21492811 (number)

21492811 is an odd 8-digits composite number following 21492810 and preceding 21492812. In scientific notation, it is written as 2.1492811 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20169600 positive integers (up to 21492811) that are relatively prime to 21492811.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492811 × 10^7
Engineering notation 2.1492811 × 10^6

Prime Factorization of 21492811

Prime Factorization 17 × 383 × 3301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492811
Product of the distinct prime numbers

The prime factorization of 21492811 is 17 × 383 × 3301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492811)

Multiplication

n×y
n×2 42985622
n×3 64478433
n×4 85971244
n×5 107464055

Division

n÷y
n÷2 10746405.5
n÷3 7164270.3333333
n÷3 5373202.75
n÷5 4298562.2

Exponentiation

ny
n2 461940924681721
n3 9.9284089873495E+21
n4 2.133894178958E+29
n5 4.5863384282345E+36

Nth Root

y√n
2√n 4636.0339731283
3√n 278.03389249152
4√n 68.088427600645
5√n 29.272421089563

Divisors of 21492811

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 -21492810
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 21492811 can be divided by 8 positive divisors. The sum of these divisors (counting 21492811) is 1, the average is 0.125.

Base conversion 21492811

Base System Value
2 Binary 1010001111111010001001011
3 Ternary 1111102221121001
4 Quaternary 1101333101023
5 Quinary 21000232221
6 Senary 2044355431
8 Octal 121772113
10 Decimal 21492811
12 Duodecimal 7245b77
16 Hexadecimal 147f44b
20 Vigesimal 6e6c0b
36 Base36 csnyj

Cryptographic Hash Functions

md5 2289d8cc59f708350bfcd3c03f2ee3ed
sha1 ecb21db3a5db4bc8926ecac3979551bd0e106e01
sha256 6dba56579e8957b0f5bca59f9fae9226763f49516b6e32a46f43fdce513ab416
sha512 da3c19cc28514e083215d3a5ac68427883897d1d00455c99ce40ce59334c9ae75d43e2c67dd4fa8f11d94043ebdd914f7db0e4b5647c66cb712baa962259bcfb
ripemd-160 6b49f73a895b6498e59585743cec6149af1f775a

21492811 as geometric shapes

Circle

Radius = n
Diameter 42985622
Circumference 135043314.28519
Area 1.4512302153726E+15

Sphere

Radius = n
Volume 4.1588022315323E+22
Surface area 5.8049208614903E+15
Circumference 135043314.28519

Square

Length = n
Perimeter 85971244
Area 461940924681721
Diagonal 30395424.809722

Cube

Length = n
Surface area 2771645548090326
Volume 9.9284089873495E+21
Space diagonal 37226640.649475

Equilateral Triangle

Length = n
Perimeter 64478433
Area 2.0002628791102E+14
Altitude 18613320.324738

Triangular Pyramid

Length = n
Surface area 2.0002628791102E+14
Volume 1.1700742202247E+21
Height 10131808.269907