20791979 (number)

20791979 is an odd 8-digits composite number following 20791978 and preceding 20791980. In scientific notation, it is written as 2.0791979 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 18573120 positive integers (up to 20791979) that are relatively prime to 20791979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0791979 × 10^7
Engineering notation 2.0791979 × 10^6

Prime Factorization of 20791979

Prime Factorization 13 × 31 × 51593

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20791979
Product of the distinct prime numbers

The prime factorization of 20791979 is 13 × 31 × 51593. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20791979)

Multiplication

n×y
n×2 41583958
n×3 62375937
n×4 83167916
n×5 103959895

Division

n÷y
n÷2 10395989.5
n÷3 6930659.6666667
n÷3 5197994.75
n÷5 4158395.8

Exponentiation

ny
n2 432306390736441
n3 8.9885053977579E+21
n4 1.8688881547157E+29
n5 3.8857883266197E+36

Nth Root

y√n
2√n 4559.8222553078
3√n 274.97841814102
4√n 67.526455965849
5√n 29.078979786649

Divisors of 20791979

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 -20791978
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 20791979 can be divided by 8 positive divisors. The sum of these divisors (counting 20791979) is 1, the average is 0.125.

Base conversion 20791979

Base System Value
2 Binary 1001111010100001010101011
3 Ternary 1110010100020022
4 Quaternary 1033110022223
5 Quinary 20310320404
6 Senary 2021351055
8 Octal 117241253
10 Decimal 20791979
12 Duodecimal 6b6848b
16 Hexadecimal 13d42ab
20 Vigesimal 69ijij
36 Base36 cdn6z

Cryptographic Hash Functions

md5 687d0cf7e0e36901e865c71a9c94f96f
sha1 db33707ea835db01e6a1ebd13700263db367c27f
sha256 3f23ddd9d011997be490a2bc2b22dfaa5d937f5cd06b6b6493c3e9b44ec4679b
sha512 5464abe142140cc88d8220d8c5b184af00c3c5c740bf265822929a17258cefae5eb3d90c3d7bd13f1069c90432387c87e2af8daecb23b8aa128f2582efcef620
ripemd-160 34bdf912208c3fa08fb45ecf40c6c10db27a4bec

20791979 as geometric shapes

Circle

Radius = n
Diameter 41583958
Circumference 130639856.95999
Area 1.3581305812375E+15

Sphere

Radius = n
Volume 3.7650963365798E+22
Surface area 5.4325223249501E+15
Circumference 130639856.95999

Square

Length = n
Perimeter 83167916
Area 432306390736441
Diagonal 29404298.690377

Cube

Length = n
Surface area 2593838344418646
Volume 8.9885053977579E+21
Space diagonal 36012764.017905

Equilateral Triangle

Length = n
Perimeter 62375937
Area 1.8719415829806E+14
Altitude 18006382.008953

Triangular Pyramid

Length = n
Surface area 1.8719415829806E+14
Volume 1.0593055199144E+21
Height 9801432.8967922