20130987 (number)

20130987 is an odd 8-digits composite number following 20130986 and preceding 20130988. In scientific notation, it is written as 2.0130987 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13420656 positive integers (up to 20130987) that are relatively prime to 20130987.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand nine hundred eighty-seven

Notation

Scientific notation 2.0130987 × 10^7
Engineering notation 2.0130987 × 10^6

Prime Factorization of 20130987

Prime Factorization 3 × 6710329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20130987
Product of the distinct prime numbers

The prime factorization of 20130987 is 3 × 6710329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20130987)

Multiplication

n×y
n×2 40261974
n×3 60392961
n×4 80523948
n×5 100654935

Division

n÷y
n÷2 10065493.5
n÷3 6710329
n÷3 5032746.75
n÷5 4026197.4

Exponentiation

ny
n2 405256637594169
n3 8.1582161030719E+21
n4 1.6423294231413E+29
n5 3.3061712266975E+36

Nth Root

y√n
2√n 4486.7568465429
3√n 272.03306168908
4√n 66.983257957067
5√n 28.891694478929

Divisors of 20130987

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 -20130986
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 20130987 can be divided by 4 positive divisors. The sum of these divisors (counting 20130987) is 1, the average is 0.25.

Base conversion 20130987

Base System Value
2 Binary 1001100110010110010101011
3 Ternary 1101212202112010
4 Quaternary 1030302302223
5 Quinary 20123142422
6 Senary 1555251003
8 Octal 114626253
10 Decimal 20130987
12 Duodecimal 68a9a63
16 Hexadecimal 1332cab
20 Vigesimal 65g797
36 Base36 bzh63

Cryptographic Hash Functions

md5 08dfc48a764b7c5ecaa56858989bb62b
sha1 25d60cc7cf754eb02d389b218d8838aa92bfb4ea
sha256 c0aea004e23df04849cefa7aa0f44dcfea6cea1c472b899703f83d02922fbb27
sha512 1569a99852604966aaa663e1fd48755aaadf182f29a7eba8c364b646d7dac816c9cb9f0a9f5b7a1fbc81d2167e3323ddfea25f4793f345d69373267fade0060a
ripemd-160 0258b0e360d97377fe45c7ac5d393c393d64513d

20130987 as geometric shapes

Circle

Radius = n
Diameter 40261974
Circumference 126486721.73742
Area 1.2731512754843E+15

Sphere

Radius = n
Volume 3.4173055701078E+22
Surface area 5.0926051019374E+15
Circumference 126486721.73742

Square

Length = n
Perimeter 80523948
Area 405256637594169
Diagonal 28469514.839356

Cube

Length = n
Surface area 2431539825565014
Volume 8.1582161030719E+21
Space diagonal 34867892.290509

Equilateral Triangle

Length = n
Perimeter 60392961
Area 1.7548127160441E+14
Altitude 17433946.145254

Triangular Pyramid

Length = n
Surface area 1.7548127160441E+14
Volume 9.6145498814457E+20
Height 9489838.2797855