21453072 (number)

21453072 is an even 8-digits composite number following 21453071 and preceding 21453073. In scientific notation, it is written as 2.1453072 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 40 positive divisors. There are 7082496 positive integers (up to 21453072) that are relatively prime to 21453072.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-three thousand seventy-two

Notation

Scientific notation 2.1453072 × 10^7
Engineering notation 2.1453072 × 10^6

Prime Factorization of 21453072

Prime Factorization 2 × 2 × 2 × 2 × 3 × 107 × 4177

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2681634
Product of the distinct prime numbers

The prime factorization of 21453072 is 2 × 2 × 2 × 2 × 3 × 107 × 4177. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21453072)

Multiplication

n×y
n×2 42906144
n×3 64359216
n×4 85812288
n×5 107265360

Division

n÷y
n÷2 10726536
n÷3 7151024
n÷3 5363268
n÷5 4290614.4

Exponentiation

ny
n2 460234298237184
n3 9.8734395369518E+21
n4 2.1181560927387E+29
n5 4.5440955164763E+36

Nth Root

y√n
2√n 4631.7461070313
3√n 277.86243042471
4√n 68.056932835908
5√n 29.261588462636

Divisors of 21453072

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21453071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21453072 can be divided by 40 positive divisors. The sum of these divisors (counting 21453072) is 1, the average is 0.025.

Base conversion 21453072

Base System Value
2 Binary 1010001110101100100010000
3 Ternary 1111100221002020
4 Quaternary 1101311210100
5 Quinary 20442444242
6 Senary 2043451440
8 Octal 121654420
10 Decimal 21453072
12 Duodecimal 7226b80
16 Hexadecimal 1475910
20 Vigesimal 6e1cdc
36 Base36 crtao

Cryptographic Hash Functions

md5 8fa929c7b2392f1622bcf9d7b08bfe01
sha1 f329ce1d0bdc895aca0c693ea37a70c262f2f940
sha256 56024dbed383907ee0e107e714f1c87bd22cfd784c3b727893317abfe1b934b2
sha512 9b79adef58082684c0777b7fc0caeaac1f604f9b6528639e84fb6382285074e88c4560b9f0363cd9d2eb04c7187f7a95c232f3b3b0bb73a3dbb321cfab42a7e7
ripemd-160 78e124f39aef4ddac2e59c706b0a2bdc32f3fdb3

21453072 as geometric shapes

Circle

Radius = n
Diameter 42906144
Circumference 134793626.78427
Area 1.445868690272E+15

Sphere

Radius = n
Volume 4.1357766819934E+22
Surface area 5.783474761088E+15
Circumference 134793626.78427

Square

Length = n
Perimeter 85812288
Area 460234298237184
Diagonal 30339225.376967

Cube

Length = n
Surface area 2761405789423104
Volume 9.8734395369518E+21
Space diagonal 37157810.682433

Equilateral Triangle

Length = n
Perimeter 64359216
Area 1.9928729698315E+14
Altitude 18578905.341217

Triangular Pyramid

Length = n
Surface area 1.9928729698315E+14
Volume 1.163596008369E+21
Height 10113075.125656