20145505 (number)

20145505 is an odd 8-digits composite number following 20145504 and preceding 20145506. In scientific notation, it is written as 2.0145505 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 15596400 positive integers (up to 20145505) that are relatively prime to 20145505.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145505 × 10^7
Engineering notation 2.0145505 × 10^6

Prime Factorization of 20145505

Prime Factorization 5 × 31 × 129971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145505
Product of the distinct prime numbers

The prime factorization of 20145505 is 5 × 31 × 129971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145505)

Multiplication

n×y
n×2 40291010
n×3 60436515
n×4 80582020
n×5 100727525

Division

n÷y
n÷2 10072752.5
n÷3 6715168.3333333
n÷3 5036376.25
n÷5 4029101

Exponentiation

ny
n2 405841371705025
n3 8.1758793828904E+21
n4 1.6470721898742E+29
n5 3.3181101036471E+36

Nth Root

y√n
2√n 4488.37442734
3√n 272.09844061578
4√n 66.995331384657
5√n 28.895860481061

Divisors of 20145505

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 -20145504
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 20145505 can be divided by 8 positive divisors. The sum of these divisors (counting 20145505) is 1, the average is 0.125.

Base conversion 20145505

Base System Value
2 Binary 1001100110110010101100001
3 Ternary 1101220111102211
4 Quaternary 1030312111201
5 Quinary 20124124010
6 Senary 1555442121
8 Octal 114662541
10 Decimal 20145505
12 Duodecimal 68b6341
16 Hexadecimal 1336561
20 Vigesimal 65i3f5
36 Base36 bzsdd

Cryptographic Hash Functions

md5 f9e0c050a11f34e646bc901cad5ed962
sha1 07f8a77e216b8386e88408fc4dd546a0523e72a9
sha256 36711d97434b62721d3200e157bd052f62fadc27f8465bc036bffc5bad878137
sha512 2d22c5c2b79e9e4c3e07130ca640ee75e95284cf74017f3e6d54aafaafe46a0e0325ef2a37e9f5c980eb9773979189515a44f6222b3bdbe814fd8fd70159e842
ripemd-160 8b447d54b7891f5acbae20a6d87954f68396efb3

20145505 as geometric shapes

Circle

Radius = n
Diameter 40291010
Circumference 126577941.02171
Area 1.2749882718713E+15

Sphere

Radius = n
Volume 3.4247043474566E+22
Surface area 5.0999530874852E+15
Circumference 126577941.02171

Square

Length = n
Perimeter 80582020
Area 405841371705025
Diagonal 28490046.391855

Cube

Length = n
Surface area 2435048230230150
Volume 8.1758793828904E+21
Space diagonal 34893038.204133

Equilateral Triangle

Length = n
Perimeter 60436515
Area 1.7573446890164E+14
Altitude 17446519.102066

Triangular Pyramid

Length = n
Surface area 1.7573446890164E+14
Volume 9.6353662563419E+20
Height 9496682.1306183