20731021 (number)

20731021 is an odd 8-digits composite number following 20731020 and preceding 20731022. In scientific notation, it is written as 2.0731021 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20720700 positive integers (up to 20731021) that are relatively prime to 20731021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731021 × 10^7
Engineering notation 2.0731021 × 10^6

Prime Factorization of 20731021

Prime Factorization 7591 × 2731

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731021
Product of the distinct prime numbers

The prime factorization of 20731021 is 7591 × 2731. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731021)

Multiplication

n×y
n×2 41462042
n×3 62193063
n×4 82924084
n×5 103655105

Division

n÷y
n÷2 10365510.5
n÷3 6910340.3333333
n÷3 5182755.25
n÷5 4146204.2

Exponentiation

ny
n2 429775231702441
n3 8.9096793537032E+21
n4 1.8470674978489E+29
n5 3.8291595086322E+36

Nth Root

y√n
2√n 4553.1330971102
3√n 274.70942751661
4√n 67.476907880475
5√n 29.061908983759

Divisors of 20731021

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 -20731020
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 20731021 can be divided by 4 positive divisors. The sum of these divisors (counting 20731021) is 1, the average is 0.25.

Base conversion 20731021

Base System Value
2 Binary 1001111000101010010001101
3 Ternary 1110000020121121
4 Quaternary 1033011102031
5 Quinary 20301343041
6 Senary 2020200541
8 Octal 117052215
10 Decimal 20731021
12 Duodecimal 6b39151
16 Hexadecimal 13c548d
20 Vigesimal 69b7b1
36 Base36 ccc5p

Cryptographic Hash Functions

md5 64feb8557b0d98ffa3708aa3ebdab795
sha1 406fe088d227d16f1f5620b1811fc7686dfe2f2f
sha256 b692b2172adc54dd270f3f23044cbdd2b8597a2d7ca62dcca888469209a28c4d
sha512 f4913c77bf9626b8d2ae4e123d70ad07bf1bce9f7ace6c0bdb033b28fe2b739cc84d6eba84b199d079eb99e64fd1fb2630911997ecc4774a266834a20a5daee7
ripemd-160 f3be337196a8c83e69a42d174b025129eb353f1d

20731021 as geometric shapes

Circle

Radius = n
Diameter 41462042
Circumference 130256846.55003
Area 1.3501787106112E+15

Sphere

Radius = n
Volume 3.7320777604579E+22
Surface area 5.400714842445E+15
Circumference 130256846.55003

Square

Length = n
Perimeter 82924084
Area 429775231702441
Diagonal 29318091.060041

Cube

Length = n
Surface area 2578651390214646
Volume 8.9096793537032E+21
Space diagonal 35907181.664777

Equilateral Triangle

Length = n
Perimeter 62193063
Area 1.8609813428583E+14
Altitude 17953590.832389

Triangular Pyramid

Length = n
Surface area 1.8609813428583E+14
Volume 1.0500157815335E+21
Height 9772697.0200138