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

21131731 (number)

21131731 is an odd 8-digits composite number following 21131730 and preceding 21131732. In scientific notation, it is written as 2.1131731 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19819008 positive integers (up to 21131731) that are relatively prime to 21131731.

Interesting facts

21131731 has 8 divisors, whose sum is 22453200
The reverse of 21131731 is 13713112
Previous prime number is 307

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	2.1131731 × 10^7
Engineering notation	2.1131731 × 10^6

Prime Factorization of 21131731

Prime Factorization 17 × 307 × 4049

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131731	Product of the distinct prime numbers

The prime factorization of 21131731 is 17 × 307 × 4049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 6, 52, 376, 468, 4640, 7667, 17702, 24642, 230206, 807959, 4317196, 1214354, 83977590, 26236340, 400349201, 966032363, 9328590835, 4831812133

Basic calculations (n = 21131731)

Multiplication

n×y

n×2	42263462
n×3	63395193
n×4	84526924
n×5	105658655

Division

n÷y

n÷2	10565865.5
n÷3	7043910.3333333
n÷3	5282932.75
n÷5	4226346.2

Exponentiation

n^y

n²	446550055056361
n³	9.4363756414862E+21
n⁴	1.9940695167084E+29
n⁵	4.2138140622382E+36

Nth Root

^y√n

²√n	4596.9262556626
³√n	276.46809786855
⁴√n	67.800636100722
⁵√n	29.173397851094

Divisors of 21131731

1, 17, 307, 4049, 5219, 68833, 1243043, 21131731

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	-21131730	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 21131731 can be divided by 8 positive divisors. The sum of these divisors (counting 21131731) is 1, the average is 0.125.

Base conversion 21131731

Base	System	Value
2	Binary	1010000100111000111010011
3	Ternary	1110202121021201
4	Quaternary	1100213013103
5	Quinary	20402203411
6	Senary	2032532031
8	Octal	120470723
10	Decimal	21131731
12	Duodecimal	70b1017
16	Hexadecimal	14271d3
20	Vigesimal	6c196b
36	Base36	ckxcj

Cryptographic Hash Functions

md5	092bb1d12ac3370092dce2863c4b2ac8
sha1	4a3c76dad8f34cd17918518d74a4051f11bde9cd
sha256	f01bd7c2379107912408224ea78293cf5536016ffdbfddfda512642abf0f07ad
sha512	a93b05be3a2a40f17290b01d74084ab6df43df6b64726bd7c61afee79f53da881d0f0b29f7ac2d849d9336336ed0c40cd09b1096acc2a46a03700716fbbf99f8
ripemd-160	5222fc2165935ac965fb91c7f118232f7e99c8bd

21131731 as geometric shapes

Circle

Radius = n

Diameter	42263462
Circumference	132774581.73447
Area	1.4028783724252E+15

Sphere

Radius = n

Volume	3.9526997855742E+22
Surface area	5.6115134897007E+15
Circumference	132774581.73447

Square

Length = n

Perimeter	84526924
Area	446550055056361
Diagonal	29884780.57662

Cube

Length = n

Surface area	2679300330338166
Volume	9.4363756414862E+21
Space diagonal	36601231.743878

Equilateral Triangle

Length = n

Perimeter	63395193
Area	1.9336184587007E+14
Altitude	18300615.871939

Triangular Pyramid

Length = n

Surface area	1.9336184587007E+14
Volume	1.1120875343197E+21
Height	9961593.52554