20145423 (number)

20145423 is an odd 8-digits composite number following 20145422 and preceding 20145424. In scientific notation, it is written as 2.0145423 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13430280 positive integers (up to 20145423) that are relatively prime to 20145423.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand four hundred twenty-three

Notation

Scientific notation 2.0145423 × 10^7
Engineering notation 2.0145423 × 10^6

Prime Factorization of 20145423

Prime Factorization 3 × 6715141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145423
Product of the distinct prime numbers

The prime factorization of 20145423 is 3 × 6715141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145423)

Multiplication

n×y
n×2 40290846
n×3 60436269
n×4 80581692
n×5 100727115

Division

n÷y
n÷2 10072711.5
n÷3 6715141
n÷3 5036355.75
n÷5 4029084.6

Exponentiation

ny
n2 405838067848929
n3 8.1757795463194E+21
n4 1.6470453731535E+29
n5 3.318042574237E+36

Nth Root

y√n
2√n 4488.3652926205
3√n 272.0980714333
4√n 66.995263210323
5√n 28.895836957557

Divisors of 20145423

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145422
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145423 can be divided by 4 positive divisors. The sum of these divisors (counting 20145423) is 1, the average is 0.25.

Base conversion 20145423

Base System Value
2 Binary 1001100110110010100001111
3 Ternary 1101220111022210
4 Quaternary 1030312110033
5 Quinary 20124123143
6 Senary 1555441503
8 Octal 114662417
10 Decimal 20145423
12 Duodecimal 68b6293
16 Hexadecimal 133650f
20 Vigesimal 65i3b3
36 Base36 bzsb3

Cryptographic Hash Functions

md5 3755003edd142a943d4ccc7af9e547f5
sha1 4fb458303c0eca28e21bbcee1eedf8ae46137675
sha256 ba7f11ae871df62f64deb650bd5e8e91e9e58fd32216d24fb83220257f85f7d6
sha512 ce6e16172382602abccd04443071969c4ce5a94849bc97777432b74f0ecf99427f742609ef0f1416a8801c1590dc737945a05c27ae06447394cbb489ce753655
ripemd-160 63d29f2aa114f90d1b70d66b17337056f63664e1

20145423 as geometric shapes

Circle

Radius = n
Diameter 40290846
Circumference 126577425.80052
Area 1.2749778925013E+15

Sphere

Radius = n
Volume 3.4246625280116E+22
Surface area 5.0999115700051E+15
Circumference 126577425.80052

Square

Length = n
Perimeter 80581692
Area 405838067848929
Diagonal 28489930.426343

Cube

Length = n
Surface area 2435028407093574
Volume 8.1757795463194E+21
Space diagonal 34892896.175967

Equilateral Triangle

Length = n
Perimeter 60436269
Area 1.7573303828998E+14
Altitude 17446448.087983

Triangular Pyramid

Length = n
Surface area 1.7573303828998E+14
Volume 9.6352485978145E+20
Height 9496643.4754476