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

21131311 (number)

21131311 is an odd 8-digits composite number following 21131310 and preceding 21131312. In scientific notation, it is written as 2.1131311 × 10^7. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 21048832 positive integers (up to 21131311) that are relatively prime to 21131311.

Interesting facts

21131311 has 4 divisors, whose sum is 21213792
The reverse of 21131311 is 11313112
Previous prime number is 257

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4

Name

Name	twenty-one million one hundred thirty-one thousand three hundred eleven

Notation

Scientific notation	2.1131311 × 10^7
Engineering notation	2.1131311 × 10^6

Prime Factorization of 21131311

Prime Factorization 257 × 82223

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131311	Product of the distinct prime numbers

The prime factorization of 21131311 is 257 × 82223. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 99, 84, 913, 474, 7336, 9230, 97540, 5109, 923342, 472555, 8991847, 4656920, 49812906, 83319681, 991248526, 114121454, 5169575574, 9795596065

Basic calculations (n = 21131311)

Multiplication

n×y

n×2	42262622
n×3	63393933
n×4	84525244
n×5	105656555

Division

n÷y

n÷2	10565655.5
n÷3	7043770.3333333
n÷3	5282827.75
n÷5	4226262.2

Exponentiation

n^y

n²	446532304578721
n³	9.4358129995997E+21
n⁴	1.9939109903238E+29
n⁵	4.2133953242851E+36

Nth Root

^y√n

²√n	4596.8805727363
³√n	276.46626622541
⁴√n	67.800299208309
⁵√n	29.173281884025

Divisors of 21131311

1, 257, 82223, 21131311

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	-21131310	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 21131311 can be divided by 4 positive divisors. The sum of these divisors (counting 21131311) is 1, the average is 0.25.

Base conversion 21131311

Base	System	Value
2	Binary	1010000100111000000101111
3	Ternary	1110202120201011
4	Quaternary	1100213000233
5	Quinary	20402200221
6	Senary	2032530051
8	Octal	120470057
10	Decimal	21131311
12	Duodecimal	70b0927
16	Hexadecimal	142702f
20	Vigesimal	6c185b
36	Base36	ckx0v

Cryptographic Hash Functions

md5	33379d8f422cb8e2c2465d6fa93d9117
sha1	d5778c260f768b596ab9f5076eff9cb1d1047621
sha256	a2f7681f1242d92d3520d5b93544e800c275e32ca64533ddb80543fa6e7418ac
sha512	4fbf95e581e2d40dd8c6ecfe37e50b925241b37a8e8947d9f96e16bfdb9747d3ac33d4de49dc5cdc5683dfbdeb38df2ded6f9787e97c20aa5cdb949c2d6639e0
ripemd-160	8ff5d3e93332ecc24d46ed9c43ae9688c7216b63

21131311 as geometric shapes

Circle

Radius = n

Diameter	42262622
Circumference	132771942.79664
Area	1.402822607655E+15

Sphere

Radius = n

Volume	3.9524641066919E+22
Surface area	5.6112904306201E+15
Circumference	132771942.79664

Square

Length = n

Perimeter	84525244
Area	446532304578721
Diagonal	29884186.606924

Cube

Length = n

Surface area	2679193827472326
Volume	9.4358129995997E+21
Space diagonal	36600504.282539

Equilateral Triangle

Length = n

Perimeter	63393933
Area	1.9335415968779E+14
Altitude	18300252.14127

Triangular Pyramid

Length = n

Surface area	1.9335415968779E+14
Volume	1.1120212263375E+21
Height	9961395.5356413