20087945 (number)

20087945 is an odd 8-digits composite number following 20087944 and preceding 20087946. In scientific notation, it is written as 2.0087945 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 16070352 positive integers (up to 20087945) that are relatively prime to 20087945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0087945 × 10^7
Engineering notation 2.0087945 × 10^6

Prime Factorization of 20087945

Prime Factorization 5 × 4017589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20087945
Product of the distinct prime numbers

The prime factorization of 20087945 is 5 × 4017589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20087945)

Multiplication

n×y
n×2 40175890
n×3 60263835
n×4 80351780
n×5 100439725

Division

n÷y
n÷2 10043972.5
n÷3 6695981.6666667
n÷3 5021986.25
n÷5 4017589

Exponentiation

ny
n2 403525534323025
n3 8.1059987395765E+21
n4 1.6283285685068E+29
n5 3.2709774726094E+36

Nth Root

y√n
2√n 4481.9577195685
3√n 271.83904567038
4√n 66.947425040613
5√n 28.879329250958

Divisors of 20087945

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 -20087944
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 20087945 can be divided by 4 positive divisors. The sum of these divisors (counting 20087945) is 1, the average is 0.25.

Base conversion 20087945

Base System Value
2 Binary 1001100101000010010001001
3 Ternary 1101210120110222
4 Quaternary 1030220102021
5 Quinary 20120303240
6 Senary 1554315425
8 Octal 114502211
10 Decimal 20087945
12 Duodecimal 6888b75
16 Hexadecimal 1328489
20 Vigesimal 65ajh5
36 Base36 byjyh

Cryptographic Hash Functions

md5 b9fd5280ee465f05000883c7a59d74dc
sha1 1e302ab8a1507d73f4a11dd1958891bcd5345fcd
sha256 43a70e34aad65ce852c76d94cf7048604da9791155a93a384dadb2cfa7c9ae12
sha512 38ce68e91d6773c3186a25491711191b29fb1e3c98946a5990dbc642aaea15e592ebd0c4f676e62c8c9e092217a35d958fe797c7d4b9cafcc94e94da6918ba33
ripemd-160 06424bc831dda3d2ca16dd4b78f87be7c56b352a

20087945 as geometric shapes

Circle

Radius = n
Diameter 40175890
Circumference 126216280.87543
Area 1.2677128541651E+15

Sphere

Radius = n
Volume 3.3954328120349E+22
Surface area 5.0708514166604E+15
Circumference 126216280.87543

Square

Length = n
Perimeter 80351780
Area 403525534323025
Diagonal 28408644.259205

Cube

Length = n
Surface area 2421153205938150
Volume 8.1059987395765E+21
Space diagonal 34793341.359649

Equilateral Triangle

Length = n
Perimeter 60263835
Area 1.7473168189971E+14
Altitude 17396670.679825

Triangular Pyramid

Length = n
Surface area 1.7473168189971E+14
Volume 9.553011128407E+20
Height 9469548.0864016