20145390 (number)

20145390 is an even 8-digits composite number following 20145389 and preceding 20145391. In scientific notation, it is written as 2.0145390 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 5226624 positive integers (up to 20145390) that are relatively prime to 20145390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145390 × 10^7
Engineering notation 2.0145390 × 10^6

Prime Factorization of 20145390

Prime Factorization 2 × 3 × 5 × 37 × 18149

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20145390
Product of the distinct prime numbers

The prime factorization of 20145390 is 2 × 3 × 5 × 37 × 18149. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 94, 4, 322, 542, 7832, 8675, 40841, 93687, 778007, 68667, 9431625, 6629290, 76096175, 38628281, 498963180, 610213037, 1111262724, 3144967510

Basic calculations (n = 20145390)

Multiplication

n×y
n×2 40290780
n×3 60436170
n×4 80581560
n×5 100726950

Division

n÷y
n÷2 10072695
n÷3 6715130
n÷3 5036347.5
n÷5 4029078

Exponentiation

ny
n2 405836738252100
n3 8.1757393684165E+21
n4 1.647034581151E+29
n5 3.3180153980774E+36

Nth Root

y√n
2√n 4488.3616164476
3√n 272.09792285958
4√n 66.995235774252
5√n 28.895827490759

Divisors of 20145390

1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18149, 36298, 54447, 90745, 108894, 181490, 272235, 544470, 671513, 1343026, 2014539, 3357565, 4029078, 6715130, 10072695, 20145390

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145390 can be divided by 32 positive divisors. The sum of these divisors (counting 20145390) is 1, the average is 0.03125.

Base conversion 20145390

Base System Value
2 Binary 1001100110110010011101110
3 Ternary 1101220111021120
4 Quaternary 1030312103232
5 Quinary 20124123030
6 Senary 1555441410
8 Octal 114662356
10 Decimal 20145390
12 Duodecimal 68b6266
16 Hexadecimal 13364ee
20 Vigesimal 65i39a
36 Base36 bzsa6

Cryptographic Hash Functions

md5 d60ccf08156e5a8120d9938e751ebd12
sha1 88a3142e6fd1427ae2cfca911eb2e2e3145fad12
sha256 dda3c818ce0fd8ac6a06fb4feebcb75a5a2e04f0d0700a80089244a4ad151fb8
sha512 13ec13dc76772bd20b75759c83793dbf4b0e4d1e8b1ffec4a15cde12934d3ef90cbe5268faf45c5743643778735efbedb31fe871350dabeda78e3427d48b821d
ripemd-160 c72e65e49894ace93de453ab9fbc330a24eb2373

20145390 as geometric shapes

Circle

Radius = n
Diameter 40290780
Circumference 126577218.4554
Area 1.2749737154496E+15

Sphere

Radius = n
Volume 3.4246456983309E+22
Surface area 5.0998948617986E+15
Circumference 126577218.4554

Square

Length = n
Perimeter 80581560
Area 405836738252100
Diagonal 28489883.757295

Cube

Length = n
Surface area 2435020429512600
Volume 8.1757393684165E+21
Space diagonal 34892839.01829

Equilateral Triangle

Length = n
Perimeter 60436170
Area 1.7573246255767E+14
Altitude 17446419.509145

Triangular Pyramid

Length = n
Surface area 1.7573246255767E+14
Volume 9.6352012477018E+20
Height 9496627.9190984