20145123 (number)

20145123 is an odd 8-digits composite number following 20145122 and preceding 20145124. In scientific notation, it is written as 2.0145123 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 13430076 positive integers (up to 20145123) that are relatively prime to 20145123.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145123 × 10^7
Engineering notation 2.0145123 × 10^6

Prime Factorization of 20145123

Prime Factorization 9 × 2238347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145123
Product of the distinct prime numbers

The prime factorization of 20145123 is 9 × 2238347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145123)

Multiplication

n×y
n×2 40290246
n×3 60435369
n×4 80580492
n×5 100725615

Division

n÷y
n÷2 10072561.5
n÷3 6715041
n÷3 5036280.75
n÷5 4029024.6

Exponentiation

ny
n2 405825980685129
n3 8.1754142974975E+21
n4 1.6469472659905E+29
n5 3.3177955247892E+36

Nth Root

y√n
2√n 4488.3318727563
3√n 272.09672075716
4√n 66.995013790254
5√n 28.895750895301

Divisors of 20145123

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 -20145122
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 20145123 can be divided by 4 positive divisors. The sum of these divisors (counting 20145123) is 1, the average is 0.25.

Base conversion 20145123

Base System Value
2 Binary 1001100110110001111100011
3 Ternary 1101220110220200
4 Quaternary 1030312033203
5 Quinary 20124120443
6 Senary 1555440243
8 Octal 114661743
10 Decimal 20145123
12 Duodecimal 68b6083
16 Hexadecimal 13363e3
20 Vigesimal 65i2g3
36 Base36 bzs2r

Cryptographic Hash Functions

md5 838237d6442bba5f09c23e8ca46a988d
sha1 a8ecc1515ec0a257772d9c6416aa142c826e5f94
sha256 c23a39c397e9bf4eeb8a57a27fa7b00370b39044cfe204ebff34556af374e6b7
sha512 d87f395ada5e80ceed3cabb94ec2f303a16aba13b89f9e064818108cec960b4ce02ff54d3be4c728e297aab2816bf31c5ece8c1e0a2a405e4504ef31edce104c
ripemd-160 e90975b94003a539578f11e410cb09cc175d57ce

20145123 as geometric shapes

Circle

Radius = n
Diameter 40290246
Circumference 126575540.84493
Area 1.2749399195563E+15

Sphere

Radius = n
Volume 3.4245095329428E+22
Surface area 5.0997596782251E+15
Circumference 126575540.84493

Square

Length = n
Perimeter 80580492
Area 405825980685129
Diagonal 28489506.162274

Cube

Length = n
Surface area 2434955884110774
Volume 8.1754142974975E+21
Space diagonal 34892376.560724

Equilateral Triangle

Length = n
Perimeter 60435369
Area 1.7572780439453E+14
Altitude 17446188.280362

Triangular Pyramid

Length = n
Surface area 1.7572780439453E+14
Volume 9.63481814795E+20
Height 9496502.0540914