20372987 (number)

20372987 is an odd 8-digits composite number following 20372986 and preceding 20372988. In scientific notation, it is written as 2.0372987 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19174560 positive integers (up to 20372987) that are relatively prime to 20372987.

Interesting facts

Basic properties

Name

Name twenty million three hundred seventy-two thousand nine hundred eighty-seven

Notation

Scientific notation 2.0372987 × 10^7
Engineering notation 2.0372987 × 10^6

Prime Factorization of 20372987

Prime Factorization 17 × 1198411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20372987
Product of the distinct prime numbers

The prime factorization of 20372987 is 17 × 1198411. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20372987)

Multiplication

n×y
n×2 40745974
n×3 61118961
n×4 81491948
n×5 101864935

Division

n÷y
n÷2 10186493.5
n÷3 6790995.6666667
n÷3 5093246.75
n÷5 4074597.4

Exponentiation

ny
n2 415058599302169
n3 8.4559834478213E+21
n4 1.7227364085468E+29
n5 3.509728645575E+36

Nth Root

y√n
2√n 4513.6445362922
3√n 273.11878348308
4√n 67.183662718641
5√n 28.960825818203

Divisors of 20372987

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 -20372986
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 20372987 can be divided by 4 positive divisors. The sum of these divisors (counting 20372987) is 1, the average is 0.25.

Base conversion 20372987

Base System Value
2 Binary 1001101101101110111111011
3 Ternary 1102100001111002
4 Quaternary 1031231313323
5 Quinary 20203413422
6 Senary 2004355215
8 Octal 115556773
10 Decimal 20372987
12 Duodecimal 69a5b0b
16 Hexadecimal 136ddfb
20 Vigesimal 676c97
36 Base36 c4nwb

Cryptographic Hash Functions

md5 a3fc1b44cfb9acb8bda7e0550f1299f3
sha1 d6e80808b195b1e57524af9706ccf72c4c071920
sha256 6fe2031637576c633e716fccb6d86a1e0bda38fe27ef0f0a5ff402540e6008d0
sha512 7f213895b6f529c03c2fafa4ba490b7763a7e102e2269533c5a5da179b4b60061bec6e9987ce93af14f7bbb430e0e1851c323691bffe46989ec4ffa6b0cd886c
ripemd-160 8028aa20922faeae75400171c1049304d91de0c4

20372987 as geometric shapes

Circle

Radius = n
Diameter 40745974
Circumference 128007252.58176
Area 1.303945046377E+15

Sphere

Radius = n
Volume 3.542034063807E+22
Surface area 5.2157801855079E+15
Circumference 128007252.58176

Square

Length = n
Perimeter 81491948
Area 415058599302169
Diagonal 28811754.521451

Cube

Length = n
Surface area 2490351595813014
Volume 8.4559834478213E+21
Space diagonal 35287048.58594

Equilateral Triangle

Length = n
Perimeter 61118961
Area 1.7972564552743E+14
Altitude 17643524.29297

Triangular Pyramid

Length = n
Surface area 1.7972564552743E+14
Volume 9.9654720625927E+20
Height 9603918.1738169