21388350 (number)

21388350 is an even 8-digits composite number following 21388349 and preceding 21388351. In scientific notation, it is written as 2.1388350 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 5703520 positive integers (up to 21388350) that are relatively prime to 21388350.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand three hundred fifty

Notation

Scientific notation 2.1388350 × 10^7
Engineering notation 2.1388350 × 10^6

Prime Factorization of 21388350

Prime Factorization 2 × 75 × 142589

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21388350
Product of the distinct prime numbers

The prime factorization of 21388350 is 2 × 75 × 142589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21388350)

Multiplication

n×y
n×2 42776700
n×3 64165050
n×4 85553400
n×5 106941750

Division

n÷y
n÷2 10694175
n÷3 7129450
n÷3 5347087.5
n÷5 4277670

Exponentiation

ny
n2 457461515722500
n3 9.7843470098033E+21
n4 2.0927103836713E+29
n5 4.4759622134595E+36

Nth Root

y√n
2√n 4624.7540475143
3√n 277.58272024646
4√n 68.005544240998
5√n 29.24391119826

Divisors of 21388350

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21388349
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21388350 can be divided by 8 positive divisors. The sum of these divisors (counting 21388350) is 1, the average is 0.125.

Base conversion 21388350

Base System Value
2 Binary 1010001100101110000111110
3 Ternary 1111020122022010
4 Quaternary 1101211300332
5 Quinary 20433411400
6 Senary 2042232050
8 Octal 121456076
10 Decimal 21388350
12 Duodecimal 71b5626
16 Hexadecimal 1465c3e
20 Vigesimal 6ddaha
36 Base36 cqfcu

Cryptographic Hash Functions

md5 743dd10557f64d2b2c13d65f28202017
sha1 4f9c153d9d36914e93faa3d4478ec4a0e606555a
sha256 ff650452dcee14fa9f7a98b25d836889555162dec2fc38454c1eeec32de05605
sha512 50b8af8119b5f868dd5e0dcb6d7e55bf22432de51db2f7468843ca2669726380a5e7d07bedc11131da600769c81b86562f8622e50741ce020021a14a4885c860
ripemd-160 cda6d43c1c82d21c51dbbf4bec2b00e6deb95669

21388350 as geometric shapes

Circle

Radius = n
Diameter 42776700
Circumference 134386966.46481
Area 1.4371577370939E+15

Sphere

Radius = n
Volume 4.0984576914895E+22
Surface area 5.7486309483754E+15
Circumference 134386966.46481

Square

Length = n
Perimeter 85553400
Area 457461515722500
Diagonal 30247694.646783

Cube

Length = n
Surface area 2744769094335000
Volume 9.7843470098033E+21
Space diagonal 37045708.890066

Equilateral Triangle

Length = n
Perimeter 64165050
Area 1.9808664693471E+14
Altitude 18522854.445033

Triangular Pyramid

Length = n
Surface area 1.9808664693471E+14
Volume 1.1530963533524E+21
Height 10082564.882261