid

Length = n

Surface area	1.9262479684781E+14
Volume	1.1057350806638E+21
Height	9942589.7950933