21293821 (number)

21293821 is an odd 8-digits composite number following 21293820 and preceding 21293822. In scientific notation, it is written as 2.1293821 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21216672 positive integers (up to 21293821) that are relatively prime to 21293821.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-three thousand eight hundred twenty-one

Notation

Scientific notation 2.1293821 × 10^7
Engineering notation 2.1293821 × 10^6

Prime Factorization of 21293821

Prime Factorization 277 × 76873

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21293821
Product of the distinct prime numbers

The prime factorization of 21293821 is 277 × 76873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21293821)

Multiplication

n×y
n×2 42587642
n×3 63881463
n×4 85175284
n×5 106469105

Division

n÷y
n÷2 10646910.5
n÷3 7097940.3333333
n÷3 5323455.25
n÷5 4258764.2

Exponentiation

ny
n2 453426812780041
n3 9.6551893879387E+21
n4 2.0559587454787E+29
n5 4.3779217509607E+36

Nth Root

y√n
2√n 4614.5228355703
3√n 277.17317690797
4√n 67.930279224881
5√n 29.218015813639

Divisors of 21293821

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 -21293820
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 21293821 can be divided by 4 positive divisors. The sum of these divisors (counting 21293821) is 1, the average is 0.25.

Base conversion 21293821

Base System Value
2 Binary 1010001001110101011111101
3 Ternary 1111001211122001
4 Quaternary 1101032223331
5 Quinary 20422400241
6 Senary 2040222301
8 Octal 121165375
10 Decimal 21293821
12 Duodecimal 716a991
16 Hexadecimal 144eafd
20 Vigesimal 6d1eb1
36 Base36 coef1

Cryptographic Hash Functions

md5 c178701bff855a13e63c1744a5bc4438
sha1 b7399a40fa46f83d60f1ffd9ec79e0006ee725b0
sha256 6094610fa6ccc3b40c6a0bfb8336294d24afc153b9f2ac3928f2e8c4b406bfc7
sha512 3555339c1605229706e0ef24119c2816962333982c5adfac9c926b3c35feb5051b6a5ee036091e71ba6edc6dd5af7abe9f2bb5c95669e400da5a7fb06f396352
ripemd-160 8f1de6410ac71c1df7e02eca4a25f338b3ab7681

21293821 as geometric shapes

Circle

Radius = n
Diameter 42587642
Circumference 133793023.24091
Area 1.4244823439704E+15

Sphere

Radius = n
Volume 4.0443562733555E+22
Surface area 5.6979293758816E+15
Circumference 133793023.24091

Square

Length = n
Perimeter 85175284
Area 453426812780041
Diagonal 30114010.452945

Cube

Length = n
Surface area 2720560876680246
Volume 9.6551893879387E+21
Space diagonal 36881979.859277

Equilateral Triangle

Length = n
Perimeter 63881463
Area 1.9633956931226E+14
Altitude 18440989.929639

Triangular Pyramid

Length = n
Surface area 1.9633956931226E+14
Volume 1.137874981642E+21
Height 10038003.484315