21898081 (number)

21898081 is an odd 8-digits composite number following 21898080 and preceding 21898082. In scientific notation, it is written as 2.1898081 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21884692 positive integers (up to 21898081) that are relatively prime to 21898081.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-eight thousand eighty-one

Notation

Scientific notation 2.1898081 × 10^7
Engineering notation 2.1898081 × 10^6

Prime Factorization of 21898081

Prime Factorization 1907 × 11483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21898081
Product of the distinct prime numbers

The prime factorization of 21898081 is 1907 × 11483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21898081)

Multiplication

n×y
n×2 43796162
n×3 65694243
n×4 87592324
n×5 109490405

Division

n÷y
n÷2 10949040.5
n÷3 7299360.3333333
n÷3 5474520.25
n÷5 4379616.2

Exponentiation

ny
n2 479525951482561
n3 1.0500698127167E+22
n4 2.2994513814526E+29
n5 5.035357260661E+36

Nth Root

y√n
2√n 4679.5385456261
3√n 279.77056460022
4√n 68.407152737313
5√n 29.381990337058

Divisors of 21898081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21898080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21898081 can be divided by 4 positive divisors. The sum of these divisors (counting 21898081) is 1, the average is 0.25.

Base conversion 21898081

Base System Value
2 Binary 1010011100010001101100001
3 Ternary 1112012112112001
4 Quaternary 1103202031201
5 Quinary 21101214311
6 Senary 2101204001
8 Octal 123421541
10 Decimal 21898081
12 Duodecimal 7400601
16 Hexadecimal 14e2361
20 Vigesimal 6gh541
36 Base36 d1co1

Cryptographic Hash Functions

md5 60b5c9e4f71d14e4be7411be2e38835e
sha1 8bf5a048aafbc1ef9d2b9c36bcb3d32ac52bd74e
sha256 75fec573268f93bcd5f683a4872bd990cb1cae867e88ec22e71d115bdf6862d2
sha512 9d3e15e552b0f47f5908f21bdfb1c5ea66d921c08e0dc408877080c44cfbf769477457205cbaf7e63e5a4f411a9f30759af6fec63da9eebd695d878ab8f35276
ripemd-160 0fbf40492f0562d69c72f64dbfba7eca6e5f5272

21898081 as geometric shapes

Circle

Radius = n
Diameter 43796162
Circumference 137589700.79463
Area 1.5064752063833E+15

Sphere

Radius = n
Volume 4.3985221458497E+22
Surface area 6.0259008255331E+15
Circumference 137589700.79463

Square

Length = n
Perimeter 87592324
Area 479525951482561
Diagonal 30968563.140145

Cube

Length = n
Surface area 2877155708895366
Volume 1.0500698127167E+22
Space diagonal 37928588.880259

Equilateral Triangle

Length = n
Perimeter 65694243
Area 2.076408278789E+14
Altitude 18964294.440129

Triangular Pyramid

Length = n
Surface area 2.076408278789E+14
Volume 1.2375191421521E+21
Height 10322854.380048