20687571 (number)

20687571 is an odd 8-digits composite number following 20687570 and preceding 20687572. In scientific notation, it is written as 2.0687571 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13346640 positive integers (up to 20687571) that are relatively prime to 20687571.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687571 × 10^7
Engineering notation 2.0687571 × 10^6

Prime Factorization of 20687571

Prime Factorization 279 × 74149

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20687571
Product of the distinct prime numbers

The prime factorization of 20687571 is 279 × 74149. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687571)

Multiplication

n×y
n×2 41375142
n×3 62062713
n×4 82750284
n×5 103437855

Division

n÷y
n÷2 10343785.5
n÷3 6895857
n÷3 5171892.75
n÷5 4137514.2

Exponentiation

ny
n2 427975593880041
n3 8.8537754846605E+21
n4 1.8316310895697E+29
n5 3.7891998211281E+36

Nth Root

y√n
2√n 4548.3591546842
3√n 274.51737276453
4√n 67.441523964723
5√n 29.049716628104

Divisors of 20687571

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 -20687570
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 20687571 can be divided by 4 positive divisors. The sum of these divisors (counting 20687571) is 1, the average is 0.25.

Base conversion 20687571

Base System Value
2 Binary 1001110111010101011010011
3 Ternary 1102221001000100
4 Quaternary 1032322223103
5 Quinary 20244000241
6 Senary 2015223443
8 Octal 116725323
10 Decimal 20687571
12 Duodecimal 6b17b83
16 Hexadecimal 13baad3
20 Vigesimal 695iib
36 Base36 cbemr

Cryptographic Hash Functions

md5 5c5c8debc687cac2671b6dcc89ab0572
sha1 69d9dd8d54a6d340e8b18008bac4cb3a891a0a1c
sha256 4859003682ea696f7cb0e4b17ca408bbefd27252f2a0c509b90fce566e21c6d6
sha512 80580376f7e65c6f368a4cec2207f80472e287f885f7b3d195f18b0892964674ec0db5cf0f4bfb0975529d53712850aed055b2449ff0249eca71fae3c8c3e03d
ripemd-160 39972997c2ffe04ba051687c5ac7bca6bbffb991

20687571 as geometric shapes

Circle

Radius = n
Diameter 41375142
Circumference 129983842.14843
Area 1.3445249816493E+15

Sphere

Radius = n
Volume 3.7086608025524E+22
Surface area 5.3780999265971E+15
Circumference 129983842.14843

Square

Length = n
Perimeter 82750284
Area 427975593880041
Diagonal 29256643.480756

Cube

Length = n
Surface area 2567853563280246
Volume 8.8537754846605E+21
Space diagonal 35831924.057188

Equilateral Triangle

Length = n
Perimeter 62062713
Area 1.8531886824992E+14
Altitude 17915962.028594

Triangular Pyramid

Length = n
Surface area 1.8531886824992E+14
Volume 1.0434274473844E+21
Height 9752214.4935854