21431331 (number)

21431331 is an odd 8-digits composite number following 21431330 and preceding 21431332. In scientific notation, it is written as 2.1431331 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13665960 positive integers (up to 21431331) that are relatively prime to 21431331.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431331 × 10^7
Engineering notation 2.1431331 × 10^6

Prime Factorization of 21431331

Prime Factorization 207 × 3 × 34511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21431331
Product of the distinct prime numbers

The prime factorization of 21431331 is 207 × 3 × 34511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431331)

Multiplication

n×y
n×2 42862662
n×3 64293993
n×4 85725324
n×5 107156655

Division

n÷y
n÷2 10715665.5
n÷3 7143777
n÷3 5357832.75
n÷5 4286266.2

Exponentiation

ny
n2 459301948431561
n3 9.8434520857817E+21
n4 2.1095827983303E+29
n5 4.5211167222923E+36

Nth Root

y√n
2√n 4629.3985570482
3√n 277.76853479763
4√n 68.039683693035
5√n 29.255655193615

Divisors of 21431331

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 -21431330
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 21431331 can be divided by 8 positive divisors. The sum of these divisors (counting 21431331) is 1, the average is 0.125.

Base conversion 21431331

Base System Value
2 Binary 1010001110000010000100011
3 Ternary 1111022211021000
4 Quaternary 1101300100203
5 Quinary 20441300311
6 Senary 2043203043
8 Octal 121602043
10 Decimal 21431331
12 Duodecimal 7216483
16 Hexadecimal 1470423
20 Vigesimal 6dii6b
36 Base36 crcir

Cryptographic Hash Functions

md5 19fbf6cb37bab77424e7bd26868a29a6
sha1 e0015cb70b5a96b40669dbd59ada966acc7db5b7
sha256 1ad7cf8e8589806d048980803401412ff973bab3afb88551d8bfe58c6fe5fc5a
sha512 8716a47affdc0ad5409d56a3bd0fb2c01deb00d02a23726db5aa1e7724ca2ca5b0cbe353536ff656faa3688b29717eb97a70aa446a9ba89417c64d3f38b1a1b0
ripemd-160 0e09dd8485c4d28852cd0d352d5a56c5f53fc3fb

21431331 as geometric shapes

Circle

Radius = n
Diameter 42862662
Circumference 134657024.0525
Area 1.4429396269721E+15

Sphere

Radius = n
Volume 4.1232155678207E+22
Surface area 5.7717585078883E+15
Circumference 134657024.0525

Square

Length = n
Perimeter 85725324
Area 459301948431561
Diagonal 30308478.959907

Cube

Length = n
Surface area 2755811690589366
Volume 9.8434520857817E+21
Space diagonal 37120154.165826

Equilateral Triangle

Length = n
Perimeter 64293993
Area 1.9888357767471E+14
Altitude 18560077.082913

Triangular Pyramid

Length = n
Surface area 1.9888357767471E+14
Volume 1.1600619533569E+21
Height 10102826.319969