20797791 (number)

20797791 is an odd 8-digits composite number following 20797790 and preceding 20797792. In scientific notation, it is written as 2.0797791 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 11884440 positive integers (up to 20797791) that are relatively prime to 20797791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0797791 × 10^7
Engineering notation 2.0797791 × 10^6

Prime Factorization of 20797791

Prime Factorization 21 × 990371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20797791
Product of the distinct prime numbers

The prime factorization of 20797791 is 21 × 990371. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20797791)

Multiplication

n×y
n×2 41595582
n×3 62393373
n×4 83191164
n×5 103988955

Division

n÷y
n÷2 10398895.5
n÷3 6932597
n÷3 5199447.75
n÷5 4159558.2

Exponentiation

ny
n2 432548110479681
n3 8.9960451992013E+21
n4 1.8709786787954E+29
n5 3.8912223527043E+36

Nth Root

y√n
2√n 4560.4595163207
3√n 275.00403740629
4√n 67.531174403535
5√n 29.080605299416

Divisors of 20797791

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 -20797790
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 20797791 can be divided by 4 positive divisors. The sum of these divisors (counting 20797791) is 1, the average is 0.25.

Base conversion 20797791

Base System Value
2 Binary 1001111010101100101011111
3 Ternary 1110010122012120
4 Quaternary 1033111211133
5 Quinary 20311012131
6 Senary 2021434023
8 Octal 117254537
10 Decimal 20797791
12 Duodecimal 6b6b913
16 Hexadecimal 13d595f
20 Vigesimal 69je9b
36 Base36 cdrof

Cryptographic Hash Functions

md5 a37788b27f6ee869c251671111526f31
sha1 680f779ce8952c45d0b41dbb5732cd9ba4e1819c
sha256 b497d99f6ffee3202c9024f6d248c072b26b5d4b2c31fd76758cc1072445ff6c
sha512 df782100a2eb81278254c6ca76697e8070a02c76b3d95505af1c50029d03dd3b2098f766a760c3e82f3284ca93869642d4e54d49d5269cc3c88581c4b7d8555f
ripemd-160 158cb8d15888ab64ab6e19e9ff35dd4170dcc58a

20797791 as geometric shapes

Circle

Radius = n
Diameter 41595582
Circumference 130676374.83299
Area 1.3588899662071E+15

Sphere

Radius = n
Volume 3.768254601223E+22
Surface area 5.4355598648284E+15
Circumference 130676374.83299

Square

Length = n
Perimeter 83191164
Area 432548110479681
Diagonal 29412518.099601

Cube

Length = n
Surface area 2595288662878086
Volume 8.9960451992013E+21
Space diagonal 36022830.697199

Equilateral Triangle

Length = n
Perimeter 62393373
Area 1.8729882601718E+14
Altitude 18011415.348599

Triangular Pyramid

Length = n
Surface area 1.8729882601718E+14
Volume 1.060194094036E+21
Height 9804172.699867