20142945 (number)

20142945 is an odd 8-digits composite number following 20142944 and preceding 20142946. In scientific notation, it is written as 2.0142945 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10176192 positive integers (up to 20142945) that are relatively prime to 20142945.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-two thousand nine hundred forty-five

Notation

Scientific notation 2.0142945 × 10^7
Engineering notation 2.0142945 × 10^6

Prime Factorization of 20142945

Prime Factorization 9 × 95 × 3 × 7853

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20142945
Product of the distinct prime numbers

The prime factorization of 20142945 is 9 × 95 × 3 × 7853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 10, 8, 860, 925, 8489, 1352, 33490, 36291, 486794, 696072, 963858, 206624, 79441277, 15211183, 350411449, 635885884, 2464542203, 6616382707

Basic calculations (n = 20142945)

Multiplication

n×y
n×2 40285890
n×3 60428835
n×4 80571780
n×5 100714725

Division

n÷y
n÷2 10071472.5
n÷3 6714315
n÷3 5035736.25
n÷5 4028589

Exponentiation

ny
n2 405738233273025
n3 8.1727629172157E+21
n4 1.6462351393952E+29
n5 3.3160023869904E+36

Nth Root

y√n
2√n 4488.0892370807
3√n 272.08691444628
4√n 66.993202917018
5√n 28.89512605258

Divisors of 20142945

1, 3, 9, 27, 95, 285, 855, 2565, 7853, 23559, 70677, 212031, 746035, 2238105, 6714315, 20142945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20142944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20142945 can be divided by 16 positive divisors. The sum of these divisors (counting 20142945) is 1, the average is 0.0625.

Base conversion 20142945

Base System Value
2 Binary 1001100110101101101100001
3 Ternary 1101220100221000
4 Quaternary 1030311231201
5 Quinary 20124033240
6 Senary 1555422213
8 Octal 114655541
10 Decimal 20142945
12 Duodecimal 68b4969
16 Hexadecimal 1335b61
20 Vigesimal 65hh75
36 Base36 bzqe9

Cryptographic Hash Functions

md5 282de310fb7378b185bd15018fa1ec9a
sha1 47d46a63680e0075a17293e268c5e122dc9509af
sha256 3b0900e16fc2c74356bd0af6baf9ee7a2fe0033a5606f6fd72613daae895f69e
sha512 2903f45f1e25fa9f5c4813a78689efc216d3d8e3111df0df8e7cb08a00a5a28a5e9ff3eae848672137ae438080a724cbac6e003903b9f48a83cfc01d31b2558d
ripemd-160 29bb8c402232feaf5477c6c750eb5f9c7c1a63f8

20142945 as geometric shapes

Circle

Radius = n
Diameter 40285890
Circumference 126561856.06733
Area 1.274664252931E+15

Sphere

Radius = n
Volume 3.4233989253675E+22
Surface area 5.0986570117241E+15
Circumference 126561856.06733

Square

Length = n
Perimeter 80571780
Area 405738233273025
Diagonal 28486426.005135

Cube

Length = n
Surface area 2434429399638150
Volume 8.1727629172157E+21
Space diagonal 34888604.154065

Equilateral Triangle

Length = n
Perimeter 60428835
Area 1.7568980865053E+14
Altitude 17444302.077033

Triangular Pyramid

Length = n
Surface area 1.7568980865053E+14
Volume 9.631693466322E+20
Height 9495475.3350451