20806689 (number)

20806689 is an odd 8-digits composite number following 20806688 and preceding 20806690. In scientific notation, it is written as 2.0806689 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13703840 positive integers (up to 20806689) that are relatively prime to 20806689.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand six hundred eighty-nine

Notation

Scientific notation 2.0806689 × 10^7
Engineering notation 2.0806689 × 10^6

Prime Factorization of 20806689

Prime Factorization 3 × 83 × 83561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20806689
Product of the distinct prime numbers

The prime factorization of 20806689 is 3 × 83 × 83561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20806689)

Multiplication

n×y
n×2 41613378
n×3 62420067
n×4 83226756
n×5 104033445

Division

n÷y
n÷2 10403344.5
n÷3 6935563
n÷3 5201672.25
n÷5 4161337.8

Exponentiation

ny
n2 432918307142721
n3 9.0075965791251E+21
n4 1.8741826065932E+29
n5 3.8995534624594E+36

Nth Root

y√n
2√n 4561.4349715851
3√n 275.04325049772
4√n 67.538396276379
5√n 29.083093207434

Divisors of 20806689

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 -20806688
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 20806689 can be divided by 8 positive divisors. The sum of these divisors (counting 20806689) is 1, the average is 0.125.

Base conversion 20806689

Base System Value
2 Binary 1001111010111110000100001
3 Ternary 1110011002102010
4 Quaternary 1033113300201
5 Quinary 20311303224
6 Senary 2021543133
8 Octal 117276041
10 Decimal 20806689
12 Duodecimal 6b74aa9
16 Hexadecimal 13d7c21
20 Vigesimal 6a0ge9
36 Base36 cdyjl

Cryptographic Hash Functions

md5 15a128b3c1a5b83c8eb16099945176ec
sha1 8eb3a8159bce27e04c6d4f3d5907f7d5d106947d
sha256 e019c5d60fff28c63f077ecaa72f7accbdf61666968f36815e775b9a2c025938
sha512 c3391ad8f6a94030010611fe6892d022c3f65ed14d3d3dae5fa67892623c06f61b883edab5f87cbe4978afe6425b500868fbb52158260996eb980673ff51c419
ripemd-160 adaba677b940a24586297fe21a7e9aa988961cb3

20806689 as geometric shapes

Circle

Radius = n
Diameter 41613378
Circumference 130732282.61586
Area 1.3600529733241E+15

Sphere

Radius = n
Volume 3.7730932319307E+22
Surface area 5.4402118932964E+15
Circumference 130732282.61586

Square

Length = n
Perimeter 83226756
Area 432918307142721
Diagonal 29425101.771879

Cube

Length = n
Surface area 2597509842856326
Volume 9.0075965791251E+21
Space diagonal 36038242.485284

Equilateral Triangle

Length = n
Perimeter 62420067
Area 1.8745912587448E+14
Altitude 18019121.242642

Triangular Pyramid

Length = n
Surface area 1.8745912587448E+14
Volume 1.0615554372153E+21
Height 9808367.257293