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

21049905 (number)

21049905 is an odd 8-digits composite number following 21049904 and preceding 21049906. In scientific notation, it is written as 2.1049905 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11226608 positive integers (up to 21049905) that are relatively prime to 21049905.

Interesting facts

21049905 has 8 divisors, whose sum is 33679872
The reverse of 21049905 is 50994012
Previous prime number is 5

Basic properties

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

Name

Name	twenty-one million forty-nine thousand nine hundred five

Notation

Scientific notation	2.1049905 × 10^7
Engineering notation	2.1049905 × 10^6

Prime Factorization of 21049905

Prime Factorization 3 × 5 × 1403327

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21049905	Product of the distinct prime numbers

The prime factorization of 21049905 is 3 × 5 × 1403327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 69, 6, 904, 772, 9814, 773, 83249, 55258, 543132, 488785, 1162268, 8771424, 643625, 49325820, 516931511, 49571077, 7422606549, 1597832973

Basic calculations (n = 21049905)

Multiplication

n×y

n×2	42099810
n×3	63149715
n×4	84199620
n×5	105249525

Division

n÷y

n÷2	10524952.5
n÷3	7016635
n÷3	5262476.25
n÷5	4209981

Exponentiation

n^y

n²	443098500509025
n³	9.3271813413574E+21
n⁴	1.9633628115335E+29
n⁵	4.1328600663312E+36

Nth Root

^y√n

²√n	4588.017545738
³√n	276.11079095446
⁴√n	67.734906405324
⁵√n	29.150769809404

Divisors of 21049905

1, 3, 5, 15, 1403327, 4209981, 7016635, 21049905

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	-21049904	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 21049905 can be divided by 8 positive divisors. The sum of these divisors (counting 21049905) is 1, the average is 0.125.

Base conversion 21049905

Base	System	Value
2	Binary	1010000010011001000110001
3	Ternary	1110121110001010
4	Quaternary	1100103020301
5	Quinary	20342044110
6	Senary	2031101133
8	Octal	120231061
10	Decimal	21049905
12	Duodecimal	70717a9
16	Hexadecimal	1413231
20	Vigesimal	6bb4f5
36	Base36	cj67l

Cryptographic Hash Functions

md5	a3cca291b6ea5f249614f97611775175
sha1	468d9d1a13bfd259c96e9b19497fb3a82376f4b3
sha256	dab2f7e266072febc334939e9439dd1547ad8cc1f15601b862a1f07e0b6a2bbc
sha512	7e290580715a6ff12a674f8fb579bd061946746c3829ce28550ffea4649be45e3edf2612ff68d0a0378341d6bd397c88542badc1985b43b3d0b69fd76177b800
ripemd-160	0aa82f1ae69ffd5983831b34ce3dc7609a2feff4

21049905 as geometric shapes

Circle

Radius = n

Diameter	42099810
Circumference	132260453.81353
Area	1.3920349940158E+15

Sphere

Radius = n

Volume	3.9069605840944E+22
Surface area	5.5681399760632E+15
Circumference	132260453.81353

Square

Length = n

Perimeter	84199620
Area	443098500509025
Diagonal	29769061.137665

Cube

Length = n

Surface area	2658591003054150
Volume	9.3271813413574E+21
Space diagonal	36459504.954498

Equilateral Triangle

Length = n

Perimeter	63149715
Area	1.918672789098E+14
Altitude	18229752.477249

Triangular Pyramid

Length = n

Surface area	1.918672789098E+14
Volume	1.0992188626384E+21
Height	9923020.3792217