20790721 (number)

20790721 is an odd 8-digits composite number following 20790720 and preceding 20790722. In scientific notation, it is written as 2.0790721 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17797968 positive integers (up to 20790721) that are relatively prime to 20790721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0790721 × 10^7
Engineering notation 2.0790721 × 10^6

Prime Factorization of 20790721

Prime Factorization 7 × 2659 × 1117

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20790721
Product of the distinct prime numbers

The prime factorization of 20790721 is 7 × 2659 × 1117. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20790721)

Multiplication

n×y
n×2 41581442
n×3 62372163
n×4 83162884
n×5 103953605

Division

n÷y
n÷2 10395360.5
n÷3 6930240.3333333
n÷3 5197680.25
n÷5 4158144.2

Exponentiation

ny
n2 432254079699841
n3 8.9868739721512E+21
n4 1.8684358941716E+29
n5 3.8846129382107E+36

Nth Root

y√n
2√n 4559.6843092477
3√n 274.97287225516
4√n 67.525434535794
5√n 29.078627898626

Divisors of 20790721

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 -20790720
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 20790721 can be divided by 8 positive divisors. The sum of these divisors (counting 20790721) is 1, the average is 0.125.

Base conversion 20790721

Base System Value
2 Binary 1001111010011110111000001
3 Ternary 1110010021111201
4 Quaternary 1033103313001
5 Quinary 20310300341
6 Senary 2021341201
8 Octal 117236701
10 Decimal 20790721
12 Duodecimal 6b67801
16 Hexadecimal 13d3dc1
20 Vigesimal 69igg1
36 Base36 cdm81

Cryptographic Hash Functions

md5 1104b69d118b6d4f80448f790e9ac12e
sha1 07902f47c79e58e666b50cb9bc0b350aceed6345
sha256 73c21f65bc8cd466217ec86378966ca965ccccc36cb54ee9f99d3c81b4da9b9b
sha512 9f4d2a67826c4c8c06ab225f99545b9cc280158638f4fc8f592420cbbafd64dc8a4aa6756af0c8fcafc165e63e3234d1823845bbed6cab5f10e839069a3a0351
ripemd-160 8bb9bbfe6ed4f0f66caf3cfbdb3cba40b77eb17f

20790721 as geometric shapes

Circle

Radius = n
Diameter 41581442
Circumference 130631952.71287
Area 1.3579662412692E+15

Sphere

Radius = n
Volume 3.7644129666197E+22
Surface area 5.431864965077E+15
Circumference 130631952.71287

Square

Length = n
Perimeter 83162884
Area 432254079699841
Diagonal 29402519.609715

Cube

Length = n
Surface area 2593524478199046
Volume 8.9868739721512E+21
Space diagonal 36010585.097989

Equilateral Triangle

Length = n
Perimeter 62372163
Area 1.8717150695476E+14
Altitude 18005292.548995

Triangular Pyramid

Length = n
Surface area 1.8717150695476E+14
Volume 1.0591132545628E+21
Height 9800839.869905