20145481 (number)

20145481 is an odd 8-digits composite number following 20145480 and preceding 20145482. In scientific notation, it is written as 2.0145481 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20034000 positive integers (up to 20145481) that are relatively prime to 20145481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145481 × 10^7
Engineering notation 2.0145481 × 10^6

Prime Factorization of 20145481

Prime Factorization 181 × 111301

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145481
Product of the distinct prime numbers

The prime factorization of 20145481 is 181 × 111301. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145481)

Multiplication

n×y
n×2 40290962
n×3 60436443
n×4 80581924
n×5 100727405

Division

n÷y
n÷2 10072740.5
n÷3 6715160.3333333
n÷3 5036370.25
n÷5 4029096.2

Exponentiation

ny
n2 405840404721361
n3 8.1758501623465E+21
n4 1.647064341044E+29
n5 3.3180903388279E+36

Nth Root

y√n
2√n 4488.3717537655
3√n 272.09833256247
4√n 66.995311431215
5√n 28.895853596141

Divisors of 20145481

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 -20145480
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 20145481 can be divided by 4 positive divisors. The sum of these divisors (counting 20145481) is 1, the average is 0.25.

Base conversion 20145481

Base System Value
2 Binary 1001100110110010101001001
3 Ternary 1101220111101221
4 Quaternary 1030312111021
5 Quinary 20124123411
6 Senary 1555442041
8 Octal 114662511
10 Decimal 20145481
12 Duodecimal 68b6321
16 Hexadecimal 1336549
20 Vigesimal 65i3e1
36 Base36 bzscp

Cryptographic Hash Functions

md5 ccb0821d3fc18e1be5b57330d57bbd2f
sha1 a635bf899a88cdb401b47dae3fd23e2a1eaf0121
sha256 f5cae5be70a89f5637e9c6e302a2ffbfe18770afe0e966c7fc976de092d522b6
sha512 a84861776553b2f226c136e5970c964dca33372e3e1a2c25108cd810e9264ac90301461155645ae8ef3997cd3cb9de2060bf9882c7401f929ccf85a80535082d
ripemd-160 67d3d33e808ca5d80088eb40605b498e8e65bc25

20145481 as geometric shapes

Circle

Radius = n
Diameter 40290962
Circumference 126577790.22527
Area 1.2749852340025E+15

Sphere

Radius = n
Volume 3.4246921075838E+22
Surface area 5.0999409360101E+15
Circumference 126577790.22527

Square

Length = n
Perimeter 80581924
Area 405840404721361
Diagonal 28490012.45073

Cube

Length = n
Surface area 2435042428328166
Volume 8.1758501623465E+21
Space diagonal 34892996.634913

Equilateral Triangle

Length = n
Perimeter 60436443
Area 1.7573405018543E+14
Altitude 17446498.317457

Triangular Pyramid

Length = n
Surface area 1.7573405018543E+14
Volume 9.6353318196006E+20
Height 9496670.8169098