21009005 (number)

21009005 is an odd 8-digits composite number following 21009004 and preceding 21009006. In scientific notation, it is written as 2.1009005 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 16076368 positive integers (up to 21009005) that are relatively prime to 21009005.

Interesting facts

Basic properties

Name

Name twenty-one million nine thousand five

Notation

Scientific notation 2.1009005 × 10^7
Engineering notation 2.1009005 × 10^6

Prime Factorization of 21009005

Prime Factorization 115 × 182687

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21009005
Product of the distinct prime numbers

The prime factorization of 21009005 is 115 × 182687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21009005)

Multiplication

n×y
n×2 42018010
n×3 63027015
n×4 84036020
n×5 105045025

Division

n÷y
n÷2 10504502.5
n÷3 7003001.6666667
n÷3 5252251.25
n÷5 4201801

Exponentiation

ny
n2 441378291090025
n3 9.2729187244018E+21
n4 1.9481479584555E+29
n5 4.0928650199932E+36

Nth Root

y√n
2√n 4583.5581157001
3√n 275.93184710148
4√n 67.701980146079
5√n 29.139432996271

Divisors of 21009005

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21009004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21009005 can be divided by 4 positive divisors. The sum of these divisors (counting 21009005) is 1, the average is 0.25.

Base conversion 21009005

Base System Value
2 Binary 1010000001001001001101101
3 Ternary 1110112100221022
4 Quaternary 1100021021231
5 Quinary 20334242010
6 Senary 2030143525
8 Octal 120111155
10 Decimal 21009005
12 Duodecimal 7051ba5
16 Hexadecimal 140926d
20 Vigesimal 6b62a5
36 Base36 cianh

Cryptographic Hash Functions

md5 21984a4d71b4500ad43593fc073e04ee
sha1 00b71289907a47c26f06f6ec4f85ac0479b44d31
sha256 3b118bf480eee398a9dc7a1b7b188fbcd19f1fea8440aca3001d72b171b91e16
sha512 7751ae8b7abb9ebf33e99d5a5dcce287f99b0ae7f336d632c6634727d9be2e61557ea08c1c82eb6feac5ef3e3bcd6d8762e5d129a8421798dbe4be7fbe1bf2b2
ripemd-160 963ef179b3fd94800f58a350cdde693d3ace7a2a

21009005 as geometric shapes

Circle

Radius = n
Diameter 42018010
Circumference 132003471.53446
Area 1.3866307967424E+15

Sphere

Radius = n
Volume 3.8842311122555E+22
Surface area 5.5465231869698E+15
Circumference 132003471.53446

Square

Length = n
Perimeter 84036020
Area 441378291090025
Diagonal 29711219.802964

Cube

Length = n
Surface area 2648269746540150
Volume 9.2729187244018E+21
Space diagonal 36388664.076469

Equilateral Triangle

Length = n
Perimeter 63027015
Area 1.9112240638146E+14
Altitude 18194332.038234

Triangular Pyramid

Length = n
Surface area 1.9112240638146E+14
Volume 1.0928239519027E+21
Height 9903739.9343214