20145081 (number)

20145081 is an odd 8-digits composite number following 20145080 and preceding 20145082. In scientific notation, it is written as 2.0145081 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12209120 positive integers (up to 20145081) that are relatively prime to 20145081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145081 × 10^7
Engineering notation 2.0145081 × 10^6

Prime Factorization of 20145081

Prime Factorization 3 × 11 × 610457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145081
Product of the distinct prime numbers

The prime factorization of 20145081 is 3 × 11 × 610457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145081)

Multiplication

n×y
n×2 40290162
n×3 60435243
n×4 80580324
n×5 100725405

Division

n÷y
n÷2 10072540.5
n÷3 6715027
n÷3 5036270.25
n÷5 4029016.2

Exponentiation

ny
n2 405824288496561
n3 8.1753631635306E+21
n4 1.6469335313374E+29
n5 3.3177609390408E+36

Nth Root

y√n
2√n 4488.3271939554
3√n 272.09653166143
4√n 66.994978871222
5√n 28.895738846503

Divisors of 20145081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145081 can be divided by 8 positive divisors. The sum of these divisors (counting 20145081) is 1, the average is 0.125.

Base conversion 20145081

Base System Value
2 Binary 1001100110110001110111001
3 Ternary 1101220110212010
4 Quaternary 1030312032321
5 Quinary 20124120311
6 Senary 1555440133
8 Octal 114661671
10 Decimal 20145081
12 Duodecimal 68b6049
16 Hexadecimal 13363b9
20 Vigesimal 65i2e1
36 Base36 bzs1l

Cryptographic Hash Functions

md5 8c67c50c0868cbd7f59bac92014d6f41
sha1 76bd074da5cc6a642887768821bd255117874260
sha256 2338d5372e1cc7e1a8c671e6220ebf61c07b6fd0626c47414796d269daea7ec5
sha512 58f3113bfdfa378a193e41f05415d9bc7749f8ebbcc6c8c6b34effe803894ba482a8386b08442ee22077730fb3afbce3dd5d14e2dbcbc6a9cdc7f1fc0b95e123
ripemd-160 d443a98a392dea40629ae2e823fca0cafdefa545

20145081 as geometric shapes

Circle

Radius = n
Diameter 40290162
Circumference 126575276.95114
Area 1.2749346033891E+15

Sphere

Radius = n
Volume 3.4244881139968E+22
Surface area 5.0997384135564E+15
Circumference 126575276.95114

Square

Length = n
Perimeter 80580324
Area 405824288496561
Diagonal 28489446.765305

Cube

Length = n
Surface area 2434945730979366
Volume 8.1753631635306E+21
Space diagonal 34892303.81459

Equilateral Triangle

Length = n
Perimeter 60435243
Area 1.7572707165538E+14
Altitude 17446151.907295

Triangular Pyramid

Length = n
Surface area 1.7572707165538E+14
Volume 9.634757885992E+20
Height 9496482.2551015