20987066 (number)

20987066 is an even 8-digits composite number following 20987065 and preceding 20987067. In scientific notation, it is written as 2.0987066 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10209888 positive integers (up to 20987066) that are relatively prime to 20987066.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0987066 × 10^7
Engineering notation 2.0987066 × 10^6

Prime Factorization of 20987066

Prime Factorization 2 × 37 × 283609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20987066
Product of the distinct prime numbers

The prime factorization of 20987066 is 2 × 37 × 283609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20987066)

Multiplication

n×y
n×2 41974132
n×3 62961198
n×4 83948264
n×5 104935330

Division

n÷y
n÷2 10493533
n÷3 6995688.6666667
n÷3 5246766.5
n÷5 4197413.2

Exponentiation

ny
n2 440456939288356
n3 9.2438988550027E+21
n4 1.9400231536727E+29
n5 4.0715393967656E+36

Nth Root

y√n
2√n 4581.1642624992
3√n 275.83576485435
4√n 67.684298493072
5√n 29.133344585862

Divisors of 20987066

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20987065
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20987066 can be divided by 8 positive divisors. The sum of these divisors (counting 20987066) is 1, the average is 0.125.

Base conversion 20987066

Base System Value
2 Binary 1010000000011110010111010
3 Ternary 1110111020211202
4 Quaternary 1100003302322
5 Quinary 20333041231
6 Senary 2025454202
8 Octal 120036272
10 Decimal 20987066
12 Duodecimal 7041362
16 Hexadecimal 1403cba
20 Vigesimal 6b37d6
36 Base36 chtq2

Cryptographic Hash Functions

md5 a571a514756280853f083ff6fa4139ba
sha1 74bbc596578c91cab73c2c333d8227df7ad42d1d
sha256 3f6d2421f5bba2d08cabd0a6d61848867ec32a0a7fb74841f63a1b781ec32581
sha512 ee8739f10262c82d3db282e020797d3e8ed59d83c40688fe230177eaec006748b6df780612ef48c75eec5990cc554b439c2af079117c3f74398c86745e16dd55
ripemd-160 a30be257664fea90183f4f593b993c3744252332

20987066 as geometric shapes

Circle

Radius = n
Diameter 41974132
Circumference 131865624.73201
Area 1.3837362846909E+15

Sphere

Radius = n
Volume 3.8720752977872E+22
Surface area 5.5349451387638E+15
Circumference 131865624.73201

Square

Length = n
Perimeter 83948264
Area 440456939288356
Diagonal 29680193.371619

Cube

Length = n
Surface area 2642741635730136
Volume 9.2438988550027E+21
Space diagonal 36350664.613801

Equilateral Triangle

Length = n
Perimeter 62961198
Area 1.9072344934843E+14
Altitude 18175332.306901

Triangular Pyramid

Length = n
Surface area 1.9072344934843E+14
Volume 1.0894039274958E+21
Height 9893397.7905398