20115745 (number)

20115745 is an odd 8-digits composite number following 20115744 and preceding 20115746. In scientific notation, it is written as 2.0115745 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 14065920 positive integers (up to 20115745) that are relatively prime to 20115745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0115745 × 10^7
Engineering notation 2.0115745 × 10^6

Prime Factorization of 20115745

Prime Factorization 31 × 5 × 149 × 13 × 67

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20115745
Product of the distinct prime numbers

The prime factorization of 20115745 is 31 × 5 × 149 × 13 × 67. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 13, 59, 906, 78, 6371, 8212, 85627, 91807, 945223, 780601, 2345640, 1698957, 85646904, 57808988, 800347985, 683323229, 9773369472, 7295687150

Basic calculations (n = 20115745)

Multiplication

n×y
n×2 40231490
n×3 60347235
n×4 80462980
n×5 100578725

Division

n÷y
n÷2 10057872.5
n÷3 6705248.3333333
n÷3 5028936.25
n÷5 4023149

Exponentiation

ny
n2 404643196905025
n3 8.1396993649263E+21
n4 1.6373611680152E+29
n5 3.2936739728696E+36

Nth Root

y√n
2√n 4485.0579706398
3√n 271.96438853993
4√n 66.970575409204
5√n 28.887318134779

Divisors of 20115745

1, 5, 13, 31, 65, 67, 149, 155, 335, 403, 745, 871, 1937, 2015, 2077, 4355, 4619, 9685, 9983, 10385, 23095, 27001, 49915, 60047, 129779, 135005, 300235, 309473, 648895, 1547365, 4023149, 20115745

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 -20115744
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 20115745 can be divided by 32 positive divisors. The sum of these divisors (counting 20115745) is 1, the average is 0.03125.

Base conversion 20115745

Base System Value
2 Binary 1001100101111000100100001
3 Ternary 1101211222121121
4 Quaternary 1030233010201
5 Quinary 20122200440
6 Senary 1555052241
8 Octal 114570441
10 Decimal 20115745
12 Duodecimal 68a1081
16 Hexadecimal 132f121
20 Vigesimal 65e975
36 Base36 bz5ep

Cryptographic Hash Functions

md5 853a288e899b6bb8d52e862cea11a0d7
sha1 13b0626fecc69001cc2879383d4ebcfb3f622145
sha256 38a88ecfaa0d0e79793f6a42a5a210a2a23135e2d53717cc1074bc26de3d096f
sha512 d8d9b692f5e204b7432fe0af6c7ee6c7535fcda996f929f2e01ccb8954f5d984f36863a891448f0ab234de007a1fde37dc8c13acc44641270aa23e377d205290
ripemd-160 57febe3a952cfd03a1b9310f20c91e2d600ff521

20115745 as geometric shapes

Circle

Radius = n
Diameter 40231490
Circumference 126390953.42697
Area 1.2712240947219E+15

Sphere

Radius = n
Volume 3.4095492969709E+22
Surface area 5.0848963788877E+15
Circumference 126390953.42697

Square

Length = n
Perimeter 80462980
Area 404643196905025
Diagonal 28447959.396239

Cube

Length = n
Surface area 2427859181430150
Volume 8.1396993649263E+21
Space diagonal 34841492.3721

Equilateral Triangle

Length = n
Perimeter 60347235
Area 1.7521564399415E+14
Altitude 17420746.18605

Triangular Pyramid

Length = n
Surface area 1.7521564399415E+14
Volume 9.5927276962653E+20
Height 9482653.1320796