21494900 (number)

21494900 is an even 8-digits composite number following 21494899 and preceding 21494901. In scientific notation, it is written as 2.1494900 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 7369440 positive integers (up to 21494900) that are relatively prime to 21494900.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred

Notation

Scientific notation 2.1494900 × 10^7
Engineering notation 2.1494900 × 10^6

Prime Factorization of 21494900

Prime Factorization 2 × 2 × 35 × 5 × 30707

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10747450
Product of the distinct prime numbers

The prime factorization of 21494900 is 2 × 2 × 35 × 5 × 30707. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494900)

Multiplication

n×y
n×2 42989800
n×3 64484700
n×4 85979600
n×5 107474500

Division

n÷y
n÷2 10747450
n÷3 7164966.6666667
n÷3 5373725
n÷5 4298980

Exponentiation

ny
n2 462030726010000
n3 9.9313042525123E+21
n4 2.1347239177733E+29
n5 4.5885677140145E+36

Nth Root

y√n
2√n 4636.2592679875
3√n 278.04290006131
4√n 68.090082008964
5√n 29.272990095733

Divisors of 21494900

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494900 can be divided by 24 positive divisors. The sum of these divisors (counting 21494900) is 1, the average is 0.041666666666667.

Base conversion 21494900

Base System Value
2 Binary 1010001111111110001110100
3 Ternary 1111110001110102
4 Quaternary 1101333301310
5 Quinary 21000314100
6 Senary 2044413232
8 Octal 121776164
10 Decimal 21494900
12 Duodecimal 7247218
16 Hexadecimal 147fc74
20 Vigesimal 6e6h50
36 Base36 cspkk

Cryptographic Hash Functions

md5 19cc0b54cce1ff7d56b45f118f52df3e
sha1 bba8661229d6563020f394c930e98198484df3fe
sha256 8a343080ab3b557d36e146525ceb884b4d8a9332e3a5f7a7f4df0a539984efa7
sha512 f7793aa58c618b2f8032889c500b3d9c868fadf90503fbdeb5c92384520fb5ffbcfbc34850d162ae974e57d923612e6037dcdfad84cc34f3ad9bd08f6d62d87c
ripemd-160 9ccb2f8355ef5ccf5109b9ef703cb4f4361fcbc8

21494900 as geometric shapes

Circle

Radius = n
Diameter 42989800
Circumference 135056439.85929
Area 1.4515123345658E+15

Sphere

Radius = n
Volume 4.1600149973677E+22
Surface area 5.8060493382631E+15
Circumference 135056439.85929

Square

Length = n
Perimeter 85979600
Area 462030726010000
Diagonal 30398379.101853

Cube

Length = n
Surface area 2772184356060000
Volume 9.9313042525123E+21
Space diagonal 37230258.903612

Equilateral Triangle

Length = n
Perimeter 64484700
Area 2.0006517302681E+14
Altitude 18615129.451806

Triangular Pyramid

Length = n
Surface area 2.0006517302681E+14
Volume 1.1704154304964E+21
Height 10132793.033951