21491852 (number)

21491852 is an even 8-digits composite number following 21491851 and preceding 21491853. In scientific notation, it is written as 2.1491852 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 10745924 positive integers (up to 21491852) that are relatively prime to 21491852.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand eight hundred fifty-two

Notation

Scientific notation 2.1491852 × 10^7
Engineering notation 2.1491852 × 10^6

Prime Factorization of 21491852

Prime Factorization 2 × 2 × 5372963

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10745926
Product of the distinct prime numbers

The prime factorization of 21491852 is 2 × 2 × 5372963. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491852)

Multiplication

n×y
n×2 42983704
n×3 64475556
n×4 85967408
n×5 107459260

Division

n÷y
n÷2 10745926
n÷3 7163950.6666667
n÷3 5372963
n÷5 4298370.4

Exponentiation

ny
n2 461899702389904
n3 9.9270800426079E+21
n4 2.1335133506788E+29
n5 4.5853153172813E+36

Nth Root

y√n
2√n 4635.9305430517
3√n 278.02975717904
4√n 68.087668068834
5√n 29.272159860328

Divisors of 21491852

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491851
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491852 can be divided by 6 positive divisors. The sum of these divisors (counting 21491852) is 1, the average is 0.16666666666667.

Base conversion 21491852

Base System Value
2 Binary 1010001111111000010001100
3 Ternary 1111102220021112
4 Quaternary 1101333002030
5 Quinary 21000214402
6 Senary 2044351152
8 Octal 121770214
10 Decimal 21491852
12 Duodecimal 72454b8
16 Hexadecimal 147f08c
20 Vigesimal 6e69cc
36 Base36 csn7w

Cryptographic Hash Functions

md5 2039b6e1d690aced8152452073b8103d
sha1 cf0ddd20afd4904cfc180cfb22798002560b68fd
sha256 6e6ab6b491902af80a40f9da7128482fb1ca548ff56e5c5d92784fe38969e9b5
sha512 c886925b5479ec5cb12639627b0b76f079dead128ca93feaf1501b7a770b3f69949e1a95abad413f6a2a2c68d609fb7ed8d0caa94edd097d1fa2bdd14e5fd359
ripemd-160 f564c58e47f5c85c894cf128a06ef93738c483f3

21491852 as geometric shapes

Circle

Radius = n
Diameter 42983704
Circumference 135037288.71048
Area 1.4511007117234E+15

Sphere

Radius = n
Volume 4.1582455644606E+22
Surface area 5.8044028468937E+15
Circumference 135037288.71048

Square

Length = n
Perimeter 85967408
Area 461899702389904
Diagonal 30394068.578915

Cube

Length = n
Surface area 2771398214339424
Volume 9.9270800426079E+21
Space diagonal 37224979.612751

Equilateral Triangle

Length = n
Perimeter 64475556
Area 2.0000843813506E+14
Altitude 18612489.806375

Triangular Pyramid

Length = n
Surface area 2.0000843813506E+14
Volume 1.1699176025849E+21
Height 10131356.192972