21082988 (number)

21082988 is an even 8-digits composite number following 21082987 and preceding 21082989. In scientific notation, it is written as 2.1082988 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 10541492 positive integers (up to 21082988) that are relatively prime to 21082988.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand nine hundred eighty-eight

Notation

Scientific notation 2.1082988 × 10^7
Engineering notation 2.1082988 × 10^6

Prime Factorization of 21082988

Prime Factorization 2 × 2 × 5270747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10541494
Product of the distinct prime numbers

The prime factorization of 21082988 is 2 × 2 × 5270747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082988)

Multiplication

n×y
n×2 42165976
n×3 63248964
n×4 84331952
n×5 105414940

Division

n÷y
n÷2 10541494
n÷3 7027662.6666667
n÷3 5270747
n÷5 4216597.6

Exponentiation

ny
n2 444492383008144
n3 9.3712275770521E+21
n4 1.9757347855226E+29
n5 4.1654392774355E+36

Nth Root

y√n
2√n 4591.6215000803
3√n 276.25536471909
4√n 67.761504558859
5√n 29.159926992903

Divisors of 21082988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21082987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082988 can be divided by 6 positive divisors. The sum of these divisors (counting 21082988) is 1, the average is 0.16666666666667.

Base conversion 21082988

Base System Value
2 Binary 1010000011011001101101100
3 Ternary 1110200010102102
4 Quaternary 1100123031230
5 Quinary 20344123423
6 Senary 2031514232
8 Octal 120331554
10 Decimal 21082988
12 Duodecimal 7088978
16 Hexadecimal 141b36c
20 Vigesimal 6bf798
36 Base36 cjvqk

Cryptographic Hash Functions

md5 5b89f74a47a01d86a0d63998f1dec13d
sha1 de1ea9da4df2bb2adb3242800c91985da8286d45
sha256 1c37719f33ab3449b4e525e3b2566622118dfb1c76763f33e67be56b3cb5113f
sha512 1e9dded0f531ef537fff2f19a9a58b3d80632bce48e67855a365253ccff677f319aaa8464b0814cdcfa204d802a9e8bf3484b5ef93b4a48de6f1fbdeb3aa3e7c
ripemd-160 1e19c06281a32de0ff39c2bb29752368304d5b03

21082988 as geometric shapes

Circle

Radius = n
Diameter 42165976
Circumference 132468320.43304
Area 1.396414005035E+15

Sphere

Radius = n
Volume 3.925410628158E+22
Surface area 5.58565602014E+15
Circumference 132468320.43304

Square

Length = n
Perimeter 84331952
Area 444492383008144
Diagonal 29815847.564949

Cube

Length = n
Surface area 2666954298048864
Volume 9.3712275770521E+21
Space diagonal 36516806.391365

Equilateral Triangle

Length = n
Perimeter 63248964
Area 1.9247084773687E+14
Altitude 18258403.195682

Triangular Pyramid

Length = n
Surface area 1.9247084773687E+14
Volume 1.104409761296E+21
Height 9938615.8549831