20129918 (number)

20129918 is an even 8-digits composite number following 20129917 and preceding 20129919. In scientific notation, it is written as 2.0129918 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10049416 positive integers (up to 20129918) that are relatively prime to 20129918.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-nine thousand nine hundred eighteen

Notation

Scientific notation 2.0129918 × 10^7
Engineering notation 2.0129918 × 10^6

Prime Factorization of 20129918

Prime Factorization 2 × 677 × 14867

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20129918
Product of the distinct prime numbers

The prime factorization of 20129918 is 2 × 677 × 14867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129918)

Multiplication

n×y
n×2 40259836
n×3 60389754
n×4 80519672
n×5 100649590

Division

n÷y
n÷2 10064959
n÷3 6709972.6666667
n÷3 5032479.5
n÷5 4025983.6

Exponentiation

ny
n2 405213598686724
n3 8.1569165140487E+21
n4 1.6419806056065E+29
n5 3.3052934948448E+36

Nth Root

y√n
2√n 4486.637716598
3√n 272.0282464178
4√n 66.982368699517
5√n 28.891387629817

Divisors of 20129918

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 -20129917
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 20129918 can be divided by 8 positive divisors. The sum of these divisors (counting 20129918) is 1, the average is 0.125.

Base conversion 20129918

Base System Value
2 Binary 1001100110010100001111110
3 Ternary 1101212201001112
4 Quaternary 1030302201332
5 Quinary 20123124133
6 Senary 1555242022
8 Octal 114624176
10 Decimal 20129918
12 Duodecimal 68a9312
16 Hexadecimal 133287e
20 Vigesimal 65g4fi
36 Base36 bzgce

Cryptographic Hash Functions

md5 769fe508aa6e3b0bf022a43c4188432b
sha1 4c0fe7f3ff388f403798d0586cf4cfe68ae1d2c1
sha256 68bb6ce7c067dec51b80733d7bf01ea65528d59eb29239c56f78613791e36b09
sha512 7879f7b7033cfd78bb04bd67578d7a324bcd26b3f97f3d0f17cb657c5fccec5a7583c4132913f47f36ccedae0c62edda61db38863adc240b13172f70290a4b61
ripemd-160 314d8c98f7f3a0bc9324733650ca0fc0e7a8064e

20129918 as geometric shapes

Circle

Radius = n
Diameter 40259836
Circumference 126480005.01233
Area 1.2730160647689E+15

Sphere

Radius = n
Volume 3.4167611995307E+22
Surface area 5.0920642590756E+15
Circumference 126480005.01233

Square

Length = n
Perimeter 80519672
Area 405213598686724
Diagonal 28468003.045058

Cube

Length = n
Surface area 2431281592120344
Volume 8.1569165140487E+21
Space diagonal 34866040.728195

Equilateral Triangle

Length = n
Perimeter 60389754
Area 1.7546263521081E+14
Altitude 17433020.364098

Triangular Pyramid

Length = n
Surface area 1.7546263521081E+14
Volume 9.6130183010939E+20
Height 9489334.3483528