20145042 (number)

20145042 is an even 8-digits composite number following 20145041 and preceding 20145043. In scientific notation, it is written as 2.0145042 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 6715008 positive integers (up to 20145042) that are relatively prime to 20145042.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145042 × 10^7
Engineering notation 2.0145042 × 10^6

Prime Factorization of 20145042

Prime Factorization 2 × 9 × 1119169

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145042
Product of the distinct prime numbers

The prime factorization of 20145042 is 2 × 9 × 1119169. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145042)

Multiplication

n×y
n×2 40290084
n×3 60435126
n×4 80580168
n×5 100725210

Division

n÷y
n÷2 10072521
n÷3 6715014
n÷3 5036260.5
n÷5 4029008.4

Exponentiation

ny
n2 405822717181764
n3 8.1753156821808E+21
n4 1.6469207778079E+29
n5 3.3177288239613E+36

Nth Root

y√n
2√n 4488.3228493503
3√n 272.0963560723
4√n 66.994946446357
5√n 28.895727658316

Divisors of 20145042

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 -20145041
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 20145042 can be divided by 8 positive divisors. The sum of these divisors (counting 20145042) is 1, the average is 0.125.

Base conversion 20145042

Base System Value
2 Binary 1001100110110001110010010
3 Ternary 1101220110210200
4 Quaternary 1030312032102
5 Quinary 20124120132
6 Senary 1555440030
8 Octal 114661622
10 Decimal 20145042
12 Duodecimal 68b6016
16 Hexadecimal 1336392
20 Vigesimal 65i2c2
36 Base36 bzs0i

Cryptographic Hash Functions

md5 78092873ac0f80c7d3267254cb08e208
sha1 3bbfac4cec1999a339e878da06f0c15de6d85d4a
sha256 6e2908792b8bec76cabd0e3dbb2755972ebcecfeab58526eb60492e90d0d5083
sha512 d73804872ffd189daac6aeff5b86549e8ffa177c5b1d2253f31c281fc3a671904f62366efc7ffb4c295ae4013eb523a9345f91f56ae06b08e574b942bb7065d4
ripemd-160 12bc32328f75d84c796f2be82e1cea490c1f528e

20145042 as geometric shapes

Circle

Radius = n
Diameter 40290084
Circumference 126575031.90692
Area 1.2749296669581E+15

Sphere

Radius = n
Volume 3.4244682250555E+22
Surface area 5.0997186678323E+15
Circumference 126575031.90692

Square

Length = n
Perimeter 80580168
Area 405822717181764
Diagonal 28489391.610976

Cube

Length = n
Surface area 2434936303090584
Volume 8.1753156821808E+21
Space diagonal 34892236.264609

Equilateral Triangle

Length = n
Perimeter 60435126
Area 1.7572639125612E+14
Altitude 17446118.132304

Triangular Pyramid

Length = n
Surface area 1.7572639125612E+14
Volume 9.6347019286846E+20
Height 9496463.8703252