20145665 (number)

20145665 is an odd 8-digits composite number following 20145664 and preceding 20145666. In scientific notation, it is written as 2.0145665 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16009200 positive integers (up to 20145665) that are relatively prime to 20145665.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145665 × 10^7
Engineering notation 2.0145665 × 10^6

Prime Factorization of 20145665

Prime Factorization 5 × 151 × 26683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145665
Product of the distinct prime numbers

The prime factorization of 20145665 is 5 × 151 × 26683. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145665)

Multiplication

n×y
n×2 40291330
n×3 60436995
n×4 80582660
n×5 100728325

Division

n÷y
n÷2 10072832.5
n÷3 6715221.6666667
n÷3 5036416.25
n÷5 4029133

Exponentiation

ny
n2 405847818292225
n3 8.176074188296E+21
n4 1.6471245161256E+29
n5 3.3182418715153E+36

Nth Root

y√n
2√n 4488.3922511296
3√n 272.09916096895
4√n 66.995464407149
5√n 28.895906380362

Divisors of 20145665

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 -20145664
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 20145665 can be divided by 8 positive divisors. The sum of these divisors (counting 20145665) is 1, the average is 0.125.

Base conversion 20145665

Base System Value
2 Binary 1001100110110011000000001
3 Ternary 1101220111122202
4 Quaternary 1030312120001
5 Quinary 20124130130
6 Senary 1555442545
8 Octal 114663001
10 Decimal 20145665
12 Duodecimal 68b6455
16 Hexadecimal 1336601
20 Vigesimal 65i435
36 Base36 bzsht

Cryptographic Hash Functions

md5 bd86d5b3655f6a5e8a7807d48d0155ef
sha1 75d2ff45dd7344da8fb8674fd4133f8da1d6975b
sha256 d81388be3b6a6b82bf3ff09694d5568f259324f6a35871e02554e8ce03c0cef7
sha512 0a2e8b7b8353225dd97068fe6bacad09f39ee48a24ebde5b39aa160cdd2f86c506e6da4cf990cee92a063603f08b27e82147b8fdcb402c22f641630e207dfa97
ripemd-160 935e577c8f0bb2ee942796e4555e9b9ac1340de7

20145665 as geometric shapes

Circle

Radius = n
Diameter 40291330
Circumference 126578946.33136
Area 1.2750085244223E+15

Sphere

Radius = n
Volume 3.4247859473541E+22
Surface area 5.1000340976892E+15
Circumference 126578946.33136

Square

Length = n
Perimeter 80582660
Area 405847818292225
Diagonal 28490272.666025

Cube

Length = n
Surface area 2435086909753350
Volume 8.176074188296E+21
Space diagonal 34893315.332262

Equilateral Triangle

Length = n
Perimeter 60436995
Area 1.7573726035578E+14
Altitude 17446657.666131

Triangular Pyramid

Length = n
Surface area 1.7573726035578E+14
Volume 9.635595836714E+20
Height 9496757.5553417