21748894 (number)

21748894 is an even 8-digits composite number following 21748893 and preceding 21748895. In scientific notation, it is written as 2.1748894 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 10874446 positive integers (up to 21748894) that are relatively prime to 21748894.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred forty-eight thousand eight hundred ninety-four

Notation

Scientific notation 2.1748894 × 10^7
Engineering notation 2.1748894 × 10^6

Prime Factorization of 21748894

Prime Factorization 2 × 10874447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21748894
Product of the distinct prime numbers

The prime factorization of 21748894 is 2 × 10874447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21748894)

Multiplication

n×y
n×2 43497788
n×3 65246682
n×4 86995576
n×5 108744470

Division

n÷y
n÷2 10874447
n÷3 7249631.3333333
n÷3 5437223.5
n÷5 4349778.8

Exponentiation

ny
n2 473014390223236
n3 1.028753983344E+22
n4 2.2374261335826E+29
n5 4.8661543812118E+36

Nth Root

y√n
2√n 4663.5709493906
3√n 279.13377705152
4√n 68.290343017081
5√n 29.341846131214

Divisors of 21748894

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 -21748893
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 21748894 can be divided by 4 positive divisors. The sum of these divisors (counting 21748894) is 1, the average is 0.25.

Base conversion 21748894

Base System Value
2 Binary 1010010111101110010011110
3 Ternary 1111220221212121
4 Quaternary 1102331302132
5 Quinary 21031431034
6 Senary 2054053154
8 Octal 122756236
10 Decimal 21748894
12 Duodecimal 734a1ba
16 Hexadecimal 14bdc9e
20 Vigesimal 6fic4e
36 Base36 cy5jy

Cryptographic Hash Functions

md5 cf56b322afe875a5576dc7399ab4a40f
sha1 97f2ad69654c9bc1d20692b76f5351bf2a313513
sha256 8a0e7e1ecb56dfff60db7407a5e5187f5ac5bf01d11bc5cd3db08d766813ae0b
sha512 6a843988ca6f9445d98e006c7902acdbe5fe42f23eeaac2101b1da3b8d92038264cee56b99585e748b4ab2c59d04361ae1767d4c6bae77bd223064bda9381d8c
ripemd-160 fe47eb85854e52e38c17a7aae907beaf9029c72b

21748894 as geometric shapes

Circle

Radius = n
Diameter 43497788
Circumference 136652331.22821
Area 1.4860185333676E+15

Sphere

Radius = n
Volume 4.3092346085662E+22
Surface area 5.9440741334703E+15
Circumference 136652331.22821

Square

Length = n
Perimeter 86995576
Area 473014390223236
Diagonal 30757580.861415

Cube

Length = n
Surface area 2838086341339416
Volume 1.028753983344E+22
Space diagonal 37670189.41643

Equilateral Triangle

Length = n
Perimeter 65246682
Area 2.0482123914446E+14
Altitude 18835094.708215

Triangular Pyramid

Length = n
Surface area 2.0482123914446E+14
Volume 1.2123981963253E+21
Height 10252526.953805