21072009 (number)

21072009 is an odd 8-digits composite number following 21072008 and preceding 21072010. In scientific notation, it is written as 2.1072009 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 11623584 positive integers (up to 21072009) that are relatively prime to 21072009.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand nine

Notation

Scientific notation 2.1072009 × 10^7
Engineering notation 2.1072009 × 10^6

Prime Factorization of 21072009

Prime Factorization 29 × 21 × 7 × 4943

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21072009
Product of the distinct prime numbers

The prime factorization of 21072009 is 29 × 21 × 7 × 4943. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072009)

Multiplication

n×y
n×2 42144018
n×3 63216027
n×4 84288036
n×5 105360045

Division

n÷y
n÷2 10536004.5
n÷3 7024003
n÷3 5268002.25
n÷5 4214401.8

Exponentiation

ny
n2 444029563296081
n3 9.3565949540411E+21
n4 1.9716225308091E+29
n5 4.1546047713812E+36

Nth Root

y√n
2√n 4590.4257972436
3√n 276.20740291717
4√n 67.752681107419
5√n 29.156889344292

Divisors of 21072009

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 -21072008
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 21072009 can be divided by 16 positive divisors. The sum of these divisors (counting 21072009) is 1, the average is 0.0625.

Base conversion 21072009

Base System Value
2 Binary 1010000011000100010001001
3 Ternary 1110122120100210
4 Quaternary 1100120202021
5 Quinary 20343301014
6 Senary 2031351333
8 Octal 120304211
10 Decimal 21072009
12 Duodecimal 7082549
16 Hexadecimal 1418889
20 Vigesimal 6be009
36 Base36 cjn9l

Cryptographic Hash Functions

md5 01e413febd0f16d3dcc0698f912451fe
sha1 334b0c697e21537389d49546dd1c26ed554ef0a2
sha256 97b6deea5dce4cd874bc41a314e639d4dfd471feb7b7bb3f5a7b97298c086b72
sha512 dbc581cee7146ba19865a50a0774d7b61c91097eaad34501df7d14cacc60905657544eac8ee5814910f775025e26e5c818e1c82fddb98a19b8408174d44bb8cb
ripemd-160 8de9404099d50feef030db49bbac20817cc5bd63

21072009 as geometric shapes

Circle

Radius = n
Diameter 42144018
Circumference 132399337.34156
Area 1.3949600140277E+15

Sphere

Radius = n
Volume 3.9192813293641E+22
Surface area 5.5798400561106E+15
Circumference 132399337.34156

Square

Length = n
Perimeter 84288036
Area 444029563296081
Diagonal 29800320.914248

Cube

Length = n
Surface area 2664177379776486
Volume 9.3565949540411E+21
Space diagonal 36497790.205549

Equilateral Triangle

Length = n
Perimeter 63216027
Area 1.9227044092286E+14
Altitude 18248895.102774

Triangular Pyramid

Length = n
Surface area 1.9227044092286E+14
Volume 1.1026852901364E+21
Height 9933440.3047493