21359945 (number)

21359945 is an odd 8-digits composite number following 21359944 and preceding 21359946. In scientific notation, it is written as 2.1359945 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 17023360 positive integers (up to 21359945) that are relatively prime to 21359945.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-nine thousand nine hundred forty-five

Notation

Scientific notation 2.1359945 × 10^7
Engineering notation 2.1359945 × 10^6

Prime Factorization of 21359945

Prime Factorization 5 × 269 × 15881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21359945
Product of the distinct prime numbers

The prime factorization of 21359945 is 5 × 269 × 15881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21359945)

Multiplication

n×y
n×2 42719890
n×3 64079835
n×4 85439780
n×5 106799725

Division

n÷y
n÷2 10679972.5
n÷3 7119981.6666667
n÷3 5339986.25
n÷5 4271989

Exponentiation

ny
n2 456247250403025
n3 9.7454161750098E+21
n4 2.0816155350032E+29
n5 4.4463193338814E+36

Nth Root

y√n
2√n 4621.6820531058
3√n 277.45978369124
4√n 67.982954136355
5√n 29.23613953824

Divisors of 21359945

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 -21359944
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 21359945 can be divided by 8 positive divisors. The sum of these divisors (counting 21359945) is 1, the average is 0.125.

Base conversion 21359945

Base System Value
2 Binary 1010001011110110101001001
3 Ternary 1111012012100002
4 Quaternary 1101132311021
5 Quinary 20432004240
6 Senary 2041452345
8 Octal 121366511
10 Decimal 21359945
12 Duodecimal 71a10b5
16 Hexadecimal 145ed49
20 Vigesimal 6d9jh5
36 Base36 cptft

Cryptographic Hash Functions

md5 343472ca50f88acc7c29d5ee649d2e84
sha1 424530a38bfd804b06c7ba3380308209cb6abcb3
sha256 ef2cab1f1ee7a13b879f644994eaac9b440a654b36b5c39af191e03461b91580
sha512 efd5d20d525c7bd5af440810ea3d31b83fe2d56341bf01e3870f8b4d3b00d39d510af9bff04999ce1514fd3b9b066566a5f554b17d98e1d90d85b2ef553f20e6
ripemd-160 04c52884ecd9cf9949639a808152ff3dcd708973

21359945 as geometric shapes

Circle

Radius = n
Diameter 42719890
Circumference 134208492.58616
Area 1.4333430100867E+15

Sphere

Radius = n
Volume 4.0821503815448E+22
Surface area 5.7333720403467E+15
Circumference 134208492.58616

Square

Length = n
Perimeter 85439780
Area 456247250403025
Diagonal 30207523.910543

Cube

Length = n
Surface area 2737483502418150
Volume 9.7454161750098E+21
Space diagonal 36996509.986877

Equilateral Triangle

Length = n
Perimeter 64079835
Area 1.9756085462791E+14
Altitude 18498254.993438

Triangular Pyramid

Length = n
Surface area 1.9756085462791E+14
Volume 1.1485083104724E+21
Height 10069174.636848