20687021 (number)

20687021 is an odd 8-digits composite number following 20687020 and preceding 20687022. In scientific notation, it is written as 2.0687021 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20652000 positive integers (up to 20687021) that are relatively prime to 20687021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687021 × 10^7
Engineering notation 2.0687021 × 10^6

Prime Factorization of 20687021

Prime Factorization 601 × 34421

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20687021
Product of the distinct prime numbers

The prime factorization of 20687021 is 601 × 34421. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687021)

Multiplication

n×y
n×2 41374042
n×3 62061063
n×4 82748084
n×5 103435105

Division

n÷y
n÷2 10343510.5
n÷3 6895673.6666667
n÷3 5171755.25
n÷5 4137404.2

Exponentiation

ny
n2 427952837854441
n3 8.8530693437044E+21
n4 1.8314363142767E+29
n5 3.7886961493605E+36

Nth Root

y√n
2√n 4548.298692918
3√n 274.51493996896
4√n 67.441075709971
5√n 29.049562163241

Divisors of 20687021

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 -20687020
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 20687021 can be divided by 4 positive divisors. The sum of these divisors (counting 20687021) is 1, the average is 0.25.

Base conversion 20687021

Base System Value
2 Binary 1001110111010100010101101
3 Ternary 1102221000020222
4 Quaternary 1032322202231
5 Quinary 20243441041
6 Senary 2015221125
8 Octal 116724255
10 Decimal 20687021
12 Duodecimal 6b177a5
16 Hexadecimal 13ba8ad
20 Vigesimal 695hb1
36 Base36 cbe7h

Cryptographic Hash Functions

md5 898cbceb898121a04a381b7a50c8caca
sha1 4dbfb16340fc667af8f1e64e90852261bdc6e26b
sha256 c3cbc1820a0994a55f0b8e62506dba1b6891a953c359a5e4938bf1e7aa391d46
sha512 bfbf96e013c4c680fe7e5b2ebec44d23b747755da606fa26433848cf9040a84d58eeb03ef47fe7e9d506914db7db3073b20c1a9a144370ae3a72474e1d9e1d6a
ripemd-160 8d1ae14bb77aede3fe0e5a55a798ead9658f55ec

20687021 as geometric shapes

Circle

Radius = n
Diameter 41374042
Circumference 129980386.39652
Area 1.3444534914864E+15

Sphere

Radius = n
Volume 3.7083650149204E+22
Surface area 5.3778139659457E+15
Circumference 129980386.39652

Square

Length = n
Perimeter 82748084
Area 427952837854441
Diagonal 29255865.663297

Cube

Length = n
Surface area 2567717027126646
Volume 8.8530693437044E+21
Space diagonal 35830971.429244

Equilateral Triangle

Length = n
Perimeter 62061063
Area 1.8530901460179E+14
Altitude 17915485.714622

Triangular Pyramid

Length = n
Surface area 1.8530901460179E+14
Volume 1.0433442278747E+21
Height 9751955.221099