21490144 (number)

21490144 is an even 8-digits composite number following 21490143 and preceding 21490145. In scientific notation, it is written as 2.1490144 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors. There are 9918336 positive integers (up to 21490144) that are relatively prime to 21490144.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490144 × 10^7
Engineering notation 2.1490144 × 10^6

Prime Factorization of 21490144

Prime Factorization 2 × 2 × 2 × 2 × 2 × 13 × 51659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1343134
Product of the distinct prime numbers

The prime factorization of 21490144 is 2 × 2 × 2 × 2 × 2 × 13 × 51659. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490144)

Multiplication

n×y
n×2 42980288
n×3 64470432
n×4 85960576
n×5 107450720

Division

n÷y
n÷2 10745072
n÷3 7163381.3333333
n÷3 5372536
n÷5 4298028.8

Exponentiation

ny
n2 461826289140736
n3 9.9247134566201E+21
n4 2.132835213415E+29
n5 4.583493586456E+36

Nth Root

y√n
2√n 4635.7463261054
3√n 278.0223917923
4√n 68.086315263094
5√n 29.271694582245

Divisors of 21490144

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 -21490143
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 21490144 can be divided by 24 positive divisors. The sum of these divisors (counting 21490144) is 1, the average is 0.041666666666667.

Base conversion 21490144

Base System Value
2 Binary 1010001111110100111100000
3 Ternary 1111102210221021
4 Quaternary 1101332213200
5 Quinary 21000141034
6 Senary 2044335224
8 Octal 121764740
10 Decimal 21490144
12 Duodecimal 7244514
16 Hexadecimal 147e9e0
20 Vigesimal 6e6574
36 Base36 cslwg

Cryptographic Hash Functions

md5 756ed163035ed60614842cf5cdbd5505
sha1 f2142b94065f907c9555da2580ccef4de2f23cd8
sha256 daccc7b87d41564b65d39e6010400f6dada42048b8536d4b55575baad393df42
sha512 8cf596390aabec7848c544017be49c29f521f88fc3e81094e95f73e52b6a257c3dd3c56ec1192f9efa0cf8a7834dc56cfe1d1fa72766b1f85ea71338706eae85
ripemd-160 0709cb28168f23ecdd3e76d6e71fc5ab5bd13761

21490144 as geometric shapes

Circle

Radius = n
Diameter 42980288
Circumference 135026557.02997
Area 1.4508700771992E+15

Sphere

Radius = n
Volume 4.1572542512402E+22
Surface area 5.8034803087967E+15
Circumference 135026557.02997

Square

Length = n
Perimeter 85960576
Area 461826289140736
Diagonal 30391653.102151

Cube

Length = n
Surface area 2770957734844416
Volume 9.9247134566201E+21
Space diagonal 37222021.269971

Equilateral Triangle

Length = n
Perimeter 64470432
Area 1.9997664926569E+14
Altitude 18611010.634986

Triangular Pyramid

Length = n
Surface area 1.9997664926569E+14
Volume 1.1696386977516E+21
Height 10130551.03405