20020721 (number)

20020721 is an odd 8-digits composite number following 20020720 and preceding 20020722. In scientific notation, it is written as 2.0020721 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 17160612 positive integers (up to 20020721) that are relatively prime to 20020721.

Interesting facts

Basic properties

Name

Name twenty million twenty thousand seven hundred twenty-one

Notation

Scientific notation 2.0020721 × 10^7
Engineering notation 2.0020721 × 10^6

Prime Factorization of 20020721

Prime Factorization 7 × 2860103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20020721
Product of the distinct prime numbers

The prime factorization of 20020721 is 7 × 2860103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20020721)

Multiplication

n×y
n×2 40041442
n×3 60062163
n×4 80082884
n×5 100103605

Division

n÷y
n÷2 10010360.5
n÷3 6673573.6666667
n÷3 5005180.25
n÷5 4004144.2

Exponentiation

ny
n2 400829269359841
n3 8.0248909704872E+21
n4 1.6066410317554E+29
n5 3.2166111843928E+36

Nth Root

y√n
2√n 4474.4520334897
3√n 271.53547171656
4√n 66.891344981916
5√n 28.859974478884

Divisors of 20020721

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 -20020720
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 20020721 can be divided by 4 positive divisors. The sum of these divisors (counting 20020721) is 1, the average is 0.25.

Base conversion 20020721

Base System Value
2 Binary 1001100010111110111110001
3 Ternary 1101200011021012
4 Quaternary 1030113313301
5 Quinary 20111130341
6 Senary 1553040305
8 Octal 114276761
10 Decimal 20020721
12 Duodecimal 6856095
16 Hexadecimal 1317df1
20 Vigesimal 652bg1
36 Base36 bx435

Cryptographic Hash Functions

md5 6021634810bbc8d14f60ce446cd315fd
sha1 a37e156da2279b847014fe6bc080baa549e42783
sha256 b991f08a94fc60b955761345a3dd92c5918106e702cc6b57463b4c0da582ff20
sha512 22c516542cd67a3a0f7dfafda4be92c05d968a89284cad4cb41113630b0dfef5f85b1b155fc2fbd663b2dab1617a79dee40c5ed34d3ba69581f8c864fcacbd13
ripemd-160 8bd866ccf8e27bf7d857d2f2b12b5ac8051ca118

20020721 as geometric shapes

Circle

Radius = n
Diameter 40041442
Circumference 125793900.02634
Area 1.2592422879646E+15

Sphere

Radius = n
Volume 3.3614584691656E+22
Surface area 5.0369691518586E+15
Circumference 125793900.02634

Square

Length = n
Perimeter 80082884
Area 400829269359841
Diagonal 28313575.166688

Cube

Length = n
Surface area 2404975616159046
Volume 8.0248909704872E+21
Space diagonal 34676905.976161

Equilateral Triangle

Length = n
Perimeter 60062163
Area 1.7356416492299E+14
Altitude 17338452.988081

Triangular Pyramid

Length = n
Surface area 1.7356416492299E+14
Volume 9.457424705857E+20
Height 9437858.3888959