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

21131909 (number)

21131909 is an odd 8-digits composite number following 21131908 and preceding 21131910. In scientific notation, it is written as 2.1131909 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 21121920 positive integers (up to 21131909) that are relatively prime to 21131909.

Interesting facts

21131909 has 4 divisors, whose sum is 21141900
The reverse of 21131909 is 90913112
Previous prime number is 3041

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million one hundred thirty-one thousand nine hundred nine

Notation

Scientific notation	2.1131909 × 10^7
Engineering notation	2.1131909 × 10^6

Prime Factorization of 21131909

Prime Factorization 3041 × 6949

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131909	Product of the distinct prime numbers

The prime factorization of 21131909 is 3041 × 6949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 75, 54, 788, 761, 2653, 1026, 22539, 80565, 17413, 473663, 2467259, 6582053, 2042444, 23522066, 723494193, 689707203, 6598644731, 4744716191

Basic calculations (n = 21131909)

Multiplication

n×y

n×2	42263818
n×3	63395727
n×4	84527636
n×5	105659545

Division

n÷y

n÷2	10565954.5
n÷3	7043969.6666667
n÷3	5282977.25
n÷5	4226381.8

Exponentiation

n^y

n²	446557577984281
n³	9.4366141012242E+21
n⁴	1.9941367045519E+29
n⁵	4.213991537415E+36

Nth Root

^y√n

²√n	4596.9456163849
³√n	276.46887412903
⁴√n	67.80077887742
⁵√n	29.173446998485

Divisors of 21131909

1, 3041, 6949, 21131909

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	-21131908	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 21131909 can be divided by 4 positive divisors. The sum of these divisors (counting 21131909) is 1, the average is 0.25.

Base conversion 21131909

Base	System	Value
2	Binary	1010000100111001010000101
3	Ternary	1110202121112022
4	Quaternary	1100213022011
5	Quinary	20402210114
6	Senary	2032532525
8	Octal	120471205
10	Decimal	21131909
12	Duodecimal	70b1145
16	Hexadecimal	1427285
20	Vigesimal	6c19f9
36	Base36	ckxhh

Cryptographic Hash Functions

md5	8d4c20aeb99785c2ad8c5141cdfe9052
sha1	396e1ed82822ef646e13242b55100f48cdaa72fc
sha256	2426c6d4785ecfb974e5af1287d202a1f59b4153baf60b06132725e4f10416fb
sha512	3f6c47da21745b77d417b93069b12fb761ff6c9de0781bfe5978fdfb9e076940d4df007d03a442603d4d00137c6d723eaed5da87b57239ecc72bc6aee8713f4d
ripemd-160	4023d16a56b647de52d5ae4a395b1a4f9ecba317

21131909 as geometric shapes

Circle

Radius = n

Diameter	42263818
Circumference	132775700.14146
Area	1.4029020064003E+15

Sphere

Radius = n

Volume	3.9527996713557E+22
Surface area	5.6116080256011E+15
Circumference	132775700.14146

Square

Length = n

Perimeter	84527636
Area	446557577984281
Diagonal	29885032.306634

Cube

Length = n

Surface area	2679345467905686
Volume	9.4366141012242E+21
Space diagonal	36601540.048922

Equilateral Triangle

Length = n

Perimeter	63395727
Area	1.9336510339342E+14
Altitude	18300770.024461

Triangular Pyramid

Length = n

Surface area	1.9336510339342E+14
Volume	1.1121156370694E+21
Height	9961677.4355447