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

21105065 (number)

21105065 is an odd 8-digits composite number following 21105064 and preceding 21105066. In scientific notation, it is written as 2.1105065 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16762032 positive integers (up to 21105065) that are relatively prime to 21105065.

Interesting facts

21105065 has 8 divisors, whose sum is 25509120
The reverse of 21105065 is 56050112
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million one hundred five thousand sixty-five

Notation

Scientific notation	2.1105065 × 10^7
Engineering notation	2.1105065 × 10^6

Prime Factorization of 21105065

Prime Factorization 5 × 139 × 30367

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21105065	Product of the distinct prime numbers

The prime factorization of 21105065 is 5 × 139 × 30367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 42, 28, 536, 797, 7441, 6413, 79011, 86990, 458071, 867948, 7746842, 3655927, 36293364, 83761590, 257394381, 162560214, 3325729251, 9670809652

Basic calculations (n = 21105065)

Multiplication

n×y

n×2	42210130
n×3	63315195
n×4	84420260
n×5	105525325

Division

n÷y

n÷2	10552532.5
n÷3	7035021.6666667
n÷3	5276266.25
n÷5	4221013

Exponentiation

n^y

n²	445423768654225
n³	9.4006975899924E+21
n⁴	1.9840233368213E+29
n⁵	4.1872941485131E+36

Nth Root

^y√n

²√n	4594.0249237461
³√n	276.35175779379
⁴√n	67.779236671314
⁵√n	29.166031385993

Divisors of 21105065

1, 5, 139, 695, 30367, 151835, 4221013, 21105065

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	-21105064	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 21105065 can be divided by 8 positive divisors. The sum of these divisors (counting 21105065) is 1, the average is 0.125.

Base conversion 21105065

Base	System	Value
2	Binary	1010000100000100110101001
3	Ternary	1110201020201002
4	Quaternary	1100200212221
5	Quinary	20400330230
6	Senary	2032204345
8	Octal	120404651
10	Decimal	21105065
12	Duodecimal	70996b5
16	Hexadecimal	14209a9
20	Vigesimal	6bi2d5
36	Base36	ckcrt

Cryptographic Hash Functions

md5	0e7c0a593d8def6789affb993491f87d
sha1	718fe7cd3976a74202e1f7aba4eda420f3ecc0c0
sha256	0d9d5171cfa5d8fd0ff138a159ad5c8ce5fdb98191dd5776a80fa3de02ae6b4d
sha512	e0bd71b7156108cdbc6048e147c4b476959b0872c7c89d01767bac86a3648f459b355f9cc016cc6ce517253cdd6f779aeaafec9fa3bd2fb74e4579d85bfe8b82
ripemd-160	cf98af463dbbef30e1c5db9be03275df493fe957

21105065 as geometric shapes

Circle

Radius = n

Diameter	42210130
Circumference	132607034.31507
Area	1.3993400393384E+15

Sphere

Radius = n

Volume	3.9377549983119E+22
Surface area	5.5973601573536E+15
Circumference	132607034.31507

Square

Length = n

Perimeter	84420260
Area	445423768654225
Diagonal	29847069.157766

Cube

Length = n

Surface area	2672542611925350
Volume	9.4006975899924E+21
Space diagonal	36555044.877044

Equilateral Triangle

Length = n

Perimeter	63315195
Area	1.9287414955198E+14
Altitude	18277522.438522

Triangular Pyramid

Length = n

Surface area	1.9287414955198E+14
Volume	1.1078828356279E+21
Height	9949023.0525886