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

21031729 (number)

21031729 is an odd 8-digits composite number following 21031728 and preceding 21031730. In scientific notation, it is written as 2.1031729 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19625760 positive integers (up to 21031729) that are relatively prime to 21031729.

Interesting facts

21031729 has 8 divisors, whose sum is 22482432
The reverse of 21031729 is 92713012
Previous prime number is 23

Basic properties

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

Name

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

Notation

Scientific notation	2.1031729 × 10^7
Engineering notation	2.1031729 × 10^6

Prime Factorization of 21031729

Prime Factorization 41 × 23 × 22303

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031729	Product of the distinct prime numbers

The prime factorization of 21031729 is 41 × 23 × 22303. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 10, 6, 679, 387, 3927, 3749, 37445, 88633, 15411, 769913, 9661674, 500781, 35557951, 39813990, 527847547, 376772609, 9646956965, 311972542

Basic calculations (n = 21031729)

Multiplication

n×y

n×2	42063458
n×3	63095187
n×4	84126916
n×5	105158645

Division

n÷y

n÷2	10515864.5
n÷3	7010576.3333333
n÷3	5257932.25
n÷5	4206345.8

Exponentiation

n^y

n²	442333624729441
n³	9.3030409228973E+21
n⁴	1.9565903556629E+29
n⁵	4.1150478124315E+36

Nth Root

^y√n

²√n	4586.0363060054
³√n	276.03129677306
⁴√n	67.720279872468
⁵√n	29.145733896042

Divisors of 21031729

1, 23, 41, 943, 22303, 512969, 914423, 21031729

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	-21031728	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 21031729 can be divided by 8 positive divisors. The sum of these divisors (counting 21031729) is 1, the average is 0.125.

Base conversion 21031729

Base	System	Value
2	Binary	1010000001110101100110001
3	Ternary	1110120112002221
4	Quaternary	1100032230301
5	Quinary	20341003404
6	Senary	2030441041
8	Octal	120165461
10	Decimal	21031729
12	Duodecimal	7063181
16	Hexadecimal	140eb31
20	Vigesimal	6b8j69
36	Base36	cis6p

Cryptographic Hash Functions

md5	901b4502c02cb1760414886ee7d0dd21
sha1	d7778882465c13c501f8b77d04431152f55e6640
sha256	6a2d91422623be9cfc3f5e711d74968cfb310c1de3a2c10c673b5e9b37f7d25e
sha512	61bbfed095d2c7681cb2f7fb01ee5fe56fcb4d306d29bdcf46ca5604ef705d901d6f11fb2961fd80a96cc8aefc6cd24995da3e067fa0021aeb5ad5f10f278266
ripemd-160	9f44f6e9b93613b4c5fea6642da671f627791df8

21031729 as geometric shapes

Circle

Radius = n

Diameter	42063458
Circumference	132146250.63738
Area	1.3896320658858E+15

Sphere

Radius = n

Volume	3.8968486692559E+22
Surface area	5.558528263543E+15
Circumference	132146250.63738

Square

Length = n

Perimeter	84126916
Area	442333624729441
Diagonal	29743356.391956

Cube

Length = n

Surface area	2654001748376646
Volume	9.3030409228973E+21
Space diagonal	36428023.19902

Equilateral Triangle

Length = n

Perimeter	63095187
Area	1.9153607798187E+14
Altitude	18214011.59951

Triangular Pyramid

Length = n

Surface area	1.9153607798187E+14
Volume	1.0963738870394E+21
Height	9914452.1306518