21331640 (number)

21331640 is an even 8-digits composite number following 21331639 and preceding 21331641. In scientific notation, it is written as 2.1331640 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 32 positive divisors. There are 7756800 positive integers (up to 21331640) that are relatively prime to 21331640.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred thirty-one thousand six hundred forty

Notation

Scientific notation 2.1331640 × 10^7
Engineering notation 2.1331640 × 10^6

Prime Factorization of 21331640

Prime Factorization 2 × 2 × 2 × 5 × 11 × 48481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5332910
Product of the distinct prime numbers

The prime factorization of 21331640 is 2 × 2 × 2 × 5 × 11 × 48481. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21331640)

Multiplication

n×y
n×2 42663280
n×3 63994920
n×4 85326560
n×5 106658200

Division

n÷y
n÷2 10665820
n÷3 7110546.6666667
n÷3 5332910
n÷5 4266328

Exponentiation

ny
n2 455038865089600
n3 9.7067252560999E+21
n4 2.0706036874203E+29
n5 4.4169372442723E+36

Nth Root

y√n
2√n 4618.6188411689
3√n 277.33717147261
4√n 67.960421137371
5√n 29.228387009695

Divisors of 21331640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21331639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21331640 can be divided by 32 positive divisors. The sum of these divisors (counting 21331640) is 1, the average is 0.03125.

Base conversion 21331640

Base System Value
2 Binary 1010001010111111010111000
3 Ternary 1111010202111202
4 Quaternary 1101113322320
5 Quinary 20430103030
6 Senary 2041113332
8 Octal 121277270
10 Decimal 21331640
12 Duodecimal 7188848
16 Hexadecimal 1457eb8
20 Vigesimal 6d6920
36 Base36 cp7lk

Cryptographic Hash Functions

md5 989b37701bfa3a32d248b999c94679b9
sha1 da90b70df2ad202f773f992b4f6d96247ffc35c7
sha256 65ecaec0b9e12e27320c6270892178773df95975c6ee105b93b922902ae113c2
sha512 4862b77b95da57e72e0c9d33c4594cac18f83f117fc57004d84fb85e508ad74ac4e1a05409aed826dc70efc19294fe669a0e98df96b9c0d439b589e859a3b690
ripemd-160 ba7cf9f4151164140e3c1da398347eb57d7a8fd8

21331640 as geometric shapes

Circle

Radius = n
Diameter 42663280
Circumference 134030647.02604
Area 1.4295467556633E+15

Sphere

Radius = n
Volume 4.0659435673304E+22
Surface area 5.7181870226533E+15
Circumference 134030647.02604

Square

Length = n
Perimeter 85326560
Area 455038865089600
Diagonal 30167494.59566

Cube

Length = n
Surface area 2730233190537600
Volume 9.7067252560999E+21
Space diagonal 36947484.288769

Equilateral Triangle

Length = n
Perimeter 63994920
Area 1.9703760843842E+14
Altitude 18473742.144384

Triangular Pyramid

Length = n
Surface area 1.9703760843842E+14
Volume 1.1439485419505E+21
Height 10055831.531887