20145868 (number)

20145868 is an even 8-digits composite number following 20145867 and preceding 20145869. In scientific notation, it is written as 2.0145868 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10049312 positive integers (up to 20145868) that are relatively prime to 20145868.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eight hundred sixty-eight

Notation

Scientific notation 2.0145868 × 10^7
Engineering notation 2.0145868 × 10^6

Prime Factorization of 20145868

Prime Factorization 2 × 2 × 443 × 11369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10072934
Product of the distinct prime numbers

The prime factorization of 20145868 is 2 × 2 × 443 × 11369. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 17, 48, 865, 540, 9813, 3162, 26411, 29457, 895237, 707005, 8782299, 5453569, 16618811, 40034826, 656437212, 52685062, 1665149879, 2219281631

Basic calculations (n = 20145868)

Multiplication

n×y
n×2 40291736
n×3 60437604
n×4 80583472
n×5 100729340

Division

n÷y
n÷2 10072934
n÷3 6715289.3333333
n÷3 5036467
n÷5 4029173.6

Exponentiation

ny
n2 405855997473424
n3 8.1763213521079E+21
n4 1.6471909068515E+29
n5 3.318409058023E+36

Nth Root

y√n
2√n 4488.4148649607
3√n 272.10007491155
4√n 66.995633178295
5√n 28.895964614681

Divisors of 20145868

1, 2, 4, 443, 886, 1772, 11369, 22738, 45476, 5036467, 10072934, 20145868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145868 can be divided by 12 positive divisors. The sum of these divisors (counting 20145868) is 1, the average is 0.083333333333333.

Base conversion 20145868

Base System Value
2 Binary 1001100110110011011001100
3 Ternary 1101220111221021
4 Quaternary 1030312123030
5 Quinary 20124131433
6 Senary 1555443524
8 Octal 114663314
10 Decimal 20145868
12 Duodecimal 68b65a4
16 Hexadecimal 13366cc
20 Vigesimal 65i4d8
36 Base36 bzsng

Cryptographic Hash Functions

md5 525612996c631b6aa7a84f4240b82354
sha1 d3d13d18339c0a603ee3a55df2f3a18eb6cfc2a0
sha256 ce5ea00800f5cf129571467cf8ef3531e335fde6296868b6d3a15d8920c2d961
sha512 ad94052f38f0c7a096f19363a27ccd99beba5f1b5ebabb3fb0fedaf549d8e1c780071510fa4d965417aeb8af3c54ee3165c9b2b47e5a746240a9e68918736294
ripemd-160 e997f711ecbce6040de5e2859b4225aa2ab91306

20145868 as geometric shapes

Circle

Radius = n
Diameter 40291736
Circumference 126580221.81798
Area 1.2750342200779E+15

Sphere

Radius = n
Volume 3.4248894790896E+22
Surface area 5.1001368803115E+15
Circumference 126580221.81798

Square

Length = n
Perimeter 80583472
Area 405855997473424
Diagonal 28490559.751378

Cube

Length = n
Surface area 2435135984840544
Volume 8.1763213521079E+21
Space diagonal 34893666.938576

Equilateral Triangle

Length = n
Perimeter 60437604
Area 1.7574080204513E+14
Altitude 17446833.469288

Triangular Pyramid

Length = n
Surface area 1.7574080204513E+14
Volume 9.6358871220598E+20
Height 9496853.2504594