21497430 (number)

21497430 is an even 8-digits composite number following 21497429 and preceding 21497431. In scientific notation, it is written as 2.1497430 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5732640 positive integers (up to 21497430) that are relatively prime to 21497430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497430 × 10^7
Engineering notation 2.1497430 × 10^6

Prime Factorization of 21497430

Prime Factorization 2 × 3 × 5 × 716581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497430
Product of the distinct prime numbers

The prime factorization of 21497430 is 2 × 3 × 5 × 716581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497430)

Multiplication

n×y
n×2 42994860
n×3 64492290
n×4 85989720
n×5 107487150

Division

n÷y
n÷2 10748715
n÷3 7165810
n÷3 5374357.5
n÷5 4299486

Exponentiation

ny
n2 462139496604900
n3 9.9348114784991E+21
n4 2.1357291432223E+29
n5 4.5912687755381E+36

Nth Root

y√n
2√n 4636.5321092385
3√n 278.05380839987
4√n 68.092085511009
5√n 29.273679163171

Divisors of 21497430

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497429
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497430 can be divided by 16 positive divisors. The sum of these divisors (counting 21497430) is 1, the average is 0.0625.

Base conversion 21497430

Base System Value
2 Binary 1010010000000011001010110
3 Ternary 1111110011221010
4 Quaternary 1102000121112
5 Quinary 21000404210
6 Senary 2044433050
8 Octal 122003126
10 Decimal 21497430
12 Duodecimal 7248786
16 Hexadecimal 1480656
20 Vigesimal 6e73ba
36 Base36 csriu

Cryptographic Hash Functions

md5 8a6d51b8e0fc7bb6d50b812dd88221e0
sha1 68220bae43dd043c75a791f1aba91b7e667c4b69
sha256 85ab00c277a9da576c62e838a48b927f916f8cc21613052559a164aa01cf8c57
sha512 39dfec2cb23031b5a9c7106b5679ef4666683ad49ecd73c379425c0b765269e650df76bd4692065ea952868b6bd29577aa19494ca78087d09b5963e9cbfb8578
ripemd-160 12efa27069250ecacaafc3bec7a7a5bcaada1f00

21497430 as geometric shapes

Circle

Radius = n
Diameter 42994860
Circumference 135072336.31812
Area 1.4518540474676E+15

Sphere

Radius = n
Volume 4.1614841007536E+22
Surface area 5.8074161898706E+15
Circumference 135072336.31812

Square

Length = n
Perimeter 85989720
Area 462139496604900
Diagonal 30401957.062166

Cube

Length = n
Surface area 2772836979629400
Volume 9.9348114784991E+21
Space diagonal 37234640.992155

Equilateral Triangle

Length = n
Perimeter 64492290
Area 2.00112272076E+14
Altitude 18617320.496078

Triangular Pyramid

Length = n
Surface area 2.00112272076E+14
Volume 1.1708287610428E+21
Height 10133985.687389