20020987 (number)

20020987 is an odd 8-digits composite number following 20020986 and preceding 20020988. In scientific notation, it is written as 2.0020987 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 17160840 positive integers (up to 20020987) that are relatively prime to 20020987.

Interesting facts

Basic properties

Name

Name twenty million twenty thousand nine hundred eighty-seven

Notation

Scientific notation 2.0020987 × 10^7
Engineering notation 2.0020987 × 10^6

Prime Factorization of 20020987

Prime Factorization 7 × 2860141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20020987
Product of the distinct prime numbers

The prime factorization of 20020987 is 7 × 2860141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20020987)

Multiplication

n×y
n×2 40041974
n×3 60062961
n×4 80083948
n×5 100104935

Division

n÷y
n÷2 10010493.5
n÷3 6673662.3333333
n÷3 5005246.75
n÷5 4004197.4

Exponentiation

ny
n2 400839920454169
n3 8.025210836494E+21
n4 1.606726418297E+29
n5 3.2168248733282E+36

Nth Root

y√n
2√n 4474.4817577011
3√n 271.53667427258
4√n 66.891567164338
5√n 28.860051166556

Divisors of 20020987

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 -20020986
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 20020987 can be divided by 4 positive divisors. The sum of these divisors (counting 20020987) is 1, the average is 0.25.

Base conversion 20020987

Base System Value
2 Binary 1001100010111111011111011
3 Ternary 1101200011122001
4 Quaternary 1030113323323
5 Quinary 20111132422
6 Senary 1553041431
8 Octal 114277373
10 Decimal 20020987
12 Duodecimal 6856277
16 Hexadecimal 1317efb
20 Vigesimal 652c97
36 Base36 bx4aj

Cryptographic Hash Functions

md5 b3ea4376ee8181f19746e1ab08e0de9e
sha1 923e80a1488691668111c036124e7bb138792256
sha256 fe9be20ccbca4d14bbdcaa1818e239d2b522d2d21eeb35ae4252cdedf3c71a22
sha512 8d6f3174e4f6c8ef8e6698e2b053ac8e758e4c872950a87f6acbe8e200f1865069b4126aadf486c7e73364ecc5314be90b988c7520d822f942fb066feb036275
ripemd-160 7faf0da6e6d1081e5cf2281980cd78923b535836

20020987 as geometric shapes

Circle

Radius = n
Diameter 40041974
Circumference 125795571.35363
Area 1.2592757493643E+15

Sphere

Radius = n
Volume 3.3615924543251E+22
Surface area 5.0371029974573E+15
Circumference 125795571.35363

Square

Length = n
Perimeter 80083948
Area 400839920454169
Diagonal 28313951.347495

Cube

Length = n
Surface area 2405039522725014
Volume 8.025210836494E+21
Space diagonal 34677366.701676

Equilateral Triangle

Length = n
Perimeter 60062961
Area 1.7356877698212E+14
Altitude 17338683.350838

Triangular Pyramid

Length = n
Surface area 1.7356877698212E+14
Volume 9.4578016715611E+20
Height 9437983.7824985