20797990 (number)

20797990 is an even 8-digits composite number following 20797989 and preceding 20797991. In scientific notation, it is written as 2.0797990 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 8274880 positive integers (up to 20797990) that are relatively prime to 20797990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0797990 × 10^7
Engineering notation 2.0797990 × 10^6

Prime Factorization of 20797990

Prime Factorization 2 × 5 × 191 × 10889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20797990
Product of the distinct prime numbers

The prime factorization of 20797990 is 2 × 5 × 191 × 10889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 4, 76, 444, 139, 7892, 2350, 65742, 19918, 782568, 149466, 627203, 2990771, 28587349, 99412596, 266236526, 323740029, 5755682310, 9739495226

Basic calculations (n = 20797990)

Multiplication

n×y
n×2 41595980
n×3 62393970
n×4 83191960
n×5 103989950

Division

n÷y
n÷2 10398995
n÷3 6932663.3333333
n÷3 5199497.5
n÷5 4159598

Exponentiation

ny
n2 432556388040100
n3 8.9963034328941E+21
n4 1.871050288343E+29
n5 3.8914085186454E+36

Nth Root

y√n
2√n 4560.4813342453
3√n 275.00491451272
4√n 67.531335942993
5√n 29.080660949733

Divisors of 20797990

1, 2, 5, 10, 191, 382, 955, 1910, 10889, 21778, 54445, 108890, 2079799, 4159598, 10398995, 20797990

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 -20797989
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 20797990 can be divided by 16 positive divisors. The sum of these divisors (counting 20797990) is 1, the average is 0.0625.

Base conversion 20797990

Base System Value
2 Binary 1001111010101101000100110
3 Ternary 1110010122110221
4 Quaternary 1033111220212
5 Quinary 20311013430
6 Senary 2021434554
8 Octal 117255046
10 Decimal 20797990
12 Duodecimal 6b6ba5a
16 Hexadecimal 13d5a26
20 Vigesimal 69jeja
36 Base36 cdrty

Cryptographic Hash Functions

md5 5e76424359a4fb6e8fce289af6e992b6
sha1 ec494aca29a251e2fe4e5f35ccd080d85d71857a
sha256 3be32d2bb97bca640575bfb1428719c0a54c35d722b39c0b1f795ed3e74609c2
sha512 15a00970f8d62d1958d3c228ddb52e742c3cddf5b2b0aad558de42aaea6ffce3f93d3e49d2667042284904986ba64da389585643e0af9fb8111b00155f606a91
ripemd-160 c0636d2c725d923cea8ad367d8d4ef0ac969a02a

20797990 as geometric shapes

Circle

Radius = n
Diameter 41595980
Circumference 130677625.18687
Area 1.3589159709301E+15

Sphere

Radius = n
Volume 3.7683627698993E+22
Surface area 5.4356638837205E+15
Circumference 130677625.18687

Square

Length = n
Perimeter 83191960
Area 432556388040100
Diagonal 29412799.5281

Cube

Length = n
Surface area 2595338328240600
Volume 8.9963034328941E+21
Space diagonal 36023175.375309

Equilateral Triangle

Length = n
Perimeter 62393970
Area 1.8730241030598E+14
Altitude 18011587.687655

Triangular Pyramid

Length = n
Surface area 1.8730241030598E+14
Volume 1.0602245271685E+21
Height 9804266.5093667