20105687 (number)

20105687 is an odd 8-digits composite number following 20105686 and preceding 20105688. In scientific notation, it is written as 2.0105687 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 17213112 positive integers (up to 20105687) that are relatively prime to 20105687.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0105687 × 10^7
Engineering notation 2.0105687 × 10^6

Prime Factorization of 20105687

Prime Factorization 7 × 1667 × 1723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20105687
Product of the distinct prime numbers

The prime factorization of 20105687 is 7 × 1667 × 1723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105687)

Multiplication

n×y
n×2 40211374
n×3 60317061
n×4 80422748
n×5 100528435

Division

n÷y
n÷2 10052843.5
n÷3 6701895.6666667
n÷3 5026421.75
n÷5 4021137.4

Exponentiation

ny
n2 404238649741969
n3 8.1274957650147E+21
n4 1.6340888594521E+29
n5 3.2854479138331E+36

Nth Root

y√n
2√n 4483.9365517367
3√n 271.91905301038
4√n 66.962202411037
5√n 28.884428788412

Divisors of 20105687

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 -20105686
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 20105687 can be divided by 8 positive divisors. The sum of these divisors (counting 20105687) is 1, the average is 0.125.

Base conversion 20105687

Base System Value
2 Binary 1001100101100100111010111
3 Ternary 1101211110211002
4 Quaternary 1030230213113
5 Quinary 20121340222
6 Senary 1554533515
8 Octal 114544727
10 Decimal 20105687
12 Duodecimal 689729b
16 Hexadecimal 132c9d7
20 Vigesimal 65d447
36 Base36 byxnb

Cryptographic Hash Functions

md5 7080973beb91d7b52a53f78c30467f54
sha1 e478c0d2c6995eb84268db2951d39540edf0e91a
sha256 a956bf3fd1e53b57346927998e46b92ff29a66ef48fc81540bf5f3ed17cc6bfc
sha512 74f2594ca8effb4394a40121c88702521779cfa089b2941ddcd2a50a11f66e682efb2b0e66c1312bb240a5edac4089d681f0a53aeee30514de887d0c95463bd8
ripemd-160 97cf9e41aad43208594234e1af34f5f0857fcdf3

20105687 as geometric shapes

Circle

Radius = n
Diameter 40211374
Circumference 126327757.14915
Area 1.2699531723264E+15

Sphere

Radius = n
Volume 3.4044374649936E+22
Surface area 5.0798126893057E+15
Circumference 126327757.14915

Square

Length = n
Perimeter 80422748
Area 404238649741969
Diagonal 28433735.236228

Cube

Length = n
Surface area 2425431898451814
Volume 8.1274957650147E+21
Space diagonal 34824071.405077

Equilateral Triangle

Length = n
Perimeter 60317061
Area 1.7504046993403E+14
Altitude 17412035.702539

Triangular Pyramid

Length = n
Surface area 1.7504046993403E+14
Volume 9.5783456158447E+20
Height 9477911.7454095