21020005 (number)

21020005 is an odd 8-digits composite number following 21020004 and preceding 21020006. In scientific notation, it is written as 2.1020005 × 10^7. The sum of its digits is 10. It has a total of 2 prime factors and 4 positive divisors. There are 16816000 positive integers (up to 21020005) that are relatively prime to 21020005.

Interesting facts

Basic properties

Name

Name twenty-one million twenty thousand five

Notation

Scientific notation 2.1020005 × 10^7
Engineering notation 2.1020005 × 10^6

Prime Factorization of 21020005

Prime Factorization 5 × 4204001

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21020005
Product of the distinct prime numbers

The prime factorization of 21020005 is 5 × 4204001. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21020005)

Multiplication

n×y
n×2 42040010
n×3 63060015
n×4 84080020
n×5 105100025

Division

n÷y
n÷2 10510002.5
n÷3 7006668.3333333
n÷3 5255001.25
n÷5 4204001

Exponentiation

ny
n2 441840610200025
n3 9.2874918356076E+21
n4 1.9522312482193E+29
n5 4.1035910598726E+36

Nth Root

y√n
2√n 4584.7578998242
3√n 275.9799966249
4√n 67.710840342032
5√n 29.142483751443

Divisors of 21020005

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 -21020004
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 21020005 can be divided by 4 positive divisors. The sum of these divisors (counting 21020005) is 1, the average is 0.25.

Base conversion 21020005

Base System Value
2 Binary 1010000001011110101100101
3 Ternary 1110112221000201
4 Quaternary 1100023311211
5 Quinary 20340120010
6 Senary 2030310501
8 Octal 120136545
10 Decimal 21020005
12 Duodecimal 7058431
16 Hexadecimal 140bd65
20 Vigesimal 6b7a05
36 Base36 cij51

Cryptographic Hash Functions

md5 e91b99d02b9ed2a8c8e89fdb1e2fe32e
sha1 3bd43e47a5f7e23d6bebc9195daf0cf76326e426
sha256 4f6e99e12ae653ea5c2cfdf6163d3fdc808a7e27b18fa7239e5e57338739d509
sha512 26305ededb58314a93ce2b764739c6505424eff630c892e02258031ccdf501e06f71bd2892d88b877ba7c1212ed47a5d413f71fb39077778fc94b4e32a72ded4
ripemd-160 f2832e8ae8731e67ddb36d7384d783dcf22a9fdb

21020005 as geometric shapes

Circle

Radius = n
Diameter 42040010
Circumference 132072586.57284
Area 1.388083215062E+15

Sphere

Radius = n
Volume 3.8903354828027E+22
Surface area 5.5523328602481E+15
Circumference 132072586.57284

Square

Length = n
Perimeter 84080020
Area 441840610200025
Diagonal 29726776.15215

Cube

Length = n
Surface area 2651043661200150
Volume 9.2874918356076E+21
Space diagonal 36407716.635352

Equilateral Triangle

Length = n
Perimeter 63060015
Area 1.9132259642842E+14
Altitude 18203858.317676

Triangular Pyramid

Length = n
Surface area 1.9132259642842E+14
Volume 1.0945414095288E+21
Height 9908925.3840501