21000490 (number)

21000490 is an even 8-digits composite number following 21000489 and preceding 21000491. In scientific notation, it is written as 2.1000490 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 7200144 positive integers (up to 21000490) that are relatively prime to 21000490.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety

Notation

Scientific notation 2.1000490 × 10^7
Engineering notation 2.1000490 × 10^6

Prime Factorization of 21000490

Prime Factorization 2 × 5 × 7 × 300007

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000490
Product of the distinct prime numbers

The prime factorization of 21000490 is 2 × 5 × 7 × 300007. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000490)

Multiplication

n×y
n×2 42000980
n×3 63001470
n×4 84001960
n×5 105002450

Division

n÷y
n÷2 10500245
n÷3 7000163.3333333
n÷3 5250122.5
n÷5 4200098

Exponentiation

ny
n2 441020580240100
n3 9.2616482851264E+21
n4 1.9449915219531E+29
n5 4.0845775006862E+36

Nth Root

y√n
2√n 4582.6291580271
3√n 275.89456345134
4√n 67.69511915956
5√n 29.137070556854

Divisors of 21000490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000490 can be divided by 16 positive divisors. The sum of these divisors (counting 21000490) is 1, the average is 0.0625.

Base conversion 21000490

Base System Value
2 Binary 1010000000111000100101010
3 Ternary 1110111221020221
4 Quaternary 1100013010222
5 Quinary 20334003430
6 Senary 2030040254
8 Octal 120070452
10 Decimal 21000490
12 Duodecimal 704908a
16 Hexadecimal 140712a
20 Vigesimal 6b514a
36 Base36 ci42y

Cryptographic Hash Functions

md5 e4139812ea27c7799bcdbae4a803f33c
sha1 22d33627fc7bd9a84e4a6c078206b86c1c185dba
sha256 0106c3be42d326edec69cb78059da34ccf02bc5f82561a2b8c9a698264b1104a
sha512 2513bc44f4de4775aa059dc260a3102977483d9edb2b07f13748a0659c77c7f6c4d235e3e95a2962df2a5b0c79d5558580c4cba2312dacda7aee06e1170e8f07
ripemd-160 ce370bca95495ffeea8a80d7a1c84b7fb9a65027

21000490 as geometric shapes

Circle

Radius = n
Diameter 42000980
Circumference 131949970.21157
Area 1.3855070149642E+15

Sphere

Radius = n
Volume 3.8795101616914E+22
Surface area 5.5420280598568E+15
Circumference 131949970.21157

Square

Length = n
Perimeter 84001960
Area 441020580240100
Diagonal 29699177.774481

Cube

Length = n
Surface area 2646123481440600
Volume 9.2616482851264E+21
Space diagonal 36373915.663842

Equilateral Triangle

Length = n
Perimeter 63001470
Area 1.9096751303984E+14
Altitude 18186957.831921

Triangular Pyramid

Length = n
Surface area 1.9096751303984E+14
Volume 1.0914957178963E+21
Height 9899725.9248269