21498813 (number)

21498813 is an odd 8-digits composite number following 21498812 and preceding 21498814. In scientific notation, it is written as 2.1498813 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 11404800 positive integers (up to 21498813) that are relatively prime to 21498813.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-eight thousand eight hundred thirteen

Notation

Scientific notation 2.1498813 × 10^7
Engineering notation 2.1498813 × 10^6

Prime Factorization of 21498813

Prime Factorization 23 × 9 × 7 × 37 × 401

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21498813
Product of the distinct prime numbers

The prime factorization of 21498813 is 23 × 9 × 7 × 37 × 401. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21498813)

Multiplication

n×y
n×2 42997626
n×3 64496439
n×4 85995252
n×5 107494065

Division

n÷y
n÷2 10749406.5
n÷3 7166271
n÷3 5374703.25
n÷5 4299762.6

Exponentiation

ny
n2 462198960408969
n3 9.9367290186268E+21
n4 2.1362787900313E+29
n5 4.592745822275E+36

Nth Root

y√n
2√n 4636.6812484793
3√n 278.05977097572
4√n 68.093180631245
5√n 29.274055807788

Divisors of 21498813

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21498812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21498813 can be divided by 32 positive divisors. The sum of these divisors (counting 21498813) is 1, the average is 0.03125.

Base conversion 21498813

Base System Value
2 Binary 1010010000000101110111101
3 Ternary 1111110020211100
4 Quaternary 1102000232331
5 Quinary 21000430223
6 Senary 2044443313
8 Octal 122005675
10 Decimal 21498813
12 Duodecimal 7249539
16 Hexadecimal 1480bbd
20 Vigesimal 6e770d
36 Base36 cssl9

Cryptographic Hash Functions

md5 3d6b48cd150e3e4fd2f07bc1e09b032e
sha1 a8fc639a653eb02cc2e1c2aafec07462269e181d
sha256 706aa29b9141b36e3fd98b04eb5678c70c4a77777d56fdef9bd24013a1921bbd
sha512 8bb8a1a3d1204f755e23582085d709e5792590755ccc71d00f4ec36dd68e2a28b8cfface75e6a2390f607d2c7943b80ffe83ad4956b1f100525ce020308b17c8
ripemd-160 8cda61143c9e61726abd3e81621e761fbfbacfbb

21498813 as geometric shapes

Circle

Radius = n
Diameter 42997626
Circumference 135081025.9634
Area 1.4520408585177E+15

Sphere

Radius = n
Volume 4.1622873180841E+22
Surface area 5.8081634340706E+15
Circumference 135081025.9634

Square

Length = n
Perimeter 85995252
Area 462198960408969
Diagonal 30403912.919523

Cube

Length = n
Surface area 2773193762453814
Volume 9.9367290186268E+21
Space diagonal 37237036.418422

Equilateral Triangle

Length = n
Perimeter 64496439
Area 2.0013802065846E+14
Altitude 18618518.209211

Triangular Pyramid

Length = n
Surface area 2.0013802065846E+14
Volume 1.171054745314E+21
Height 10134637.639841