20081587 (number)

20081587 is an odd 8-digits prime number following 20081586 and preceding 20081588. In scientific notation, it is written as 2.0081587 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 20081586 positive integers (up to 20081587) that are relatively prime to 20081587.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081587 × 10^7
Engineering notation 2.0081587 × 10^6

Prime Factorization of 20081587

Prime Factorization 20081587

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20081587
Product of the distinct prime numbers

The prime factorization of 20081587 is 20081587. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081587)

Multiplication

n×y
n×2 40163174
n×3 60244761
n×4 80326348
n×5 100407935

Division

n÷y
n÷2 10040793.5
n÷3 6693862.3333333
n÷3 5020396.75
n÷5 4016317.4

Exponentiation

ny
n2 403270136438569
n3 8.098304329393E+21
n4 1.6262680294318E+29
n5 3.2658042918354E+36

Nth Root

y√n
2√n 4481.248375174
3√n 271.81036287861
4√n 66.942127058931
5√n 28.877500910368

Divisors of 20081587

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20081588
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10040794
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4481.2484867501
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999004063
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081587 can be divided by 2 positive divisors. The sum of these divisors (counting 20081587) is 20081588, the average is 10040794.

Base conversion 20081587

Base System Value
2 Binary 1001100100110101110110011
3 Ternary 1101210020202111
4 Quaternary 1030212232303
5 Quinary 20120102322
6 Senary 1554230151
8 Octal 114465663
10 Decimal 20081587
12 Duodecimal 6885357
16 Hexadecimal 1326bb3
20 Vigesimal 65a3j7
36 Base36 byf1v

Cryptographic Hash Functions

md5 12e0cc002f3cdad8aac56d0774ef1a29
sha1 d894043e4b73334177964ecd243a63fa0202c0ec
sha256 e7f4f2cb67f400227f079b93dae49a9a8024f247ad1ee6116b03a633c8c06a70
sha512 18059337cd5df56cb3eb1f46127371148da01db448a7d857960536852d18315586280127c8690cd2405657d5dd8ac546d8ac921082f4906d8325bc46f9e8257f
ripemd-160 ef9a9107fce5e6c16495a3d14933f47621f76d35

20081587 as geometric shapes

Circle

Radius = n
Diameter 40163174
Circumference 126176332.38325
Area 1.2669104980476E+15

Sphere

Radius = n
Volume 3.3922097850341E+22
Surface area 5.0676419921902E+15
Circumference 126176332.38325

Square

Length = n
Perimeter 80326348
Area 403270136438569
Diagonal 28399652.689375

Cube

Length = n
Surface area 2419620818631414
Volume 8.098304329393E+21
Space diagonal 34782328.980615

Equilateral Triangle

Length = n
Perimeter 60244761
Area 1.7462109137171E+14
Altitude 17391164.490307

Triangular Pyramid

Length = n
Surface area 1.7462109137171E+14
Volume 9.5439431790436E+20
Height 9466550.8964584