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

21131386 (number)

21131386 is an even 8-digits composite number following 21131385 and preceding 21131387. In scientific notation, it is written as 2.1131386 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10565692 positive integers (up to 21131386) that are relatively prime to 21131386.

Interesting facts

21131386 has 4 divisors, whose sum is 31697082
The reverse of 21131386 is 68313112
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million one hundred thirty-one thousand three hundred eighty-six

Notation

Scientific notation	2.1131386 × 10^7
Engineering notation	2.1131386 × 10^6

Prime Factorization of 21131386

Prime Factorization 2 × 10565693

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131386	Product of the distinct prime numbers

The prime factorization of 21131386 is 2 × 10565693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 85, 25, 908, 832, 7471, 9387, 79531, 50286, 769048, 448668, 9296603, 3563354, 34224704, 33799133, 127897651, 879786877, 8441999261, 7343657384

Basic calculations (n = 21131386)

Multiplication

n×y

n×2	42262772
n×3	63394158
n×4	84525544
n×5	105656930

Division

n÷y

n÷2	10565693
n÷3	7043795.3333333
n÷3	5282846.5
n÷5	4226277.2

Exponentiation

n^y

n²	446535474280996
n³	9.4359134697248E+21
n⁴	1.9939392979135E+29
n⁵	4.213470096478E+36

Nth Root

^y√n

²√n	4596.888730435
³√n	276.46659330632
⁴√n	67.800359368037
⁵√n	29.173302592565

Divisors of 21131386

1, 2, 10565693, 21131386

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	-21131385	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 21131386 can be divided by 4 positive divisors. The sum of these divisors (counting 21131386) is 1, the average is 0.25.

Base conversion 21131386

Base	System	Value
2	Binary	1010000100111000001111010
3	Ternary	1110202120210221
4	Quaternary	1100213001322
5	Quinary	20402201021
6	Senary	2032530254
8	Octal	120470172
10	Decimal	21131386
12	Duodecimal	70b098a
16	Hexadecimal	142707a
20	Vigesimal	6c1896
36	Base36	ckx2y

Cryptographic Hash Functions

md5	95e3fdeba9b553e5f91ed341021c2e43
sha1	43141194c1b2a0b227fef66e51d7be611bcfef1c
sha256	55a71a375a8e1488fd146fa5ab2f4a0c4fac0a69de172a456cf84b6f49bdd4bd
sha512	9cfee3e16d0d83c158aaef17b38316b1efcfa72d98d300b0dbe0f73aa461f7f8fa7c489730fbe4a8f768f283202af207265e56448c4f6c2d53b440dd232a8f62
ripemd-160	ad4b648fdfd13d0e42c2b2deb780b1ae00828a03

21131386 as geometric shapes

Circle

Radius = n

Diameter	42262772
Circumference	132772414.03554
Area	1.4028325655684E+15

Sphere

Radius = n

Volume	3.9525061915195E+22
Surface area	5.6113302622736E+15
Circumference	132772414.03554

Square

Length = n

Perimeter	84525544
Area	446535474280996
Diagonal	29884292.672941

Cube

Length = n

Surface area	2679212845685976
Volume	9.4359134697248E+21
Space diagonal	36600634.18635

Equilateral Triangle

Length = n

Perimeter	63394158
Area	1.9335553220914E+14
Altitude	18300317.093175

Triangular Pyramid

Length = n

Surface area	1.9335553220914E+14
Volume	1.1120330668553E+21
Height	9961430.8909803