21372720 (number)

21372720 is an even 8-digits composite number following 21372719 and preceding 21372721. In scientific notation, it is written as 2.1372720 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 80 positive divisors. There are 5225472 positive integers (up to 21372720) that are relatively prime to 21372720.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-two thousand seven hundred twenty

Notation

Scientific notation 2.1372720 × 10^7
Engineering notation 2.1372720 × 10^6

Prime Factorization of 21372720

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 817 × 109

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2671590
Product of the distinct prime numbers

The prime factorization of 21372720 is 2 × 2 × 2 × 2 × 3 × 5 × 817 × 109. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21372720)

Multiplication

n×y
n×2 42745440
n×3 64118160
n×4 85490880
n×5 106863600

Division

n÷y
n÷2 10686360
n÷3 7124240
n÷3 5343180
n÷5 4274544

Exponentiation

ny
n2 456793160198400
n3 9.7629123108355E+21
n4 2.0865999120404E+29
n5 4.4596315672064E+36

Nth Root

y√n
2√n 4623.0639190909
3√n 277.51508724075
4√n 67.993116703758
5√n 29.239635824052

Divisors of 21372720

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21372719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21372720 can be divided by 80 positive divisors. The sum of these divisors (counting 21372720) is 1, the average is 0.0125.

Base conversion 21372720

Base System Value
2 Binary 1010001100001111100110000
3 Ternary 1111012211212020
4 Quaternary 1101201330300
5 Quinary 20432411340
6 Senary 2042031440
8 Octal 121417460
10 Decimal 21372720
12 Duodecimal 71a8580
16 Hexadecimal 1461f30
20 Vigesimal 6dbbg0
36 Base36 cq3ao

Cryptographic Hash Functions

md5 2a497a7d2abedc2c1f455066c1fdf67b
sha1 04a257027f2f74f4ef6b027afc19d563b25952bc
sha256 7920b5353dad66d6e58b1672e88b80f48bba173add11b6eb8b1a868b7ef0cbe6
sha512 7bcb67e8a36178fdf77d45565f9e3ac8077d65bcb721a92b8d37f19e6282fa0d36e22cd07e58073f7863571e66835cfdc77771132ea5bf1155b2b048129636b6
ripemd-160 34dffa7dc8ef8d2580729f3521d536f34decb89e

21372720 as geometric shapes

Circle

Radius = n
Diameter 42745440
Circumference 134288760.27846
Area 1.4350580362894E+15

Sphere

Radius = n
Volume 4.0894791457816E+22
Surface area 5.7402321451574E+15
Circumference 134288760.27846

Square

Length = n
Perimeter 85490880
Area 456793160198400
Diagonal 30225590.488803

Cube

Length = n
Surface area 2740758961190400
Volume 9.7629123108355E+21
Space diagonal 37018636.935943

Equilateral Triangle

Length = n
Perimeter 64118160
Area 1.9779724050339E+14
Altitude 18509318.467972

Triangular Pyramid

Length = n
Surface area 1.9779724050339E+14
Volume 1.1505702498536E+21
Height 10075196.829601