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

21105897 (number)

21105897 is an odd 8-digits composite number following 21105896 and preceding 21105898. In scientific notation, it is written as 2.1105897 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14070596 positive integers (up to 21105897) that are relatively prime to 21105897.

Interesting facts

21105897 has 4 divisors, whose sum is 28141200
The reverse of 21105897 is 79850112
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million one hundred five thousand eight hundred ninety-seven

Notation

Scientific notation	2.1105897 × 10^7
Engineering notation	2.1105897 × 10^6

Prime Factorization of 21105897

Prime Factorization 3 × 7035299

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21105897	Product of the distinct prime numbers

The prime factorization of 21105897 is 3 × 7035299. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 60, 30, 31, 643, 4155, 3182, 32873, 65859, 392962, 834143, 5746912, 1876280, 31163362, 43478715, 210843387, 277819734, 4658584906, 9070029987

Basic calculations (n = 21105897)

Multiplication

n×y

n×2	42211794
n×3	63317691
n×4	84423588
n×5	105529485

Division

n÷y

n÷2	10552948.5
n÷3	7035299
n÷3	5276474.25
n÷5	4221179.4

Exponentiation

n^y

n²	445458888174609
n³	9.4018094115478E+21
n⁴	1.9843362105376E+29
n⁵	4.1881195672977E+36

Nth Root

^y√n

²√n	4594.1154752575
³√n	276.35538917551
⁴√n	67.779904656598
⁵√n	29.166261337955

Divisors of 21105897

1, 3, 7035299, 21105897

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	-21105896	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 21105897 can be divided by 4 positive divisors. The sum of these divisors (counting 21105897) is 1, the average is 0.25.

Base conversion 21105897

Base	System	Value
2	Binary	1010000100000110011101001
3	Ternary	1110201021211220
4	Quaternary	1100200303221
5	Quinary	20400342042
6	Senary	2032212253
8	Octal	120406351
10	Decimal	21105897
12	Duodecimal	709a089
16	Hexadecimal	1420ce9
20	Vigesimal	6bi4eh
36	Base36	ckdex

Cryptographic Hash Functions

md5	855ab7325128de904f44aaa389388cd7
sha1	c0635963ffbcebc0f8852f2c821483fbf3626af8
sha256	a9f0d9ee0dea4854c287273e4c5e2371c14d2e7d687c9eed0c40490de5c951c7
sha512	3e22351fd619abe41ccccfb110b95e2ce142c3bd9f5c3bbae60f457c621587427d9dd7363bc93904716f0eece8f578a33462bfd617a17ed6c636dc541b08f2c7
ripemd-160	2f8f5084c15c09e612abe7745079b97dc43f99c4

21105897 as geometric shapes

Circle

Radius = n

Diameter	42211794
Circumference	132612261.92525
Area	1.3994503705656E+15

Sphere

Radius = n

Volume	3.938220717036E+22
Surface area	5.5978014822625E+15
Circumference	132612261.92525

Square

Length = n

Perimeter	84423588
Area	445458888174609
Diagonal	29848245.78345

Cube

Length = n

Surface area	2672753329047654
Volume	9.4018094115478E+21
Space diagonal	36556485.943316

Equilateral Triangle

Length = n

Perimeter	63317691
Area	1.9288935675039E+14
Altitude	18278242.971658

Triangular Pyramid

Length = n

Surface area	1.9288935675039E+14
Volume	1.1080138650548E+21
Height	9949415.2611499