20129915 (number)

20129915 is an odd 8-digits composite number following 20129914 and preceding 20129916. In scientific notation, it is written as 2.0129915 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 14031360 positive integers (up to 20129915) that are relatively prime to 20129915.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0129915 × 10^7
Engineering notation 2.0129915 × 10^6

Prime Factorization of 20129915

Prime Factorization 65 × 29 × 59 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20129915
Product of the distinct prime numbers

The prime factorization of 20129915 is 65 × 29 × 59 × 181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129915)

Multiplication

n×y
n×2 40259830
n×3 60389745
n×4 80519660
n×5 100649575

Division

n÷y
n÷2 10064957.5
n÷3 6709971.6666667
n÷3 5032478.75
n÷5 4025983

Exponentiation

ny
n2 405213477907225
n3 8.1569128671268E+21
n4 1.6419796267767E+29
n5 3.3052910318747E+36

Nth Root

y√n
2√n 4486.6373822719
3√n 272.02823290417
4√n 66.982366203889
5√n 28.891386768669

Divisors of 20129915

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20129914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20129915 can be divided by 16 positive divisors. The sum of these divisors (counting 20129915) is 1, the average is 0.0625.

Base conversion 20129915

Base System Value
2 Binary 1001100110010100001111011
3 Ternary 1101212201001102
4 Quaternary 1030302201323
5 Quinary 20123124130
6 Senary 1555242015
8 Octal 114624173
10 Decimal 20129915
12 Duodecimal 68a930b
16 Hexadecimal 133287b
20 Vigesimal 65g4ff
36 Base36 bzgcb

Cryptographic Hash Functions

md5 0b644312a5fc33d42421c6209a2ea386
sha1 b70dd65b616677b87e6e7c251aa53e9c4c6a38de
sha256 889b2557317a68c1764b669fb634cbf3890d16523e05f9a9c5b14a6c7c20057f
sha512 aac6dc15a05f1cb87c96bf6af9b24e921ebd37626d87105ed08b1b5d1214472eb8ce86675805d9e7dde679466d2c9c7abf0a38fa544741b56a1c2670ba8be8ef
ripemd-160 4edd3d463a841f6d0c2db28dff65e67c9500a232

20129915 as geometric shapes

Circle

Radius = n
Diameter 40259830
Circumference 126479986.16277
Area 1.2730156853289E+15

Sphere

Radius = n
Volume 3.4167596719117E+22
Surface area 5.0920627413156E+15
Circumference 126479986.16277

Square

Length = n
Perimeter 80519660
Area 405213477907225
Diagonal 28467998.802418

Cube

Length = n
Surface area 2431280867443350
Volume 8.1569128671268E+21
Space diagonal 34866035.532043

Equilateral Triangle

Length = n
Perimeter 60389745
Area 1.7546258291175E+14
Altitude 17433017.766021

Triangular Pyramid

Length = n
Surface area 1.7546258291175E+14
Volume 9.6130140031553E+20
Height 9489332.9341392