20129145 (number)

20129145 is an odd 8-digits composite number following 20129144 and preceding 20129146. In scientific notation, it is written as 2.0129145 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 10574784 positive integers (up to 20129145) that are relatively prime to 20129145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0129145 × 10^7
Engineering notation 2.0129145 × 10^6

Prime Factorization of 20129145

Prime Factorization 15 × 67 × 20029

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20129145
Product of the distinct prime numbers

The prime factorization of 20129145 is 15 × 67 × 20029. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129145)

Multiplication

n×y
n×2 40258290
n×3 60387435
n×4 80516580
n×5 100645725

Division

n÷y
n÷2 10064572.5
n÷3 6709715
n÷3 5032286.25
n÷5 4025829

Exponentiation

ny
n2 405182478431025
n3 8.1559768597975E+21
n4 1.6417284082751E+29
n5 3.3046589180788E+36

Nth Root

y√n
2√n 4486.5515710844
3√n 272.02476436145
4√n 66.981725650243
5√n 28.891165737351

Divisors of 20129145

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 -20129144
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 20129145 can be divided by 8 positive divisors. The sum of these divisors (counting 20129145) is 1, the average is 0.125.

Base conversion 20129145

Base System Value
2 Binary 1001100110010010101111001
3 Ternary 1101212122222220
4 Quaternary 1030302111321
5 Quinary 20123113040
6 Senary 1555234253
8 Octal 114622571
10 Decimal 20129145
12 Duodecimal 68a8989
16 Hexadecimal 1332579
20 Vigesimal 65g2h5
36 Base36 bzfqx

Cryptographic Hash Functions

md5 21dcdd17ed8528c65334fb3971d92a44
sha1 3fa81f19f2685c97dec459cdad1df3a721958170
sha256 d798adce451ef5b75905781623e98e03c441421ccc81eeda6824baf683c23eb6
sha512 f66b542d25ecdd8f9e91fd21ee9e280157507eb683956a48856c82a51624f1bb49cc15c93fc2ed09274d6c558132c928ce5a147aed32280715419718a2a2d7d5
ripemd-160 e759a928a88c27eda4504bdcd22acd22a82e094e

20129145 as geometric shapes

Circle

Radius = n
Diameter 40258290
Circumference 126475148.11009
Area 1.2729182976022E+15

Sphere

Radius = n
Volume 3.4163675980784E+22
Surface area 5.0916731904089E+15
Circumference 126475148.11009

Square

Length = n
Perimeter 80516580
Area 405182478431025
Diagonal 28466909.857975

Cube

Length = n
Surface area 2431094870586150
Volume 8.1559768597975E+21
Space diagonal 34864701.852921

Equilateral Triangle

Length = n
Perimeter 60387435
Area 1.754491597448E+14
Altitude 17432350.926461

Triangular Pyramid

Length = n
Surface area 1.754491597448E+14
Volume 9.6119109079389E+20
Height 9488969.9526582