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

21297961 (number)

21297961 is an odd 8-digits composite number following 21297960 and preceding 21297962. In scientific notation, it is written as 2.1297961 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20610900 positive integers (up to 21297961) that are relatively prime to 21297961.

Interesting facts

21297961 has 4 divisors, whose sum is 21985024
The reverse of 21297961 is 16979212
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million two hundred ninety-seven thousand nine hundred sixty-one

Notation

Scientific notation	2.1297961 × 10^7
Engineering notation	2.1297961 × 10^6

Prime Factorization of 21297961

Prime Factorization 31 × 687031

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21297961	Product of the distinct prime numbers

The prime factorization of 21297961 is 31 × 687031. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 61, 73, 969, 330, 3119, 3874, 37459, 69689, 459369, 519954, 6384395, 8497841, 45347680, 46893646, 514671457, 536356977, 9324935587, 2965929644

Basic calculations (n = 21297961)

Multiplication

n×y

n×2	42595922
n×3	63893883
n×4	85191844
n×5	106489805

Division

n÷y

n÷2	10648980.5
n÷3	7099320.3333333
n÷3	5324490.25
n÷5	4259592.2

Exponentiation

n^y

n²	453603142757521
n³	9.6608220439271E+21
n⁴	2.057558111195E+29
n⁵	4.3821792407465E+36

Nth Root

^y√n

²√n	4614.9713975278
³√n	277.19113865368
⁴√n	67.933580779522
⁵√n	29.219151853802

Divisors of 21297961

1, 31, 687031, 21297961

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	-21297960	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 21297961 can be divided by 4 positive divisors. The sum of these divisors (counting 21297961) is 1, the average is 0.25.

Base conversion 21297961

Base	System	Value
2	Binary	1010001001111101100101001
3	Ternary	1111002001022101
4	Quaternary	1101033230221
5	Quinary	20423013321
6	Senary	2040253401
8	Octal	121175451
10	Decimal	21297961
12	Duodecimal	7171261
16	Hexadecimal	144fb29
20	Vigesimal	6d24i1
36	Base36	cohm1

Cryptographic Hash Functions

md5	32843ba594b99be6c3e64c1dbeb38cb6
sha1	f2a4c82d96d02921d741d9b16748765392f466a9
sha256	303695905a6c224b775283883d1e597ab0b06464a290c9aba35f5a5b7eedf466
sha512	7a18560c80eb87092dbfb0b3091e31f6644d7160345f35c144874771b7a4c422869ad79d4255760614d66cf20af2039f41140abf9301e26341aec33446001922
ripemd-160	864533f528049fa475cab1d388cd7a925d8c1e70

21297961 as geometric shapes

Circle

Radius = n

Diameter	42595922
Circumference	133819035.62808
Area	1.4250363009323E+15

Sphere

Radius = n

Volume	4.0467156747786E+22
Surface area	5.7001452037291E+15
Circumference	133819035.62808

Square

Length = n

Perimeter	85191844
Area	453603142757521
Diagonal	30119865.297093

Cube

Length = n

Surface area	2721618856545126
Volume	9.6608220439271E+21
Space diagonal	36889150.54962

Equilateral Triangle

Length = n

Perimeter	63893883
Area	1.9641592243224E+14
Altitude	18444575.27481

Triangular Pyramid

Length = n

Surface area	1.9641592243224E+14
Volume	1.1385387965162E+21
Height	10039955.099031