21152920 (number)

21152920 is an even 8-digits composite number following 21152919 and preceding 21152921. In scientific notation, it is written as 2.1152920 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors. There are 8461152 positive integers (up to 21152920) that are relatively prime to 21152920.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-two thousand nine hundred twenty

Notation

Scientific notation 2.1152920 × 10^7
Engineering notation 2.1152920 × 10^6

Prime Factorization of 21152920

Prime Factorization 2 × 2 × 2 × 5 × 528823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5288230
Product of the distinct prime numbers

The prime factorization of 21152920 is 2 × 2 × 2 × 5 × 528823. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 89, 76, 895, 722, 9670, 9152, 428, 98530, 525053, 435291, 4263961, 900415, 33568352, 65629736, 186236629, 585297809, 9691123084, 8163693905

Basic calculations (n = 21152920)

Multiplication

n×y
n×2 42305840
n×3 63458760
n×4 84611680
n×5 105764600

Division

n÷y
n÷2 10576460
n÷3 7050973.3333333
n÷3 5288230
n÷5 4230584

Exponentiation

ny
n2 447446024526400
n3 9.464789961125E+21
n4 2.0020794486448E+29
n5 4.2349826410828E+36

Nth Root

y√n
2√n 4599.2303703989
3√n 276.56047278457
4√n 67.817625809217
5√n 29.179245998072

Divisors of 21152920

1, 2, 4, 5, 8, 10, 20, 40, 528823, 1057646, 2115292, 2644115, 4230584, 5288230, 10576460, 21152920

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21152919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21152920 can be divided by 16 positive divisors. The sum of these divisors (counting 21152920) is 1, the average is 0.0625.

Base conversion 21152920

Base System Value
2 Binary 1010000101100010010011000
3 Ternary 1110210200100111
4 Quaternary 1100230102120
5 Quinary 20403343140
6 Senary 2033214104
8 Octal 120542230
10 Decimal 21152920
12 Duodecimal 7101334
16 Hexadecimal 142c498
20 Vigesimal 6c4260
36 Base36 cldp4

Cryptographic Hash Functions

md5 7acd3b149f43e8640806108232ab34c5
sha1 091571982d16fd8e7f59866f493e32b565ab0d5e
sha256 9686910070a0eedaba2a81f054daefb8df9ded360eb51bf1381e00a340da6104
sha512 de5abc2f71af9436f7417756a0abfab83479b2b3d494ebb739e7b5ccc2a5397af361a96e12c44430105900b9a72eeaeb420e2ef0574e702a7486ba91ac0c5200
ripemd-160 01734ea886abd455e86d057464cd228ea12dcc67

21152920 as geometric shapes

Circle

Radius = n
Diameter 42305840
Circumference 132907716.14795
Area 1.4056931435301E+15

Sphere

Radius = n
Volume 3.9646019479521E+22
Surface area 5.6227725741204E+15
Circumference 132907716.14795

Square

Length = n
Perimeter 84611680
Area 447446024526400
Diagonal 29914746.347793

Cube

Length = n
Surface area 2684676147158400
Volume 9.464789961125E+21
Space diagonal 36637932.16844

Equilateral Triangle

Length = n
Perimeter 63458760
Area 1.9374981203111E+14
Altitude 18318966.08422

Triangular Pyramid

Length = n
Surface area 1.9374981203111E+14
Volume 1.115436194003E+21
Height 9971582.115931