21002009 (number)

21002009 is an odd 8-digits composite number following 21002008 and preceding 21002010. In scientific notation, it is written as 2.1002009 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 17826336 positive integers (up to 21002009) that are relatively prime to 21002009.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand nine

Notation

Scientific notation 2.1002009 × 10^7
Engineering notation 2.1002009 × 10^6

Prime Factorization of 21002009

Prime Factorization 7 × 103 × 29129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21002009
Product of the distinct prime numbers

The prime factorization of 21002009 is 7 × 103 × 29129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21002009)

Multiplication

n×y
n×2 42004018
n×3 63006027
n×4 84008036
n×5 105010045

Division

n÷y
n÷2 10501004.5
n÷3 7000669.6666667
n÷3 5250502.25
n÷5 4200401.8

Exponentiation

ny
n2 441084382036081
n3 9.2636581612812E+21
n4 1.9455543207615E+29
n5 4.0860549354622E+36

Nth Root

y√n
2√n 4582.7948895843
3√n 275.90121526022
4√n 67.6963432512
5√n 29.137492051112

Divisors of 21002009

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 -21002008
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 21002009 can be divided by 8 positive divisors. The sum of these divisors (counting 21002009) is 1, the average is 0.125.

Base conversion 21002009

Base System Value
2 Binary 1010000000111011100011001
3 Ternary 1110112000100012
4 Quaternary 1100013130121
5 Quinary 20334031014
6 Senary 2030051305
8 Octal 120073431
10 Decimal 21002009
12 Duodecimal 7049b35
16 Hexadecimal 1407719
20 Vigesimal 6b5509
36 Base36 ci595

Cryptographic Hash Functions

md5 c36c905684992d77b942478c9b638e44
sha1 d51d991222320377adcbac5d0a5eab04f1150a38
sha256 277fc40a777b2d8e285ec5c3ddcaedec913e2c1101217d7599a4e87f892a3389
sha512 c0d5dab0515baeb7e341ff1d80f479980bd17ddff69b15f8b1994087282ce76669a65d02d6f1b4473e440bf457a0f20cf9049b206b9c5a409eec98f422a4a014
ripemd-160 fd8cd900418ab81ce905fadba842a766e8742908

21002009 as geometric shapes

Circle

Radius = n
Diameter 42004018
Circumference 131959514.37005
Area 1.3857074542177E+15

Sphere

Radius = n
Volume 3.8803520566464E+22
Surface area 5.542829816871E+15
Circumference 131959514.37005

Square

Length = n
Perimeter 84008036
Area 441084382036081
Diagonal 29701325.964882

Cube

Length = n
Surface area 2646506292216486
Volume 9.2636581612812E+21
Space diagonal 36376546.649019

Equilateral Triangle

Length = n
Perimeter 63006027
Area 1.909951400279E+14
Altitude 18188273.324509

Triangular Pyramid

Length = n
Surface area 1.909951400279E+14
Volume 1.0917325840727E+21
Height 9900441.9882939