20003987 (number)

20003987 is an odd 8-digits composite number following 20003986 and preceding 20003988. In scientific notation, it is written as 2.0003987 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19538736 positive integers (up to 20003987) that are relatively prime to 20003987.

Interesting facts

Basic properties

Name

Name twenty million three thousand nine hundred eighty-seven

Notation

Scientific notation 2.0003987 × 10^7
Engineering notation 2.0003987 × 10^6

Prime Factorization of 20003987

Prime Factorization 43 × 465209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20003987
Product of the distinct prime numbers

The prime factorization of 20003987 is 43 × 465209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20003987)

Multiplication

n×y
n×2 40007974
n×3 60011961
n×4 80015948
n×5 100019935

Division

n÷y
n÷2 10001993.5
n÷3 6667995.6666667
n÷3 5000996.75
n÷5 4000797.4

Exponentiation

ny
n2 400159495896169
n3 8.0047853538335E+21
n4 1.6012762215588E+29
n5 3.2031908719471E+36

Nth Root

y√n
2√n 4472.5816929375
3√n 271.45979776611
4√n 66.877363083016
5√n 28.855148435327

Divisors of 20003987

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 -20003986
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 20003987 can be divided by 4 positive divisors. The sum of these divisors (counting 20003987) is 1, the average is 0.25.

Base conversion 20003987

Base System Value
2 Binary 1001100010011110010010011
3 Ternary 1101122022022102
4 Quaternary 1030103302103
5 Quinary 20110111422
6 Senary 1552431015
8 Octal 114236223
10 Decimal 20003987
12 Duodecimal 684846b
16 Hexadecimal 1313c93
20 Vigesimal 6509j7
36 Base36 bwr6b

Cryptographic Hash Functions

md5 2b3dc86f5ae64c5470edfa41a4b3cbcf
sha1 41221986d48952c61e4b073599621afe1a699199
sha256 b593c214ceb83d5f8236acf2bbc32f281b70d3f014ae01f86cf1ae4a01050d76
sha512 15dc83b863bc778b95683ac23255a8842b16e71739c598a943f67d98e6ef8bdcecf36766062b4455f042af9937c0ddf9d126012e313c4fa955296df94f5b8dac
ripemd-160 0416225be04cf83c2a850716134d3429c0723646

20003987 as geometric shapes

Circle

Radius = n
Diameter 40007974
Circumference 125688757.20341
Area 1.2571381325716E+15

Sphere

Radius = n
Volume 3.3530366481555E+22
Surface area 5.0285525302864E+15
Circumference 125688757.20341

Square

Length = n
Perimeter 80015948
Area 400159495896169
Diagonal 28289909.716935

Cube

Length = n
Surface area 2400956975377014
Volume 8.0047853538335E+21
Space diagonal 34647921.837947

Equilateral Triangle

Length = n
Perimeter 60011961
Area 1.7327414450583E+14
Altitude 17323960.918974

Triangular Pyramid

Length = n
Surface area 1.7327414450583E+14
Volume 9.4337300093974E+20
Height 9429969.905645