21000492 (number)

21000492 is an even 8-digits composite number following 21000491 and preceding 21000493. In scientific notation, it is written as 2.1000492 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 48 positive divisors. There are 6967296 positive integers (up to 21000492) that are relatively prime to 21000492.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two

Notation

Scientific notation 2.1000492 × 10^7
Engineering notation 2.1000492 × 10^6

Prime Factorization of 21000492

Prime Factorization 2 × 2 × 3 × 9 × 337 × 577

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10500246
Product of the distinct prime numbers

The prime factorization of 21000492 is 2 × 2 × 3 × 9 × 337 × 577. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000492)

Multiplication

n×y
n×2 42000984
n×3 63001476
n×4 84001968
n×5 105002460

Division

n÷y
n÷2 10500246
n÷3 7000164
n÷3 5250123
n÷5 4200098.4

Exponentiation

ny
n2 441020664242064
n3 9.2616509312502E+21
n4 1.9449922628851E+29
n5 4.0845794456781E+36

Nth Root

y√n
2√n 4582.6293762424
3√n 275.89457220969
4√n 67.695120771311
5√n 29.137071111833

Divisors of 21000492

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000491
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000492 can be divided by 48 positive divisors. The sum of these divisors (counting 21000492) is 1, the average is 0.020833333333333.

Base conversion 21000492

Base System Value
2 Binary 1010000000111000100101100
3 Ternary 1110111221021000
4 Quaternary 1100013010230
5 Quinary 20334003432
6 Senary 2030040300
8 Octal 120070454
10 Decimal 21000492
12 Duodecimal 7049090
16 Hexadecimal 140712c
20 Vigesimal 6b514c
36 Base36 ci430

Cryptographic Hash Functions

md5 16d1621ab73dbab6d49b3e1f4d2ab9fd
sha1 c7f2df5ff54ad0b4229ace524d25359c0850021f
sha256 9c668f690571b9dc27fe9d860c86fd4bebdc2f424035aca82d605e6c8f0470fc
sha512 92f3fc9da7cbd1f4944df5e5fe091d2961fee2c6cdda27d2d81ca0384a82a8aaeab78e2993780e7129f8b419b1039093fc2210ba37ccd3275c30b5455dbf19f3
ripemd-160 2098261022cde199e340f5f690f30c55e8506482

21000492 as geometric shapes

Circle

Radius = n
Diameter 42000984
Circumference 131949982.77794
Area 1.3855072788642E+15

Sphere

Radius = n
Volume 3.8795112700971E+22
Surface area 5.5420291154566E+15
Circumference 131949982.77794

Square

Length = n
Perimeter 84001968
Area 441020664242064
Diagonal 29699180.602908

Cube

Length = n
Surface area 2646123985452384
Volume 9.2616509312502E+21
Space diagonal 36373919.127944

Equilateral Triangle

Length = n
Perimeter 63001476
Area 1.9096754941376E+14
Altitude 18186959.563972

Triangular Pyramid

Length = n
Surface area 1.9096754941376E+14
Volume 1.0914960297449E+21
Height 9899726.8676359