20045987 (number)

20045987 is an odd 8-digits composite number following 20045986 and preceding 20045988. In scientific notation, it is written as 2.0045987 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 18503976 positive integers (up to 20045987) that are relatively prime to 20045987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0045987 × 10^7
Engineering notation 2.0045987 × 10^6

Prime Factorization of 20045987

Prime Factorization 13 × 1541999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20045987
Product of the distinct prime numbers

The prime factorization of 20045987 is 13 × 1541999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20045987)

Multiplication

n×y
n×2 40091974
n×3 60137961
n×4 80183948
n×5 100229935

Division

n÷y
n÷2 10022993.5
n÷3 6681995.6666667
n÷3 5011496.75
n÷5 4009197.4

Exponentiation

ny
n2 401841594804169
n3 8.0553113855036E+21
n4 1.6147666731476E+29
n5 3.236959173795E+36

Nth Root

y√n
2√n 4477.274505768
3√n 271.64964894383
4√n 66.912439095941
5√n 28.867255018958

Divisors of 20045987

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 -20045986
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 20045987 can be divided by 4 positive divisors. The sum of these divisors (counting 20045987) is 1, the average is 0.25.

Base conversion 20045987

Base System Value
2 Binary 1001100011110000010100011
3 Ternary 1101201102220222
4 Quaternary 1030132002203
5 Quinary 20112432422
6 Senary 1553353255
8 Octal 114360243
10 Decimal 20045987
12 Duodecimal 686882b
16 Hexadecimal 131e0a3
20 Vigesimal 655ej7
36 Base36 bxnkz

Cryptographic Hash Functions

md5 547923103341b6543c45fbb756842521
sha1 14bca971e036cafa3ccf34c29bef6235e80f079f
sha256 10862786a0ef155bac385d5f5bcf3bf2416d92a42a113a264863d8b61d4d4002
sha512 13e2f79efe2f6fde5a16dd70f76fcf08e49b71e2e15f90175dd955cfaa4836f5c6af9107a16f643a3c3d5dc9ac9ea47f25d20a2deb0b8806ac3b670139275271
ripemd-160 42fd81a6c36c9b9c2973e43ededb959ffba1d92d

20045987 as geometric shapes

Circle

Radius = n
Diameter 40091974
Circumference 125952650.98631
Area 1.2624226021436E+15

Sphere

Radius = n
Volume 3.3742009428102E+22
Surface area 5.0496904085743E+15
Circumference 125952650.98631

Square

Length = n
Perimeter 80183948
Area 401841594804169
Diagonal 28349306.686555

Cube

Length = n
Surface area 2411049568825014
Volume 8.0553113855036E+21
Space diagonal 34720667.971865

Equilateral Triangle

Length = n
Perimeter 60137961
Area 1.7400251469883E+14
Altitude 17360333.985933

Triangular Pyramid

Length = n
Surface area 1.7400251469883E+14
Volume 9.4932755087647E+20
Height 9449768.8955183