20149645 (number)

20149645 is an odd 8-digits composite number following 20149644 and preceding 20149646. In scientific notation, it is written as 2.0149645 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 15683904 positive integers (up to 20149645) that are relatively prime to 20149645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0149645 × 10^7
Engineering notation 2.0149645 × 10^6

Prime Factorization of 20149645

Prime Factorization 5 × 37 × 108917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20149645
Product of the distinct prime numbers

The prime factorization of 20149645 is 5 × 37 × 108917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149645)

Multiplication

n×y
n×2 40299290
n×3 60448935
n×4 80598580
n×5 100748225

Division

n÷y
n÷2 10074822.5
n÷3 6716548.3333333
n÷3 5037411.25
n÷5 4029929

Exponentiation

ny
n2 406008193626025
n3 8.1809209686557E+21
n4 1.6484265329147E+29
n5 3.3215209446812E+36

Nth Root

y√n
2√n 4488.8355951182
3√n 272.11707852676
4√n 66.998773086663
5√n 28.897048031633

Divisors of 20149645

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 -20149644
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 20149645 can be divided by 8 positive divisors. The sum of these divisors (counting 20149645) is 1, the average is 0.125.

Base conversion 20149645

Base System Value
2 Binary 1001100110111010110001101
3 Ternary 1101220201010011
4 Quaternary 1030313112031
5 Quinary 20124242040
6 Senary 1555513221
8 Octal 114672615
10 Decimal 20149645
12 Duodecimal 68b8811
16 Hexadecimal 133758d
20 Vigesimal 65ie25
36 Base36 bzvkd

Cryptographic Hash Functions

md5 07ab01e8f3b2d0270925fd980f423a8b
sha1 17ee171dff1fa93feca95fe3ed4730c126e6dd74
sha256 75e5da4f3f07adad7e76c53aa5072e1bb0b0f3de4cdcaff348848e08cd0d2e51
sha512 3baff152ac5b331d30513c83ab9910ccdc893abbed800d04597930f046b029a5add65eb3a15bf4ba1382cfdc900824f45fef61c77dd39254c96077eca1ab8de8
ripemd-160 7c0d7478be8c1ff6f0949ab7f8fd8ba5d09e104c

20149645 as geometric shapes

Circle

Radius = n
Diameter 40299290
Circumference 126603953.40888
Area 1.2755123583928E+15

Sphere

Radius = n
Volume 3.4268161619636E+22
Surface area 5.1020494335711E+15
Circumference 126603953.40888

Square

Length = n
Perimeter 80598580
Area 406008193626025
Diagonal 28495901.236003

Cube

Length = n
Surface area 2436049161756150
Volume 8.1809209686557E+21
Space diagonal 34900208.894476

Equilateral Triangle

Length = n
Perimeter 60448935
Area 1.7580670491238E+14
Altitude 17450104.447238

Triangular Pyramid

Length = n
Surface area 1.7580670491238E+14
Volume 9.6413078221461E+20
Height 9498633.7453344