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

21492813 (number)

21492813 is an odd 8-digits composite number following 21492812 and preceding 21492814. In scientific notation, it is written as 2.1492813 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14300000 positive integers (up to 21492813) that are relatively prime to 21492813.

Interesting facts

21492813 has 8 divisors, whose sum is 28714176
The reverse of 21492813 is 31829412
Previous prime number is 521

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.1492813 × 10^7
Engineering notation	2.1492813 × 10^6

Prime Factorization of 21492813

Prime Factorization 3 × 521 × 13751

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492813	Product of the distinct prime numbers

The prime factorization of 21492813 is 3 × 521 × 13751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 85, 82, 673, 337, 9563, 4567, 93735, 74461, 520339, 556176, 966148, 3688108, 81451756, 72925438, 27267805, 665846103, 4021925344, 5502694869

Basic calculations (n = 21492813)

Multiplication

n×y

n×2	42985626
n×3	64478439
n×4	85971252
n×5	107464065

Division

n÷y

n÷2	10746406.5
n÷3	7164271
n÷3	5373203.25
n÷5	4298562.6

Exponentiation

n^y

n²	461941010652969
n³	9.9284117589953E+21
n⁴	2.1338949732309E+29
n⁵	4.5863405621291E+36

Nth Root

^y√n

²√n	4636.0341888299
³√n	278.03390111561
⁴√n	68.088429184627
⁵√n	29.272421634348

Divisors of 21492813

1, 3, 521, 1563, 13751, 41253, 7164271, 21492813

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	-21492812	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 21492813 can be divided by 8 positive divisors. The sum of these divisors (counting 21492813) is 1, the average is 0.125.

Base conversion 21492813

Base	System	Value
2	Binary	1010001111111010001001101
3	Ternary	1111102221121010
4	Quaternary	1101333101031
5	Quinary	21000232223
6	Senary	2044355433
8	Octal	121772115
10	Decimal	21492813
12	Duodecimal	7245b79
16	Hexadecimal	147f44d
20	Vigesimal	6e6c0d
36	Base36	csnyl

Cryptographic Hash Functions

md5	4b993d6c68ae15c9a16eef3cbfd5d428
sha1	1c421b3f3021c8a45507ced710f83335c467b8e4
sha256	f500428cf3edcaf969eae8d3efe88e6ab84db77e430cf3d43b35d011a8575bad
sha512	939b0857fa47d259ff0b5aab8ecd9548241d584936be9947406446a007ba3f92c533e4bfff4864ce48d86d04a0a0c65eaf2e0dd94e2b3ca06c46ef910957ee06
ripemd-160	f6e0daeede25ca961992c4088c99f982014efa27

21492813 as geometric shapes

Circle

Radius = n

Diameter	42985626
Circumference	135043326.85156
Area	1.4512304854592E+15

Sphere

Radius = n

Volume	4.1588033925165E+22
Surface area	5.8049219418368E+15
Circumference	135043326.85156

Square

Length = n

Perimeter	85971252
Area	461941010652969
Diagonal	30395427.638149

Cube

Length = n

Surface area	2771646063917814
Volume	9.9284117589953E+21
Space diagonal	37226644.113577

Equilateral Triangle

Length = n

Perimeter	64478439
Area	2.0002632513766E+14
Altitude	18613322.056788

Triangular Pyramid

Length = n

Surface area	2.0002632513766E+14
Volume	1.1700745468663E+21
Height	10131809.212716