21431311 (number)

21431311 is an odd 8-digits composite number following 21431310 and preceding 21431312. In scientific notation, it is written as 2.1431311 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19483000 positive integers (up to 21431311) that are relatively prime to 21431311.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand three hundred eleven

Notation

Scientific notation 2.1431311 × 10^7
Engineering notation 2.1431311 × 10^6

Prime Factorization of 21431311

Prime Factorization 11 × 1948301

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431311
Product of the distinct prime numbers

The prime factorization of 21431311 is 11 × 1948301. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431311)

Multiplication

n×y
n×2 42862622
n×3 64293933
n×4 85725244
n×5 107156555

Division

n÷y
n÷2 10715655.5
n÷3 7143770.3333333
n÷3 5357827.75
n÷5 4286262.2

Exponentiation

ny
n2 459301091178721
n3 9.8434245276905E+21
n4 2.1095749235796E+29
n5 4.5210956265036E+36

Nth Root

y√n
2√n 4629.3963969399
3√n 277.76844839185
4√n 68.039667819147
5√n 29.255649733261

Divisors of 21431311

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 -21431310
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 21431311 can be divided by 4 positive divisors. The sum of these divisors (counting 21431311) is 1, the average is 0.25.

Base conversion 21431311

Base System Value
2 Binary 1010001110000010000001111
3 Ternary 1111022211020021
4 Quaternary 1101300100033
5 Quinary 20441300221
6 Senary 2043203011
8 Octal 121602017
10 Decimal 21431311
12 Duodecimal 7216467
16 Hexadecimal 147040f
20 Vigesimal 6dii5b
36 Base36 crci7

Cryptographic Hash Functions

md5 c47cfdc6d44526f13b212a9924cf06b4
sha1 a7925cf9556c29856657f103580c2add48935834
sha256 0c57abc2d4f47fa971e9ede3d514e51077f94e1b6890f66049ecd008b0010fbb
sha512 9bfecc4d834e056a952931e3c3dacccd4947d926cdeb16b09aa7d7c9505c333342fbf80c20345aadfc01e70fb125158eb36731b45b7911a11b437b7122c4ac8d
ripemd-160 9ed27a20df6134811f53f6c10b1ac46c1485411c

21431311 as geometric shapes

Circle

Radius = n
Diameter 42862622
Circumference 134656898.3888
Area 1.4429369338328E+15

Sphere

Radius = n
Volume 4.1232040243144E+22
Surface area 5.7717477353314E+15
Circumference 134656898.3888

Square

Length = n
Perimeter 85725244
Area 459301091178721
Diagonal 30308450.675636

Cube

Length = n
Surface area 2755806547072326
Volume 9.8434245276905E+21
Space diagonal 37120119.52481

Equilateral Triangle

Length = n
Perimeter 64293933
Area 1.9888320647334E+14
Altitude 18560059.762405

Triangular Pyramid

Length = n
Surface area 1.9888320647334E+14
Volume 1.1600587056047E+21
Height 10102816.891879