21231461 (number)

21231461 is an odd 8-digits composite number following 21231460 and preceding 21231462. In scientific notation, it is written as 2.1231461 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20308332 positive integers (up to 21231461) that are relatively prime to 21231461.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand four hundred sixty-one

Notation

Scientific notation 2.1231461 × 10^7
Engineering notation 2.1231461 × 10^6

Prime Factorization of 21231461

Prime Factorization 23 × 923107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21231461
Product of the distinct prime numbers

The prime factorization of 21231461 is 23 × 923107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231461)

Multiplication

n×y
n×2 42462922
n×3 63694383
n×4 84925844
n×5 106157305

Division

n÷y
n÷2 10615730.5
n÷3 7077153.6666667
n÷3 5307865.25
n÷5 4246292.2

Exponentiation

ny
n2 450774936194521
n3 9.5706104775915E+21
n4 2.0319804310117E+29
n5 4.3141913273789E+36

Nth Root

y√n
2√n 4607.7609530009
3√n 276.90234059867
4√n 67.880490223634
5√n 29.200882452817

Divisors of 21231461

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 -21231460
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 21231461 can be divided by 4 positive divisors. The sum of these divisors (counting 21231461) is 1, the average is 0.25.

Base conversion 21231461

Base System Value
2 Binary 1010000111111011101100101
3 Ternary 1110221200002102
4 Quaternary 1100333131211
5 Quinary 20413401321
6 Senary 2035021445
8 Octal 120773545
10 Decimal 21231461
12 Duodecimal 713a885
16 Hexadecimal 143f765
20 Vigesimal 6cdid1
36 Base36 cn2at

Cryptographic Hash Functions

md5 2c687a1a9e32356ad383088a494c0064
sha1 8242d47d28e80f1479d1717da2562395089a17f3
sha256 31311af48ed6ee7224cbeeca2a0ec2ac9686deda894c90b93ba6d3deb482dfde
sha512 35020a299e7101089b2df1f71ba0454b678abc3d29ff02255f1b99246efcdab59d5f94e998e6445accd2de6bc92431c0cafab063815fb71652d23622076e0a8c
ripemd-160 75688c83c9da32c319470ce6c961e35584f76e9d

21231461 as geometric shapes

Circle

Radius = n
Diameter 42462922
Circumference 133401203.80516
Area 1.4161512279711E+15

Sphere

Radius = n
Volume 4.0089279422361E+22
Surface area 5.6646049118845E+15
Circumference 133401203.80516

Square

Length = n
Perimeter 84925844
Area 450774936194521
Diagonal 30025820.095195

Cube

Length = n
Surface area 2704649617167126
Volume 9.5706104775915E+21
Space diagonal 36773969.170917

Equilateral Triangle

Length = n
Perimeter 63694383
Area 1.9519127306688E+14
Altitude 18386984.585459

Triangular Pyramid

Length = n
Surface area 1.9519127306688E+14
Volume 1.1279072614667E+21
Height 10008606.698398