21490930 (number)

21490930 is an even 8-digits composite number following 21490929 and preceding 21490931. In scientific notation, it is written as 2.1490930 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8596368 positive integers (up to 21490930) that are relatively prime to 21490930.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490930 × 10^7
Engineering notation 2.1490930 × 10^6

Prime Factorization of 21490930

Prime Factorization 2 × 5 × 2149093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490930
Product of the distinct prime numbers

The prime factorization of 21490930 is 2 × 5 × 2149093. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490930)

Multiplication

n×y
n×2 42981860
n×3 64472790
n×4 85963720
n×5 107454650

Division

n÷y
n÷2 10745465
n÷3 7163643.3333333
n÷3 5372732.5
n÷5 4298186

Exponentiation

ny
n2 461860072264900
n3 9.9258024828399E+21
n4 2.1331472635254E+29
n5 4.5843318520116E+36

Nth Root

y√n
2√n 4635.8311013237
3√n 278.0257812986
4√n 68.086937817203
5√n 29.271908701009

Divisors of 21490930

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 -21490929
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 21490930 can be divided by 8 positive divisors. The sum of these divisors (counting 21490930) is 1, the average is 0.125.

Base conversion 21490930

Base System Value
2 Binary 1010001111110110011110010
3 Ternary 1111102212000101
4 Quaternary 1101332303302
5 Quinary 21000202210
6 Senary 2044343014
8 Octal 121766362
10 Decimal 21490930
12 Duodecimal 7244a6a
16 Hexadecimal 147ecf2
20 Vigesimal 6e676a
36 Base36 csmia

Cryptographic Hash Functions

md5 4c1e1508d73f8d3101c472481a988274
sha1 c3acf2a8b63f52a711bd7fcd431148c495977e23
sha256 b5805f50a3fe883e7e5488adaca2928ea814e24f7765da6949098ddd617ad809
sha512 5b12bc7ea70559d816365a1345b0d63cc56e89b32efce026a854dd844b4cd7f2c48c47864e2e87d57e0728c00beab70dd9bb5ec0ec09363f1d3b439354e47c59
ripemd-160 58b87cbdb101fb7c98eb350a531918f85221e2fe

21490930 as geometric shapes

Circle

Radius = n
Diameter 42981860
Circumference 135031495.61362
Area 1.4509762100139E+15

Sphere

Radius = n
Volume 4.1577104214764E+22
Surface area 5.8039048400554E+15
Circumference 135031495.61362

Square

Length = n
Perimeter 85963720
Area 461860072264900
Diagonal 30392764.674011

Cube

Length = n
Surface area 2771160433589400
Volume 9.9258024828399E+21
Space diagonal 37223382.661906

Equilateral Triangle

Length = n
Perimeter 64472790
Area 1.9999127778756E+14
Altitude 18611691.330953

Triangular Pyramid

Length = n
Surface area 1.9999127778756E+14
Volume 1.1697670407224E+21
Height 10130921.558004