20197985 (number)

20197985 is an odd 8-digits composite number following 20197984 and preceding 20197986. In scientific notation, it is written as 2.0197985 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 16158384 positive integers (up to 20197985) that are relatively prime to 20197985.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-seven thousand nine hundred eighty-five

Notation

Scientific notation 2.0197985 × 10^7
Engineering notation 2.0197985 × 10^6

Prime Factorization of 20197985

Prime Factorization 5 × 4039597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20197985
Product of the distinct prime numbers

The prime factorization of 20197985 is 5 × 4039597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20197985)

Multiplication

n×y
n×2 40395970
n×3 60593955
n×4 80791940
n×5 100989925

Division

n÷y
n÷2 10098992.5
n÷3 6732661.6666667
n÷3 5049496.25
n÷5 4039597

Exponentiation

ny
n2 407958598060225
n3 8.2399416442415E+21
n4 1.6643021773126E+29
n5 3.3615550412828E+36

Nth Root

y√n
2√n 4494.2168394505
3√n 272.33451220742
4√n 67.038920333269
5√n 28.910899836478

Divisors of 20197985

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 -20197984
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 20197985 can be divided by 4 positive divisors. The sum of these divisors (counting 20197985) is 1, the average is 0.25.

Base conversion 20197985

Base System Value
2 Binary 1001101000011001001100001
3 Ternary 1102000011102112
4 Quaternary 1031003021201
5 Quinary 20132313420
6 Senary 2000525105
8 Octal 115031141
10 Decimal 20197985
12 Duodecimal 6920795
16 Hexadecimal 1343261
20 Vigesimal 664ej5
36 Base36 c0wv5

Cryptographic Hash Functions

md5 6651ffd99ac18050068cb587a8400110
sha1 5bc0192ea39ded7ae6c4d61bcaa85943327c9a9e
sha256 88d0e17b6c67a1d9da3cdf1071365ef13578e84c68aab3cb405bb764ff31a90e
sha512 c41815ea9cf129b0e84ba6cbcb81c82e79cd48eb37a030529c44f4f7781f198293c7abbbd1e988e9aa7b0d6a88cb51f9562962e28c35b37d87d55ea7e74ebb27
ripemd-160 0b0875d2317ae2f1bef4970e0134ea43882b57c6

20197985 as geometric shapes

Circle

Radius = n
Diameter 40395970
Circumference 126907682.58663
Area 1.2816397346348E+15

Sphere

Radius = n
Volume 3.451538684741E+22
Surface area 5.1265589385392E+15
Circumference 126907682.58663

Square

Length = n
Perimeter 80791940
Area 407958598060225
Diagonal 28564264.319608

Cube

Length = n
Surface area 2447751588361350
Volume 8.2399416442415E+21
Space diagonal 34983936.230514

Equilateral Triangle

Length = n
Perimeter 60593955
Area 1.7665125480622E+14
Altitude 17491968.115257

Triangular Pyramid

Length = n
Surface area 1.7665125480622E+14
Volume 9.7108643553743E+20
Height 9521421.4398694