20126987 (number)

20126987 is an odd 8-digits composite number following 20126986 and preceding 20126988. In scientific notation, it is written as 2.0126987 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20061960 positive integers (up to 20126987) that are relatively prime to 20126987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0126987 × 10^7
Engineering notation 2.0126987 × 10^6

Prime Factorization of 20126987

Prime Factorization 311 × 64717

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20126987
Product of the distinct prime numbers

The prime factorization of 20126987 is 311 × 64717. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20126987)

Multiplication

n×y
n×2 40253974
n×3 60380961
n×4 80507948
n×5 100634935

Division

n÷y
n÷2 10063493.5
n÷3 6708995.6666667
n÷3 5031746.75
n÷5 4025397.4

Exponentiation

ny
n2 405095605698169
n3 8.1533539896442E+21
n4 1.6410244975597E+29
n5 3.3028878729065E+36

Nth Root

y√n
2√n 4486.3110681271
3√n 272.01504296129
4√n 66.979930338327
5√n 28.890546239509

Divisors of 20126987

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 -20126986
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 20126987 can be divided by 4 positive divisors. The sum of these divisors (counting 20126987) is 1, the average is 0.25.

Base conversion 20126987

Base System Value
2 Binary 1001100110001110100001011
3 Ternary 1101212120000222
4 Quaternary 1030301310023
5 Quinary 20123030422
6 Senary 1555220255
8 Octal 114616413
10 Decimal 20126987
12 Duodecimal 68a768b
16 Hexadecimal 1331d0b
20 Vigesimal 65fh97
36 Base36 bze2z

Cryptographic Hash Functions

md5 4c114d08a437d9263cc9399af850800b
sha1 76aeabafcb11de668b51af36a0fe4401a9d6782d
sha256 60b72c93ffb319d666dffabaf52e02583c2500715091c0d6c34986222c4d1c55
sha512 af35738683dfbfe27c25f6973c7869a141185ea4c6a03b9889991752555a80303cb1d9ec2193d2ce7ba05c25b84dcfba4d0919905e2bc1cb2681468630f08b4d
ripemd-160 8e6d7c9546e7a2c66173913d84c1f12948380d38

20126987 as geometric shapes

Circle

Radius = n
Diameter 40253974
Circumference 126461588.99619
Area 1.2726453788629E+15

Sphere

Radius = n
Volume 3.4152689327978E+22
Surface area 5.0905815154515E+15
Circumference 126461588.99619

Square

Length = n
Perimeter 80507948
Area 405095605698169
Diagonal 28463857.985107

Cube

Length = n
Surface area 2430573634189014
Volume 8.1533539896442E+21
Space diagonal 34860964.087278

Equilateral Triangle

Length = n
Perimeter 60380961
Area 1.7541154274803E+14
Altitude 17430482.043639

Triangular Pyramid

Length = n
Surface area 1.7541154274803E+14
Volume 9.6088198258196E+20
Height 9487952.6617023