21491933 (number)

21491933 is an odd 8-digits composite number following 21491932 and preceding 21491934. In scientific notation, it is written as 2.1491933 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21482268 positive integers (up to 21491933) that are relatively prime to 21491933.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491933 × 10^7
Engineering notation 2.1491933 × 10^6

Prime Factorization of 21491933

Prime Factorization 6199 × 3467

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491933
Product of the distinct prime numbers

The prime factorization of 21491933 is 6199 × 3467. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491933)

Multiplication

n×y
n×2 42983866
n×3 64475799
n×4 85967732
n×5 107459665

Division

n÷y
n÷2 10745966.5
n÷3 7163977.6666667
n÷3 5372983.25
n÷5 4298386.6

Exponentiation

ny
n2 461903184076489
n3 9.9271922846586E+21
n4 2.1335455146E+29
n5 4.5854017252233E+36

Nth Root

y√n
2√n 4635.9392791537
3√n 278.03010646462
4√n 68.087732222139
5√n 29.272181924889

Divisors of 21491933

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 -21491932
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 21491933 can be divided by 4 positive divisors. The sum of these divisors (counting 21491933) is 1, the average is 0.25.

Base conversion 21491933

Base System Value
2 Binary 1010001111111000011011101
3 Ternary 1111102220101112
4 Quaternary 1101333003131
5 Quinary 21000220213
6 Senary 2044351405
8 Octal 121770335
10 Decimal 21491933
12 Duodecimal 7245565
16 Hexadecimal 147f0dd
20 Vigesimal 6e69gd
36 Base36 csna5

Cryptographic Hash Functions

md5 041956a787823f92a988e020bbd0d826
sha1 26bdf83432e9fe79640655d0aaa8f2389b35aec8
sha256 e8ff53d5a878b611f19fe327273ff4179a5cdd1d91aff9bd11337ebec2cea024
sha512 2deb7801b48884ce2cab9e8b15cce529b8fee834ddf55a77df82a18ce538cce18b5e5ab6ed8447610559b39761af8f2bd381f2a6cc2e8a4db8c879d1a12cb19a
ripemd-160 1eecc0fcfea3e88f8294c26913a0c52ede4f2c07

21491933 as geometric shapes

Circle

Radius = n
Diameter 42983866
Circumference 135037797.64849
Area 1.4511116497644E+15

Sphere

Radius = n
Volume 4.1582925803009E+22
Surface area 5.8044465990577E+15
Circumference 135037797.64849

Square

Length = n
Perimeter 85967732
Area 461903184076489
Diagonal 30394183.130214

Cube

Length = n
Surface area 2771419104458934
Volume 9.9271922846586E+21
Space diagonal 37225119.908866

Equilateral Triangle

Length = n
Perimeter 64475799
Area 2.0000994574958E+14
Altitude 18612559.954433

Triangular Pyramid

Length = n
Surface area 2.0000994574958E+14
Volume 1.1699308304375E+21
Height 10131394.376738