20087985 (number)

20087985 is an odd 8-digits composite number following 20087984 and preceding 20087986. In scientific notation, it is written as 2.0087985 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10713584 positive integers (up to 20087985) that are relatively prime to 20087985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0087985 × 10^7
Engineering notation 2.0087985 × 10^6

Prime Factorization of 20087985

Prime Factorization 3 × 5 × 1339199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20087985
Product of the distinct prime numbers

The prime factorization of 20087985 is 3 × 5 × 1339199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20087985)

Multiplication

n×y
n×2 40175970
n×3 60263955
n×4 80351940
n×5 100439925

Division

n÷y
n÷2 10043992.5
n÷3 6695995
n÷3 5021996.25
n÷5 4017597

Exponentiation

ny
n2 403527141360225
n3 8.1060471627371E+21
n4 1.6283415381435E+29
n5 3.2710100393105E+36

Nth Root

y√n
2√n 4481.962181902
3√n 271.83922610288
4√n 66.947458367753
5√n 28.879340752107

Divisors of 20087985

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 -20087984
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 20087985 can be divided by 8 positive divisors. The sum of these divisors (counting 20087985) is 1, the average is 0.125.

Base conversion 20087985

Base System Value
2 Binary 1001100101000010010110001
3 Ternary 1101210120112110
4 Quaternary 1030220102301
5 Quinary 20120303420
6 Senary 1554315533
8 Octal 114502261
10 Decimal 20087985
12 Duodecimal 6888ba9
16 Hexadecimal 13284b1
20 Vigesimal 65ajj5
36 Base36 byjzl

Cryptographic Hash Functions

md5 b9c0880ba7b67660f5dc7bdd867ce0f8
sha1 e3b8202defa8ca5767996ad3ee8e2ca28e949472
sha256 a3f2ecc1eee13e5b87461e0d596221cf665c7b80a4b7ade7e1bc4a8c884991f8
sha512 079ab10cee7b917fd9ef3e40625755ab786395877c1d886da8b7ba4ff51559e52946364613aa8b74ee2517d5c139d8976a390b79ccf389c7247ebc91fd730903
ripemd-160 784de56dc56fb80aa8e5cee325d7884ff84dba46

20087985 as geometric shapes

Circle

Radius = n
Diameter 40175970
Circumference 126216532.20284
Area 1.2677179028214E+15

Sphere

Radius = n
Volume 3.395453095481E+22
Surface area 5.0708716112855E+15
Circumference 126216532.20284

Square

Length = n
Perimeter 80351940
Area 403527141360225
Diagonal 28408700.827747

Cube

Length = n
Surface area 2421162848161350
Volume 8.1060471627371E+21
Space diagonal 34793410.641681

Equilateral Triangle

Length = n
Perimeter 60263955
Area 1.7473237776723E+14
Altitude 17396705.320841

Triangular Pyramid

Length = n
Surface area 1.7473237776723E+14
Volume 9.5530681956489E+20
Height 9469566.9425824