20145686 (number)

20145686 is an even 8-digits composite number following 20145685 and preceding 20145687. In scientific notation, it is written as 2.0145686 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8909280 positive integers (up to 20145686) that are relatively prime to 20145686.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145686 × 10^7
Engineering notation 2.0145686 × 10^6

Prime Factorization of 20145686

Prime Factorization 2 × 407 × 24749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145686
Product of the distinct prime numbers

The prime factorization of 20145686 is 2 × 407 × 24749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145686)

Multiplication

n×y
n×2 40291372
n×3 60437058
n×4 80582744
n×5 100728430

Division

n÷y
n÷2 10072843
n÷3 6715228.6666667
n÷3 5036421.5
n÷5 4029137.2

Exponentiation

ny
n2 405848664410596
n3 8.1760997567352E+21
n4 1.6471313840386E+29
n5 3.3182591663588E+36

Nth Root

y√n
2√n 4488.3945904967
3√n 272.09925551502
4√n 66.995481866292
5√n 28.895912404624

Divisors of 20145686

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 -20145685
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 20145686 can be divided by 8 positive divisors. The sum of these divisors (counting 20145686) is 1, the average is 0.125.

Base conversion 20145686

Base System Value
2 Binary 1001100110110011000010110
3 Ternary 1101220111200112
4 Quaternary 1030312120112
5 Quinary 20124130221
6 Senary 1555443022
8 Octal 114663026
10 Decimal 20145686
12 Duodecimal 68b6472
16 Hexadecimal 1336616
20 Vigesimal 65i446
36 Base36 bzsie

Cryptographic Hash Functions

md5 1d8cfca7e28bbfc92630fd3533f3d922
sha1 0866622ffe42f8fb18a951511ece6aeb31bdd843
sha256 e99a59c6149327aa67cd1e16e02ffeca39ca258c2c0768a7cf0a309c835e53de
sha512 5f8d8b1f1775137315e6826803bb1dee3c546c200fbb53614a566362e7c52757c6afa2cbaf8aa3cc8f0f0cf532bab7382ec184c1a74561f83059776c3aedaf5c
ripemd-160 995c77caa579f196d9cef3b3b82206a980dcfb5a

20145686 as geometric shapes

Circle

Radius = n
Diameter 40291372
Circumference 126579078.27825
Area 1.2750111825816E+15

Sphere

Radius = n
Volume 3.4247966574369E+22
Surface area 5.1000447303262E+15
Circumference 126579078.27825

Square

Length = n
Perimeter 80582744
Area 405848664410596
Diagonal 28490302.36451

Cube

Length = n
Surface area 2435091986463576
Volume 8.1760997567352E+21
Space diagonal 34893351.705329

Equilateral Triangle

Length = n
Perimeter 60437058
Area 1.7573762673578E+14
Altitude 17446675.852665

Triangular Pyramid

Length = n
Surface area 1.7573762673578E+14
Volume 9.6356259694086E+20
Height 9496767.4548366