20131721 (number)

20131721 is an odd 8-digits composite number following 20131720 and preceding 20131722. In scientific notation, it is written as 2.0131721 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 19746720 positive integers (up to 20131721) that are relatively prime to 20131721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131721 × 10^7
Engineering notation 2.0131721 × 10^6

Prime Factorization of 20131721

Prime Factorization 95411 × 211

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20131721
Product of the distinct prime numbers

The prime factorization of 20131721 is 95411 × 211. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131721)

Multiplication

n×y
n×2 40263442
n×3 60395163
n×4 80526884
n×5 100658605

Division

n÷y
n÷2 10065860.5
n÷3 6710573.6666667
n÷3 5032930.25
n÷5 4026344.2

Exponentiation

ny
n2 405286190421841
n3 8.1591085107254E+21
n4 1.6425689614665E+29
n5 3.3067740055503E+36

Nth Root

y√n
2√n 4486.8386420731
3√n 272.03636786644
4√n 66.983868521257
5√n 28.891905161043

Divisors of 20131721

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 -20131720
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 20131721 can be divided by 4 positive divisors. The sum of these divisors (counting 20131721) is 1, the average is 0.25.

Base conversion 20131721

Base System Value
2 Binary 1001100110010111110001001
3 Ternary 1101212210112022
4 Quaternary 1030302332021
5 Quinary 20123203341
6 Senary 1555254225
8 Octal 114627611
10 Decimal 20131721
12 Duodecimal 68aa375
16 Hexadecimal 1332f89
20 Vigesimal 65g961
36 Base36 bzhqh

Cryptographic Hash Functions

md5 bcd8f68d666ca7a044e619a712c40927
sha1 d498418bffbfea84845eaccccb700cd01af4bc26
sha256 f1f3d2f66a4727050c03172fc5ebe3be2738a6bc50bf20d195794b296212e6d2
sha512 d8fa935b76c5a438dc9ee92904c7b7dc85572700992775812d519cd4182c49d5208f846cfaf1e1f43f1810c574ea0ce179e94dde948b99af1222637a1954bbf9
ripemd-160 d9c467ab97909bbc8f708cd5d5d2c7a3a404f6ce

20131721 as geometric shapes

Circle

Radius = n
Diameter 40263442
Circumference 126491333.59544
Area 1.2732441184306E+15

Sphere

Radius = n
Volume 3.4176793809516E+22
Surface area 5.0929764737226E+15
Circumference 126491333.59544

Square

Length = n
Perimeter 80526884
Area 405286190421841
Diagonal 28470552.872111

Cube

Length = n
Surface area 2431717142531046
Volume 8.1591085107254E+21
Space diagonal 34869163.615801

Equilateral Triangle

Length = n
Perimeter 60395163
Area 1.7549406835417E+14
Altitude 17434581.807901

Triangular Pyramid

Length = n
Surface area 1.7549406835417E+14
Volume 9.6156015939513E+20
Height 9490184.2907037