21084490 (number)

21084490 is an even 8-digits composite number following 21084489 and preceding 21084491. In scientific notation, it is written as 2.1084490 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 6730560 positive integers (up to 21084490) that are relatively prime to 21084490.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand four hundred ninety

Notation

Scientific notation 2.1084490 × 10^7
Engineering notation 2.1084490 × 10^6

Prime Factorization of 21084490

Prime Factorization 2 × 133 × 5 × 83 × 191

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21084490
Product of the distinct prime numbers

The prime factorization of 21084490 is 2 × 133 × 5 × 83 × 191. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084490)

Multiplication

n×y
n×2 42168980
n×3 63253470
n×4 84337960
n×5 105422450

Division

n÷y
n÷2 10542245
n÷3 7028163.3333333
n÷3 5271122.5
n÷5 4216898

Exponentiation

ny
n2 444555718560100
n3 9.3732306024232E+21
n4 1.9762978690449E+29
n5 4.1669232656898E+36

Nth Root

y√n
2√n 4591.785055945
3√n 276.26192491673
4√n 67.762711397531
5√n 29.160342464964

Divisors of 21084490

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084490 can be divided by 32 positive divisors. The sum of these divisors (counting 21084490) is 1, the average is 0.03125.

Base conversion 21084490

Base System Value
2 Binary 1010000011011100101001010
3 Ternary 1110200012111001
4 Quaternary 1100123211022
5 Quinary 20344200430
6 Senary 2031525214
8 Octal 120334512
10 Decimal 21084490
12 Duodecimal 708980a
16 Hexadecimal 141b94a
20 Vigesimal 6bfb4a
36 Base36 cjwwa

Cryptographic Hash Functions

md5 fdac7a4e69225f50d62366853cbebb28
sha1 73c80e6fea33d07a138a086771d34fb41fb8b945
sha256 c15a5282a6d95fc4ee28e67c6446a3feb5d932644bccd54498618ed4435020a5
sha512 46e416af8b35623dd62f8d859502879e0d9f1e891a3ce2f8338682cca8942963550efa3ecc5f45dba0094218e0edd90f28e12ab8666ebeb62d2a92510a8a3b5d
ripemd-160 8369373a16cef52b7485e124b3288d3ec1c503a6

21084490 as geometric shapes

Circle

Radius = n
Diameter 42168980
Circumference 132477757.77737
Area 1.3966129795397E+15

Sphere

Radius = n
Volume 3.9262496534635E+22
Surface area 5.586451918159E+15
Circumference 132477757.77737

Square

Length = n
Perimeter 84337960
Area 444555718560100
Diagonal 29817971.71372

Cube

Length = n
Surface area 2667334311360600
Volume 9.3732306024232E+21
Space diagonal 36519407.931678

Equilateral Triangle

Length = n
Perimeter 63253470
Area 1.9249827283535E+14
Altitude 18259703.965839

Triangular Pyramid

Length = n
Surface area 1.9249827283535E+14
Volume 1.1046458200998E+21
Height 9939323.9045733