21492812 (number)

21492812 is an even 8-digits composite number following 21492811 and preceding 21492813. In scientific notation, it is written as 2.1492812 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 9769440 positive integers (up to 21492812) that are relatively prime to 21492812.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand eight hundred twelve

Notation

Scientific notation 2.1492812 × 10^7
Engineering notation 2.1492812 × 10^6

Prime Factorization of 21492812

Prime Factorization 2 × 2 × 11 × 488473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746406
Product of the distinct prime numbers

The prime factorization of 21492812 is 2 × 2 × 11 × 488473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 1, 14, 667, 197, 5809, 9320, 84534, 86104, 304554, 362157, 732068, 2165308, 87075809, 60122387, 244707033, 516661481, 5884158726, 9247253069

Basic calculations (n = 21492812)

Multiplication

n×y
n×2 42985624
n×3 64478436
n×4 85971248
n×5 107464060

Division

n÷y
n÷2 10746406
n÷3 7164270.6666667
n÷3 5373203
n÷5 4298562.4

Exponentiation

ny
n2 461940967667344
n3 9.9284103731723E+21
n4 2.1338945760944E+29
n5 4.5863394951817E+36

Nth Root

y√n
2√n 4636.0340809791
3√n 278.03389680357
4√n 68.088428392636
5√n 29.272421361955

Divisors of 21492812

1, 2, 4, 11, 22, 44, 488473, 976946, 1953892, 5373203, 10746406, 21492812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492812 can be divided by 12 positive divisors. The sum of these divisors (counting 21492812) is 1, the average is 0.083333333333333.

Base conversion 21492812

Base System Value
2 Binary 1010001111111010001001100
3 Ternary 1111102221121002
4 Quaternary 1101333101030
5 Quinary 21000232222
6 Senary 2044355432
8 Octal 121772114
10 Decimal 21492812
12 Duodecimal 7245b78
16 Hexadecimal 147f44c
20 Vigesimal 6e6c0c
36 Base36 csnyk

Cryptographic Hash Functions

md5 b53038e992e2519118cb3aaeba7fd5fc
sha1 afbc521747ddef2ba3cadf7f804945030ad6587a
sha256 34764f9e9409deb0a3115a4d0fa84fd706ea48159cfde967d1877d1ca3e64c9a
sha512 bcdbab4d36a31b569f5da3b3225d3d1fe8b8b339bbe178ef6335f7e6a14a4f669847eed8346e718cfbf4e3ab3af8d4176334c220db9f037499c8e6d56257ab10
ripemd-160 bb9e0e62bab043a83aa3d80cb39ec2e57a24347d

21492812 as geometric shapes

Circle

Radius = n
Diameter 42985624
Circumference 135043320.56837
Area 1.4512303504159E+15

Sphere

Radius = n
Volume 4.1588028120244E+22
Surface area 5.8049214016636E+15
Circumference 135043320.56837

Square

Length = n
Perimeter 85971248
Area 461940967667344
Diagonal 30395426.223935

Cube

Length = n
Surface area 2771645806004064
Volume 9.9284103731723E+21
Space diagonal 37226642.381526

Equilateral Triangle

Length = n
Perimeter 64478436
Area 2.0002630652434E+14
Altitude 18613321.190763

Triangular Pyramid

Length = n
Surface area 2.0002630652434E+14
Volume 1.1700743835455E+21
Height 10131808.741312