20872021 (number)

20872021 is an odd 8-digits composite number following 20872020 and preceding 20872022. In scientific notation, it is written as 2.0872021 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20198700 positive integers (up to 20872021) that are relatively prime to 20872021.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seventy-two thousand twenty-one

Notation

Scientific notation 2.0872021 × 10^7
Engineering notation 2.0872021 × 10^6

Prime Factorization of 20872021

Prime Factorization 31 × 673291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20872021
Product of the distinct prime numbers

The prime factorization of 20872021 is 31 × 673291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20872021)

Multiplication

n×y
n×2 41744042
n×3 62616063
n×4 83488084
n×5 104360105

Division

n÷y
n÷2 10436010.5
n÷3 6957340.3333333
n÷3 5218005.25
n÷5 4174404.2

Exponentiation

ny
n2 435641260624441
n3 9.0927135402198E+21
n4 1.8978330795845E+29
n5 3.9611611891583E+36

Nth Root

y√n
2√n 4568.5907017372
3√n 275.33082389915
4√n 67.591350790891
5√n 29.101334213459

Divisors of 20872021

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 -20872020
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 20872021 can be divided by 4 positive divisors. The sum of these divisors (counting 20872021) is 1, the average is 0.25.

Base conversion 20872021

Base System Value
2 Binary 1001111100111101101010101
3 Ternary 1110021102000211
4 Quaternary 1033213231111
5 Quinary 20320401041
6 Senary 2023205421
8 Octal 117475525
10 Decimal 20872021
12 Duodecimal 6ba6871
16 Hexadecimal 13e7b55
20 Vigesimal 6a9011
36 Base36 cfcyd

Cryptographic Hash Functions

md5 01224a44fcf7af95240fcb7d83d3ac50
sha1 8583d854fc73fbce9523e8a50d25d3b018ae30ce
sha256 7e62d63169236ed8ac0611585f576444ad9e7f2ce07516d6a3e3ca4d4cda6ada
sha512 ddb1d14822a8b916f7ca5097f87b289b1703858dbe9b29a478225afd380fc9f979d63b2dc6a5c49db76ad471b24a1eafb4a4ae38e4185ba47afacd174e0df517
ripemd-160 67b49dc71b7a201098008b379cee41e738b1bc2d

20872021 as geometric shapes

Circle

Radius = n
Diameter 41744042
Circumference 131142775.67834
Area 1.3686073839783E+15

Sphere

Radius = n
Volume 3.8087469412201E+22
Surface area 5.4744295359134E+15
Circumference 131142775.67834

Square

Length = n
Perimeter 83488084
Area 435641260624441
Diagonal 29517495.172336

Cube

Length = n
Surface area 2613847563746646
Volume 9.0927135402198E+21
Space diagonal 36151400.828645

Equilateral Triangle

Length = n
Perimeter 62616063
Area 1.8863819931872E+14
Altitude 18075700.414322

Triangular Pyramid

Length = n
Surface area 1.8863819931872E+14
Volume 1.0715865672794E+21
Height 9839165.0574454