21491607 (number)

21491607 is an odd 8-digits composite number following 21491606 and preceding 21491608. In scientific notation, it is written as 2.1491607 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14327736 positive integers (up to 21491607) that are relatively prime to 21491607.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred seven

Notation

Scientific notation 2.1491607 × 10^7
Engineering notation 2.1491607 × 10^6

Prime Factorization of 21491607

Prime Factorization 3 × 7163869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491607
Product of the distinct prime numbers

The prime factorization of 21491607 is 3 × 7163869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491607)

Multiplication

n×y
n×2 42983214
n×3 64474821
n×4 85966428
n×5 107458035

Division

n÷y
n÷2 10745803.5
n÷3 7163869
n÷3 5372901.75
n÷5 4298321.4

Exponentiation

ny
n2 461889171442449
n3 9.9267405501967E+21
n4 2.1334160669579E+29
n5 4.5850539678545E+36

Nth Root

y√n
2√n 4635.9041189395
3√n 278.02870069262
4√n 68.087474023784
5√n 29.272093121437

Divisors of 21491607

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 -21491606
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 21491607 can be divided by 4 positive divisors. The sum of these divisors (counting 21491607) is 1, the average is 0.25.

Base conversion 21491607

Base System Value
2 Binary 1010001111110111110010111
3 Ternary 1111102212221110
4 Quaternary 1101332332113
5 Quinary 21000212412
6 Senary 2044350103
8 Octal 121767627
10 Decimal 21491607
12 Duodecimal 7245333
16 Hexadecimal 147ef97
20 Vigesimal 6e6907
36 Base36 csn13

Cryptographic Hash Functions

md5 45ed2a684e5830e5fbd489aa9289814e
sha1 4eb8aab27d3e7dacba3707c45d6e3f27948295b8
sha256 39253882a8637fb419cbfea9bdd4ceaeb86492b2daf28a90a41a04f2fc325db8
sha512 af3de71f1a80fb427c9c26711c65351e393ad72069019e0f7bebbb492edf32c1247fd3c8dad7d4d19f803579713f2602e8a2198eb9a29d88fcc0175f16adfdbc
ripemd-160 46dcdfc85c0f24a879793793188d6fca1d77a7f0

21491607 as geometric shapes

Circle

Radius = n
Diameter 42983214
Circumference 135035749.33008
Area 1.4510676277763E+15

Sphere

Radius = n
Volume 4.158103358212E+22
Surface area 5.8042705111051E+15
Circumference 135035749.33008

Square

Length = n
Perimeter 85966428
Area 461889171442449
Diagonal 30393722.096593

Cube

Length = n
Surface area 2771335028654694
Volume 9.9267405501967E+21
Space diagonal 37224555.260303

Equilateral Triangle

Length = n
Perimeter 64474821
Area 2.0000387810105E+14
Altitude 18612277.630151

Triangular Pyramid

Length = n
Surface area 2.0000387810105E+14
Volume 1.1698775930206E+21
Height 10131240.698864