20797681 (number)

20797681 is an odd 8-digits composite number following 20797680 and preceding 20797682. In scientific notation, it is written as 2.0797681 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 18273024 positive integers (up to 20797681) that are relatively prime to 20797681.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0797681 × 10^7
Engineering notation 2.0797681 × 10^6

Prime Factorization of 20797681

Prime Factorization 23 × 17 × 43 × 1237

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20797681
Product of the distinct prime numbers

The prime factorization of 20797681 is 23 × 17 × 43 × 1237. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20797681)

Multiplication

n×y
n×2 41595362
n×3 62393043
n×4 83190724
n×5 103988405

Division

n÷y
n÷2 10398840.5
n÷3 6932560.3333333
n÷3 5199420.25
n÷5 4159536.2

Exponentiation

ny
n2 432543534977761
n3 8.9959024590798E+21
n4 1.8709390965106E+29
n5 3.8911194499655E+36

Nth Root

y√n
2√n 4560.4474561166
3√n 275.00355257119
4√n 67.53108510987
5√n 29.080574537751

Divisors of 20797681

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20797680
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20797681 can be divided by 16 positive divisors. The sum of these divisors (counting 20797681) is 1, the average is 0.0625.

Base conversion 20797681

Base System Value
2 Binary 1001111010101100011110001
3 Ternary 1110010122001111
4 Quaternary 1033111203301
5 Quinary 20311011211
6 Senary 2021433321
8 Octal 117254361
10 Decimal 20797681
12 Duodecimal 6b6b841
16 Hexadecimal 13d58f1
20 Vigesimal 69je41
36 Base36 cdrld

Cryptographic Hash Functions

md5 5274e37cbe652ae9f573a699937582a6
sha1 4f568f5f9759c795a6006da3d74506933512c13f
sha256 303c1bdb1c224844ab40bb4da9237cdcc39239db8132e9e107f83cf7c459030a
sha512 d760d38507293cf9332544f436cd81c5f2529715e5a55c42bc251aa2988ac391ca7caf2573127e40141e2015565e336f97b285b14671f9233cb8156a7537c309
ripemd-160 367faebb221a12c2663e53ecec177a31a806c74f

20797681 as geometric shapes

Circle

Radius = n
Diameter 41595362
Circumference 130675683.68261
Area 1.3588755918439E+15

Sphere

Radius = n
Volume 3.7681948103807E+22
Surface area 5.4355023673756E+15
Circumference 130675683.68261

Square

Length = n
Perimeter 83190724
Area 432543534977761
Diagonal 29412362.536109

Cube

Length = n
Surface area 2595261209866566
Volume 8.9959024590798E+21
Space diagonal 36022640.17161

Equilateral Triangle

Length = n
Perimeter 62393043
Area 1.8729684476673E+14
Altitude 18011320.085805

Triangular Pyramid

Length = n
Surface area 1.8729684476673E+14
Volume 1.0601772719513E+21
Height 9804120.8453697