20146945 (number)

20146945 is an odd 8-digits composite number following 20146944 and preceding 20146946. In scientific notation, it is written as 2.0146945 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 12752064 positive integers (up to 20146945) that are relatively prime to 20146945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0146945 × 10^7
Engineering notation 2.0146945 × 10^6

Prime Factorization of 20146945

Prime Factorization 35 × 13 × 44279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20146945
Product of the distinct prime numbers

The prime factorization of 20146945 is 35 × 13 × 44279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20146945)

Multiplication

n×y
n×2 40293890
n×3 60440835
n×4 80587780
n×5 100734725

Division

n÷y
n÷2 10073472.5
n÷3 6715648.3333333
n÷3 5036736.25
n÷5 4029389

Exponentiation

ny
n2 405899392833025
n3 8.1776327429403E+21
n4 1.6475431710222E+29
n5 3.319296165171E+36

Nth Root

y√n
2√n 4488.5348388979
3√n 272.10492365702
4√n 66.996528558559
5√n 28.896273564272

Divisors of 20146945

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 -20146944
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 20146945 can be divided by 8 positive divisors. The sum of these divisors (counting 20146945) is 1, the average is 0.125.

Base conversion 20146945

Base System Value
2 Binary 1001100110110101100000001
3 Ternary 1101220120102011
4 Quaternary 1030312230001
5 Quinary 20124200240
6 Senary 1555452521
8 Octal 114665401
10 Decimal 20146945
12 Duodecimal 68b7141
16 Hexadecimal 1336b01
20 Vigesimal 65i775
36 Base36 bzthd

Cryptographic Hash Functions

md5 bf1544509cdb98fc7f350e95aee6d5c1
sha1 cdc20e349f697f72975786d784b71b0a86a4c4e0
sha256 86d72390d08b47cd3f17ee45c28f79660d70c5ad26a8a208db860a81c153c7a9
sha512 560cc961af74e186f3670f2f83ebf7e77930482ffc534951164e3ece101f6a2b43e9d95cce9590b5250891c55e464eab8e123be1268614e068f81758ef6551cf
ripemd-160 9db131ca0f4a6dc71cec61cd5c580abf0e7b796f

20146945 as geometric shapes

Circle

Radius = n
Diameter 40293890
Circumference 126586988.80856
Area 1.2751705506208E+15

Sphere

Radius = n
Volume 3.4254387931969E+22
Surface area 5.1006822024832E+15
Circumference 126586988.80856

Square

Length = n
Perimeter 80587780
Area 405899392833025
Diagonal 28492082.859385

Cube

Length = n
Surface area 2435396356998150
Volume 8.1776327429403E+21
Space diagonal 34895532.357296

Equilateral Triangle

Length = n
Perimeter 60440835
Area 1.7575959278704E+14
Altitude 17447766.178648

Triangular Pyramid

Length = n
Surface area 1.7575959278704E+14
Volume 9.6374326109771E+20
Height 9497360.9531283