21297072 (number)

21297072 is an even 8-digits composite number following 21297071 and preceding 21297073. In scientific notation, it is written as 2.1297072 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 7099008 positive integers (up to 21297072) that are relatively prime to 21297072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1297072 × 10^7
Engineering notation 2.1297072 × 10^6

Prime Factorization of 21297072

Prime Factorization 2 × 2 × 2 × 2 × 3 × 443689

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2662134
Product of the distinct prime numbers

The prime factorization of 21297072 is 2 × 2 × 2 × 2 × 3 × 443689. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21297072)

Multiplication

n×y
n×2 42594144
n×3 63891216
n×4 85188288
n×5 106485360

Division

n÷y
n÷2 10648536
n÷3 7099024
n÷3 5324268
n÷5 4259414.4

Exponentiation

ny
n2 453565275773184
n3 9.6596123348414E+21
n4 2.057214593872E+29
n5 4.3812647325144E+36

Nth Root

y√n
2√n 4614.8750795661
3√n 277.18728184706
4√n 67.932871863083
5√n 29.218907921909

Divisors of 21297072

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21297071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21297072 can be divided by 20 positive divisors. The sum of these divisors (counting 21297072) is 1, the average is 0.05.

Base conversion 21297072

Base System Value
2 Binary 1010001001111011110110000
3 Ternary 1111002000002110
4 Quaternary 1101033132300
5 Quinary 20423001242
6 Senary 2040245320
8 Octal 121173660
10 Decimal 21297072
12 Duodecimal 7170840
16 Hexadecimal 144f7b0
20 Vigesimal 6d22dc
36 Base36 cogxc

Cryptographic Hash Functions

md5 1cbe269b85f9a48fd0d1b3e62194033c
sha1 9c145aab29a29ac0de21d0c427f0de2e3b66bb1b
sha256 02bc0d81e139ee29ad3381a98cf502df968a734493d3012a14ee7bb68125b63e
sha512 14de4d359fb64c63fabec2d32f039c477729fb7ddfe11d400460c8f8e96a2d76b79688111705e57e1e3367b1cc52d2a9d43b6c93a6d46291262621442b8cc744
ripemd-160 bfc895490fe73d62c6846738f6e40128b3b44af0

21297072 as geometric shapes

Circle

Radius = n
Diameter 42594144
Circumference 133813449.87635
Area 1.4249173382925E+15

Sphere

Radius = n
Volume 4.0462089530217E+22
Surface area 5.6996693531699E+15
Circumference 133813449.87635

Square

Length = n
Perimeter 85188288
Area 453565275773184
Diagonal 30118608.061236

Cube

Length = n
Surface area 2721391654639104
Volume 9.6596123348414E+21
Space diagonal 36887610.756453

Equilateral Triangle

Length = n
Perimeter 63891216
Area 1.9639952554704E+14
Altitude 18443805.378226

Triangular Pyramid

Length = n
Surface area 1.9639952554704E+14
Volume 1.1383962309333E+21
Height 10039536.020412