20142745 (number)

20142745 is an odd 8-digits composite number following 20142744 and preceding 20142746. In scientific notation, it is written as 2.0142745 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 13769280 positive integers (up to 20142745) that are relatively prime to 20142745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0142745 × 10^7
Engineering notation 2.0142745 × 10^6

Prime Factorization of 20142745

Prime Factorization 35 × 421 × 1367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20142745
Product of the distinct prime numbers

The prime factorization of 20142745 is 35 × 421 × 1367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20142745)

Multiplication

n×y
n×2 40285490
n×3 60428235
n×4 80570980
n×5 100713725

Division

n÷y
n÷2 10071372.5
n÷3 6714248.3333333
n÷3 5035686.25
n÷5 4028549

Exponentiation

ny
n2 405730176135025
n3 8.1725194766929E+21
n4 1.6461697582656E+29
n5 3.3158377667455E+36

Nth Root

y√n
2√n 4488.0669558285
3√n 272.08601392316
4√n 66.99303662194
5√n 28.89506867221

Divisors of 20142745

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 -20142744
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 20142745 can be divided by 8 positive divisors. The sum of these divisors (counting 20142745) is 1, the average is 0.125.

Base conversion 20142745

Base System Value
2 Binary 1001100110101101010011001
3 Ternary 1101220100122121
4 Quaternary 1030311222121
5 Quinary 20124031440
6 Senary 1555421241
8 Octal 114655231
10 Decimal 20142745
12 Duodecimal 68b4821
16 Hexadecimal 1335a99
20 Vigesimal 65hgh5
36 Base36 bzq8p

Cryptographic Hash Functions

md5 0435ec53f47f09d8ad81792a4d7231f8
sha1 541909c6cd15ab52ad5969883d836d60d9a91506
sha256 e54dad22c77fe742df5c3822bd6781a390e220e78f8945057c8c33b15e2654ec
sha512 52324d77e12b5c6c39cd6c3712c097ab12274a0f9821daee74ee28c1c0334eb3f04e0cdc0f00e5248c8fc3eb6233c34b5e923be4b6267ca00dc931dcc43741ee
ripemd-160 69124a1cd2871cc648b054c14b91158e7fdfba10

20142745 as geometric shapes

Circle

Radius = n
Diameter 40285490
Circumference 126560599.43027
Area 1.2746389406855E+15

Sphere

Radius = n
Volume 3.4232969532397E+22
Surface area 5.0985557627419E+15
Circumference 126560599.43027

Square

Length = n
Perimeter 80570980
Area 405730176135025
Diagonal 28486143.162423

Cube

Length = n
Surface area 2434381056810150
Volume 8.1725194766929E+21
Space diagonal 34888257.743904

Equilateral Triangle

Length = n
Perimeter 60428235
Area 1.7568631980743E+14
Altitude 17444128.871952

Triangular Pyramid

Length = n
Surface area 1.7568631980743E+14
Volume 9.6314065689145E+20
Height 9495381.0541409