21020791 (number)

21020791 is an odd 8-digits composite number following 21020790 and preceding 21020792. In scientific notation, it is written as 2.1020791 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 18993720 positive integers (up to 21020791) that are relatively prime to 21020791.

Interesting facts

Basic properties

Name

Name twenty-one million twenty thousand seven hundred ninety-one

Notation

Scientific notation 2.1020791 × 10^7
Engineering notation 2.1020791 × 10^6

Prime Factorization of 21020791

Prime Factorization 11 × 167 × 11443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21020791
Product of the distinct prime numbers

The prime factorization of 21020791 is 11 × 167 × 11443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21020791)

Multiplication

n×y
n×2 42041582
n×3 63062373
n×4 84083164
n×5 105103955

Division

n÷y
n÷2 10510395.5
n÷3 7006930.3333333
n÷3 5255197.75
n÷5 4204158.2

Exponentiation

ny
n2 441873654265681
n3 9.2885337347251E+21
n4 1.9525232633411E+29
n5 4.1043583441331E+36

Nth Root

y√n
2√n 4584.8436178347
3√n 275.98343648412
4√n 67.711473310177
5√n 29.142701692872

Divisors of 21020791

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 -21020790
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 21020791 can be divided by 8 positive divisors. The sum of these divisors (counting 21020791) is 1, the average is 0.125.

Base conversion 21020791

Base System Value
2 Binary 1010000001100000001110111
3 Ternary 1110112222002211
4 Quaternary 1100030001313
5 Quinary 20340131131
6 Senary 2030314251
8 Octal 120140167
10 Decimal 21020791
12 Duodecimal 7058987
16 Hexadecimal 140c077
20 Vigesimal 6b7bjb
36 Base36 cijqv

Cryptographic Hash Functions

md5 ce2805ba542d4b5744c71c43859b17c7
sha1 a525f25fadfb815976117205aa089d3ada7bb569
sha256 3b6ffc6d4acf62e4e9ee9759514f04ef7197c96fdaabeb89bac11fdeba3528b6
sha512 7d28e64493d1d7f922c992622df60eb86e202b07c3fa24cf8644323b7b2661f31ce0de87000e863178c52d52aab93dfa85d9a066bb5bbb38c819f34ff2e7f18e
ripemd-160 456e2ec8f3f9efc6f5fbcfebe73212a6310fc885

21020791 as geometric shapes

Circle

Radius = n
Diameter 42041582
Circumference 132077525.15649
Area 1.3881870260559E+15

Sphere

Radius = n
Volume 3.8907719124845E+22
Surface area 5.5527481042238E+15
Circumference 132077525.15649

Square

Length = n
Perimeter 84083164
Area 441873654265681
Diagonal 29727887.72401

Cube

Length = n
Surface area 2651241925594086
Volume 9.2885337347251E+21
Space diagonal 36409078.027287

Equilateral Triangle

Length = n
Perimeter 63062373
Area 1.9133690492857E+14
Altitude 18204539.013643

Triangular Pyramid

Length = n
Surface area 1.9133690492857E+14
Volume 1.0946641985174E+21
Height 9909295.9080034