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

21081461 (number)

21081461 is an odd 8-digits composite number following 21081460 and preceding 21081462. In scientific notation, it is written as 2.1081461 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20884332 positive integers (up to 21081461) that are relatively prime to 21081461.

Interesting facts

21081461 has 4 divisors, whose sum is 21278592
The reverse of 21081461 is 16418012
Previous prime number is 107

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million eighty-one thousand four hundred sixty-one

Notation

Scientific notation	2.1081461 × 10^7
Engineering notation	2.1081461 × 10^6

Prime Factorization of 21081461

Prime Factorization 107 × 197023

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21081461	Product of the distinct prime numbers

The prime factorization of 21081461 is 107 × 197023. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 68, 19, 235, 809, 6751, 6158, 16423, 9636, 408906, 32532, 6937382, 5698606, 80527939, 66090703, 820870273, 259847587, 4899374610, 6839288369

Basic calculations (n = 21081461)

Multiplication

n×y

n×2	42162922
n×3	63244383
n×4	84325844
n×5	105407305

Division

n÷y

n÷2	10540730.5
n÷3	7027153.6666667
n÷3	5270365.25
n÷5	4216292.2

Exponentiation

n^y

n²	444427997894521
n³	9.3691915049214E+21
n⁴	1.9751624531253E+29
n⁵	4.1639310224226E+36

Nth Root

^y√n

²√n	4591.4552159419
³√n	276.248695011
⁴√n	67.760277566889
⁵√n	29.159504581255

Divisors of 21081461

1, 107, 197023, 21081461

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	-21081460	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 21081461 can be divided by 4 positive divisors. The sum of these divisors (counting 21081461) is 1, the average is 0.25.

Base conversion 21081461

Base	System	Value
2	Binary	1010000011010110101110101
3	Ternary	1110200001022212
4	Quaternary	1100122311311
5	Quinary	20344101321
6	Senary	2031503205
8	Octal	120326565
10	Decimal	21081461
12	Duodecimal	7087b05
16	Hexadecimal	141ad75
20	Vigesimal	6bf3d1
36	Base36	cjuk5

Cryptographic Hash Functions

md5	d5e76ee45ccaae5aec04e0003789bbce
sha1	d9ef67f77121b0dd6673968d191cffc9a49103b9
sha256	56302ceb6e5f65afc19b92422cd0ff5b3d32cf75d98069151ce11314123b596e
sha512	dd816166280a8ddb51f23dad596b26180831cd43336a7985595fddcaeaf69b714856b0601e48c79a421073a39226d655f5d38070cd9f6e6dec57306982865b04
ripemd-160	a116d571cdddce7269cded65745ac6c720ae405e

21081461 as geometric shapes

Circle

Radius = n

Diameter	42162922
Circumference	132458726.00908
Area	1.396211733235E+15

Sphere

Radius = n

Volume	3.9245577602583E+22
Surface area	5.5848469329402E+15
Circumference	132458726.00908

Square

Length = n

Perimeter	84325844
Area	444427997894521
Diagonal	29813688.060839

Cube

Length = n

Surface area	2666567987367126
Volume	9.3691915049214E+21
Space diagonal	36514161.549782

Equilateral Triangle

Length = n

Perimeter	63244383
Area	1.9244296816486E+14
Altitude	18257080.774891

Triangular Pyramid

Length = n

Surface area	1.9244296816486E+14
Volume	1.1041698078942E+21
Height	9937896.0202798