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

21243845 (number)

21243845 is an odd 8-digits composite number following 21243844 and preceding 21243846. In scientific notation, it is written as 2.1243845 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 14567184 positive integers (up to 21243845) that are relatively prime to 21243845.

Interesting facts

21243845 has 4 divisors, whose sum is 21850848
The reverse of 21243845 is 54834212
Previous prime number is 35

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million two hundred forty-three thousand eight hundred forty-five

Notation

Scientific notation	2.1243845 × 10^7
Engineering notation	2.1243845 × 10^6

Prime Factorization of 21243845

Prime Factorization 35 × 606967

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21243845	Product of the distinct prime numbers

The prime factorization of 21243845 is 35 × 606967. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 50, 89, 147, 757, 5230, 5429, 85340, 4833, 560522, 315628, 1113576, 4912086, 35449004, 96296219, 534383088, 593739987, 9681011024, 6739636066

Basic calculations (n = 21243845)

Multiplication

n×y

n×2	42487690
n×3	63731535
n×4	84975380
n×5	106219225

Division

n÷y

n÷2	10621922.5
n÷3	7081281.6666667
n÷3	5310961.25
n÷5	4248769

Exponentiation

n^y

n²	451300950384025
n³	9.5873674383109E+21
n⁴	2.0367254781752E+29
n⁵	4.3267880365906E+36

Nth Root

^y√n

²√n	4609.1045768132
³√n	276.95616782667
⁴√n	67.890386483015
⁵√n	29.204288147657

Divisors of 21243845

1, 35, 606967, 21243845

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21243844	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243845 can be divided by 4 positive divisors. The sum of these divisors (counting 21243845) is 1, the average is 0.25.

Base conversion 21243845

Base	System	Value
2	Binary	1010001000010011111000101
3	Ternary	1110222022002002
4	Quaternary	1101002133011
5	Quinary	20414300340
6	Senary	2035155045
8	Octal	121023705
10	Decimal	21243845
12	Duodecimal	7145a85
16	Hexadecimal	14427c5
20	Vigesimal	6cf9c5
36	Base36	cnbut

Cryptographic Hash Functions

md5	c60afcfcf75ceaa4507e047ccb73e219
sha1	125960c0e8a6956b024d9c5943dc1ee92abe3677
sha256	a30a3ffbc9924e0f522164bf2c0239389a0cd98963ad754163a303cd5653110c
sha512	6e2dc8e867e929878ad3c971ff022c98875d24f9d89d76a4ee1d419f53a25a3fb42862a9aaeb180560e257675319c28b42583dba5a8cf93d37210dfe9ef49444
ripemd-160	0299c9172cb64bed65ca2c6eb4ce7f199a0e42ba

21243845 as geometric shapes

Circle

Radius = n

Diameter	42487690
Circumference	133479014.772
Area	1.4178037502845E+15

Sphere

Radius = n

Volume	4.0159470815285E+22
Surface area	5.6712150011382E+15
Circumference	133479014.772

Square

Length = n

Perimeter	84975380
Area	451300950384025
Diagonal	30043333.715952

Cube

Length = n

Surface area	2707805702304150
Volume	9.5873674383109E+21
Space diagonal	36795418.888118

Equilateral Triangle

Length = n

Perimeter	63731535
Area	1.9541904389231E+14
Altitude	18397709.444059

Triangular Pyramid

Length = n

Surface area	1.9541904389231E+14
Volume	1.1298820882261E+21
Height	10014444.571984