129705909 (number)

129705909 is an odd 9-digits composite number following 129705908 and preceding 129705910. In scientific notation, it is written as 1.29705909 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 86470604 positive integers (up to 129705909) that are relatively prime to 129705909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29705909 × 10^8
Engineering notation 1.29705909 × 10^6

Prime Factorization of 129705909

Prime Factorization 3 × 43235303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129705909
Product of the distinct prime numbers

The prime factorization of 129705909 is 3 × 43235303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129705909)

Multiplication

n×y
n×2 259411818
n×3 389117727
n×4 518823636
n×5 648529545

Division

n÷y
n÷2 64852954.5
n÷3 43235303
n÷3 32426477.25
n÷5 25941181.8

Exponentiation

ny
n2 16823622829516281
n3 2.1821232917756E+24
n4 2.8303428510982E+32
n5 3.6711219228335E+40

Nth Root

y√n
2√n 11388.850205354
3√n 506.19741212629
4√n 106.7185560498
5√n 41.936477857789

Divisors of 129705909

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 -129705908
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 129705909 can be divided by 4 positive divisors. The sum of these divisors (counting 129705909) is 1, the average is 0.25.

Base conversion 129705909

Base System Value
2 Binary 111101110110010011110110101
3 Ternary 100001001202001120
4 Quaternary 13232302132311
5 Quinary 231201042114
6 Senary 20512014153
8 Octal 756623665
10 Decimal 129705909
12 Duodecimal 37531359
16 Hexadecimal 7bb27b5
20 Vigesimal 20ad4f9
36 Base36 2581px

Cryptographic Hash Functions

md5 8aa2c54c0d40d465d965346ec689a6b5
sha1 949b85d9f77393e9f9577cfe89cf08443f012792
sha256 02fce0c9e6ccba24ffc3a4931905117a75f7644ce90f43b7061f7020376ac453
sha512 6826be4b6c1f2bfdcdc54dc547213635ccc31d80316c4ffa4699e616dd1647abee75bb79bc4a0eb1e0a752806daa704f4a74f8eb167352df6457af88aef71e95
ripemd-160 dca638a8273acc04f137f0c5d88af2c80f5bdcbe

129705909 as geometric shapes

Circle

Radius = n
Diameter 259411818
Circumference 814966261.68317
Area 5.2852969887974E+16

Sphere

Radius = n
Volume 9.1404566702257E+24
Surface area 2.114118795519E+17
Circumference 814966261.68317

Square

Length = n
Perimeter 518823636
Area 16823622829516281
Diagonal 183431855.62773

Cube

Length = n
Surface area 100941736977097686
Volume 2.1821232917756E+24
Space diagonal 224657224.42991

Equilateral Triangle

Length = n
Perimeter 389117727
Area 7.2848423770245E+15
Altitude 112328612.21495

Triangular Pyramid

Length = n
Surface area 7.2848423770245E+15
Volume 2.571656961666E+23
Height 61143951.87591