129721366 (number)

129721366 is an even 9-digits composite number following 129721365 and preceding 129721367. In scientific notation, it is written as 1.29721366 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 64860682 positive integers (up to 129721366) that are relatively prime to 129721366.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-one thousand three hundred sixty-six

Notation

Scientific notation 1.29721366 × 10^8
Engineering notation 1.29721366 × 10^6

Prime Factorization of 129721366

Prime Factorization 2 × 64860683

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129721366
Product of the distinct prime numbers

The prime factorization of 129721366 is 2 × 64860683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129721366)

Multiplication

n×y
n×2 259442732
n×3 389164098
n×4 518885464
n×5 648606830

Division

n÷y
n÷2 64860683
n÷3 43240455.333333
n÷3 32430341.5
n÷5 25944273.2

Exponentiation

ny
n2 16827632796905956
n3 2.182903512961E+24
n4 2.831692255475E+32
n5 3.6733098747184E+40

Nth Root

y√n
2√n 11389.528787443
3√n 506.21751910695
4√n 106.72173530937
5√n 41.937477320722

Divisors of 129721366

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129721365
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129721366 can be divided by 4 positive divisors. The sum of these divisors (counting 129721366) is 1, the average is 0.25.

Base conversion 129721366

Base System Value
2 Binary 111101110110110010000010110
3 Ternary 100001002112021001
4 Quaternary 13232312100112
5 Quinary 231202040431
6 Senary 20512213514
8 Octal 756662026
10 Decimal 129721366
12 Duodecimal 3753a29a
16 Hexadecimal 7bb6416
20 Vigesimal 20af386
36 Base36 258dna

Cryptographic Hash Functions

md5 9a375a5463c0bf0b656b8b80be2f49e1
sha1 a0c7a2236b6bd678e1248664c4292a4f95874a81
sha256 354470be0226b4c55f08edef9d13c1920e37ac07a55c1c61e6fd99d89a819fa1
sha512 3f5e5eb74f31e8ed953b8d078f340e8283b1481ed2a5b2dbe36fe5174713ec28966e64cac46b18a391b1e39bf1e826643dcd1854ced9b78697372b7927045d0d
ripemd-160 3dba792716ded6d11960cbc26af435e42bb09965

129721366 as geometric shapes

Circle

Radius = n
Diameter 259442732
Circumference 815063380.87847
Area 5.2865567572066E+16

Sphere

Radius = n
Volume 9.143724853085E+24
Surface area 2.1146227028827E+17
Circumference 815063380.87847

Square

Length = n
Perimeter 518885464
Area 16827632796905956
Diagonal 183453715.12676

Cube

Length = n
Surface area 100965796781435736
Volume 2.182903512961E+24
Space diagonal 224683996.73924

Equilateral Triangle

Length = n
Perimeter 389164098
Area 7.2865787438384E+15
Altitude 112341998.36962

Triangular Pyramid

Length = n
Surface area 7.2865787438384E+15
Volume 2.5725764611511E+23
Height 61151238.375588