20145982 (number)

20145982 is an even 8-digits composite number following 20145981 and preceding 20145983. In scientific notation, it is written as 2.0145982 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9637920 positive integers (up to 20145982) that are relatively prime to 20145982.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145982 × 10^7
Engineering notation 2.0145982 × 10^6

Prime Factorization of 20145982

Prime Factorization 2 × 61 × 37 × 4463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145982
Product of the distinct prime numbers

The prime factorization of 20145982 is 2 × 61 × 37 × 4463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145982)

Multiplication

n×y
n×2 40291964
n×3 60437946
n×4 80583928
n×5 100729910

Division

n÷y
n÷2 10072991
n÷3 6715327.3333333
n÷3 5036495.5
n÷5 4029196.4

Exponentiation

ny
n2 405860590744324
n3 8.1764601556445E+21
n4 1.6472281911933E+29
n5 3.3185029489673E+36

Nth Root

y√n
2√n 4488.4275643036
3√n 272.10058815741
4√n 66.995727955621
5√n 28.895997317491

Divisors of 20145982

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 -20145981
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 20145982 can be divided by 16 positive divisors. The sum of these divisors (counting 20145982) is 1, the average is 0.0625.

Base conversion 20145982

Base System Value
2 Binary 1001100110110011100111110
3 Ternary 1101220112002111
4 Quaternary 1030312130332
5 Quinary 20124132412
6 Senary 1555444234
8 Octal 114663476
10 Decimal 20145982
12 Duodecimal 68b667a
16 Hexadecimal 133673e
20 Vigesimal 65i4j2
36 Base36 bzsqm

Cryptographic Hash Functions

md5 e72f0408c6824adce125353100d9e962
sha1 3833eb374646d2e3a844663578d5efeb52700cfb
sha256 029c6ebb1784c42c17b213bfa978c766a6203141996de0b0a4594af29a26cfb5
sha512 7a4d8cb8acc18ce3cc59626ed3f640741791e34ae63281b7f33e7a3fd517264f538fca3597d5e444667c32df1dc78324bd33c3808efe3cc9a39961d98d8c2b8f
ripemd-160 714eff1d7abca1f8d7f3bfb76caa02a6068be662

20145982 as geometric shapes

Circle

Radius = n
Diameter 40291964
Circumference 126580938.1011
Area 1.275048650264E+15

Sphere

Radius = n
Volume 3.424947620979E+22
Surface area 5.1001946010559E+15
Circumference 126580938.1011

Square

Length = n
Perimeter 80583928
Area 405860590744324
Diagonal 28490720.971724

Cube

Length = n
Surface area 2435163544465944
Volume 8.1764601556445E+21
Space diagonal 34893864.392368

Equilateral Triangle

Length = n
Perimeter 60437946
Area 1.7574279098977E+14
Altitude 17446932.196184

Triangular Pyramid

Length = n
Surface area 1.7574279098977E+14
Volume 9.6360507035964E+20
Height 9496906.9905748