20587921 (number)

20587921 is an odd 8-digits composite number following 20587920 and preceding 20587922. In scientific notation, it is written as 2.0587921 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19692772 positive integers (up to 20587921) that are relatively prime to 20587921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0587921 × 10^7
Engineering notation 2.0587921 × 10^6

Prime Factorization of 20587921

Prime Factorization 23 × 895127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20587921
Product of the distinct prime numbers

The prime factorization of 20587921 is 23 × 895127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20587921)

Multiplication

n×y
n×2 41175842
n×3 61763763
n×4 82351684
n×5 102939605

Division

n÷y
n÷2 10293960.5
n÷3 6862640.3333333
n÷3 5146980.25
n÷5 4117584.2

Exponentiation

ny
n2 423862491102241
n3 8.7264474816761E+21
n4 1.796594113634E+29
n5 3.6988137680561E+36

Nth Root

y√n
2√n 4537.391431208
3√n 274.07588872424
4√n 67.360162048558
5√n 29.021676622519

Divisors of 20587921

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 -20587920
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 20587921 can be divided by 4 positive divisors. The sum of these divisors (counting 20587921) is 1, the average is 0.25.

Base conversion 20587921

Base System Value
2 Binary 1001110100010010110010001
3 Ternary 1102201222022121
4 Quaternary 1032202112101
5 Quinary 20232303141
6 Senary 2013134241
8 Octal 116422621
10 Decimal 20587921
12 Duodecimal 6a8a381
16 Hexadecimal 13a2591
20 Vigesimal 68d9g1
36 Base36 c99qp

Cryptographic Hash Functions

md5 c0c965bfd131cad6cf3d5a8ea430693b
sha1 92a23e0abf39db5e797e91ff3efd88a5bddc3bac
sha256 500e72c39a30e481ff9ae92768d50cf78e802c3ad9047b0456dfdd70b7f95a46
sha512 062db99469513009bc2f6bdfc69ae51909f9206ce29f744e784fd97a36286b9e853f8c078c417bee1dad0a8577d7df678100b67b1c01df9c88aff33553543165
ripemd-160 1b8af07addd4a195bc93f94ac939c04690d07b9b

20587921 as geometric shapes

Circle

Radius = n
Diameter 41175842
Circumference 129357722.73257
Area 1.3316032881791E+15

Sphere

Radius = n
Volume 3.6553257733828E+22
Surface area 5.3264131527163E+15
Circumference 129357722.73257

Square

Length = n
Perimeter 82351684
Area 423862491102241
Diagonal 29115717.099266

Cube

Length = n
Surface area 2543174946613446
Volume 8.7264474816761E+21
Space diagonal 35659325.194214

Equilateral Triangle

Length = n
Perimeter 61763763
Area 1.8353784250295E+14
Altitude 17829662.597107

Triangular Pyramid

Length = n
Surface area 1.8353784250295E+14
Volume 1.0284216983269E+21
Height 9705239.0330886