21494530 (number)

21494530 is an even 8-digits composite number following 21494529 and preceding 21494531. In scientific notation, it is written as 2.1494530 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8597808 positive integers (up to 21494530) that are relatively prime to 21494530.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494530 × 10^7
Engineering notation 2.1494530 × 10^6

Prime Factorization of 21494530

Prime Factorization 2 × 5 × 2149453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494530
Product of the distinct prime numbers

The prime factorization of 21494530 is 2 × 5 × 2149453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494530)

Multiplication

n×y
n×2 42989060
n×3 64483590
n×4 85978120
n×5 107472650

Division

n÷y
n÷2 10747265
n÷3 7164843.3333333
n÷3 5373632.5
n÷5 4298906

Exponentiation

ny
n2 462014819920900
n3 9.9307914072344E+21
n4 2.1345769382654E+29
n5 4.5881728036854E+36

Nth Root

y√n
2√n 4636.2193649568
3√n 278.04130469895
4√n 68.089788991865
5√n 29.272889317587

Divisors of 21494530

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 -21494529
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 21494530 can be divided by 8 positive divisors. The sum of these divisors (counting 21494530) is 1, the average is 0.125.

Base conversion 21494530

Base System Value
2 Binary 1010001111111101100000010
3 Ternary 1111110000221201
4 Quaternary 1101333230002
5 Quinary 21000311110
6 Senary 2044411414
8 Octal 121775402
10 Decimal 21494530
12 Duodecimal 7246b6a
16 Hexadecimal 147fb02
20 Vigesimal 6e6g6a
36 Base36 cspaa

Cryptographic Hash Functions

md5 09d142da0f481e00fa7ad6ceb97e66d2
sha1 24fb7d1a22d1abb9282302b646202a81f205fd3c
sha256 f0bfe4053ad693ca91b52786cf18f93954b19c2822222166c75c056d63117f9a
sha512 0c5749614675520220d5a8f47743b73e93c533b6b803e4f9a0079c9dd86db393edf9734f5fe42aaf14d751791c0ea1cdbb3c438d52ba60e70965ccffb5d43951
ripemd-160 0ec785a27b637dfdf563cd795a1aab4a18347fc8

21494530 as geometric shapes

Circle

Radius = n
Diameter 42989060
Circumference 135054115.08073
Area 1.4514623641131E+15

Sphere

Radius = n
Volume 4.15980017724E+22
Surface area 5.8058494564524E+15
Circumference 135054115.08073

Square

Length = n
Perimeter 85978120
Area 462014819920900
Diagonal 30397855.842835

Cube

Length = n
Surface area 2772088919525400
Volume 9.9307914072344E+21
Space diagonal 37229618.044813

Equilateral Triangle

Length = n
Perimeter 64483590
Area 2.000582854882E+14
Altitude 18614809.022407

Triangular Pyramid

Length = n
Surface area 2.000582854882E+14
Volume 1.1703549911008E+21
Height 10132618.614278