129660638 (number)

129660638 is an even 9-digits composite number following 129660637 and preceding 129660639. In scientific notation, it is written as 1.29660638 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 64830318 positive integers (up to 129660638) that are relatively prime to 129660638.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred sixty thousand six hundred thirty-eight

Notation

Scientific notation 1.29660638 × 10^8
Engineering notation 1.29660638 × 10^6

Prime Factorization of 129660638

Prime Factorization 2 × 64830319

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129660638
Product of the distinct prime numbers

The prime factorization of 129660638 is 2 × 64830319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129660638)

Multiplication

n×y
n×2 259321276
n×3 388981914
n×4 518642552
n×5 648303190

Division

n÷y
n÷2 64830319
n÷3 43220212.666667
n÷3 32415159.5
n÷5 25932127.6

Exponentiation

ny
n2 16811881046567044
n3 2.179839222478E+24
n4 2.8263934432392E+32
n5 3.6647197708941E+40

Nth Root

y√n
2√n 11386.862517832
3√n 506.13851290868
4√n 106.70924288848
5√n 41.933550047619

Divisors of 129660638

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 -129660637
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 129660638 can be divided by 4 positive divisors. The sum of these divisors (counting 129660638) is 1, the average is 0.25.

Base conversion 129660638

Base System Value
2 Binary 111101110100111011011011110
3 Ternary 100000222102221212
4 Quaternary 13232213123132
5 Quinary 231143120023
6 Senary 20511024422
8 Octal 756473336
10 Decimal 129660638
12 Duodecimal 3750b112
16 Hexadecimal 7ba76de
20 Vigesimal 20a7bbi
36 Base36 2572se

Cryptographic Hash Functions

md5 2a26645d30ff15b0b9a6f03cb0732f33
sha1 3ae1014c67b1836b94710b88d362640b9438008b
sha256 9a4b826150a53b20ce762efcc131bcb5c509bd54a38e4d1ca3243fe400989325
sha512 259c29fa9b7bbc53f73eda303d41f5528ea9d32c95abae8c978da5176c90c71e72564a966fbd91311a072959fe4acf1b42a873d8a0fbc7b66b75ddc249deaa32
ripemd-160 a02af0fe5a6544da0b56be9d420b367f0121c53c

129660638 as geometric shapes

Circle

Radius = n
Diameter 259321276
Circumference 814681815.60113
Area 5.2816081988921E+16

Sphere

Radius = n
Volume 9.130889183125E+24
Surface area 2.1126432795568E+17
Circumference 814681815.60113

Square

Length = n
Perimeter 518642552
Area 16811881046567044
Diagonal 183367832.76555

Cube

Length = n
Surface area 100871286279402264
Volume 2.179839222478E+24
Space diagonal 224578812.7578

Equilateral Triangle

Length = n
Perimeter 388981914
Area 7.2797580358646E+15
Altitude 112289406.3789

Triangular Pyramid

Length = n
Surface area 7.2797580358646E+15
Volume 2.5689651601843E+23
Height 61122610.921849