129621904 (number)

129621904 is an even 9-digits composite number following 129621903 and preceding 129621905. In scientific notation, it is written as 1.29621904 × 10^8. The sum of its digits is 34. It has a total of 5 prime factors and 10 positive divisors. There are 64810944 positive integers (up to 129621904) that are relatively prime to 129621904.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred twenty-one thousand nine hundred four

Notation

Scientific notation 1.29621904 × 10^8
Engineering notation 1.29621904 × 10^6

Prime Factorization of 129621904

Prime Factorization 2 × 2 × 2 × 2 × 8101369

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16202738
Product of the distinct prime numbers

The prime factorization of 129621904 is 2 × 2 × 2 × 2 × 8101369. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129621904)

Multiplication

n×y
n×2 259243808
n×3 388865712
n×4 518487616
n×5 648109520

Division

n÷y
n÷2 64810952
n÷3 43207301.333333
n÷3 32405476
n÷5 25924380.8

Exponentiation

ny
n2 16801837996585216
n3 2.1778862318169E+24
n4 2.8230176006349E+32
n5 3.6592491641981E+40

Nth Root

y√n
2√n 11385.161571098
3√n 506.08810768165
4√n 106.70127258425
5√n 41.931044355413

Divisors of 129621904

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129621903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129621904 can be divided by 10 positive divisors. The sum of these divisors (counting 129621904) is 1, the average is 0.1.

Base conversion 129621904

Base System Value
2 Binary 111101110011101111110010000
3 Ternary 100000220110211021
4 Quaternary 13232131332100
5 Quinary 231140400104
6 Senary 20510125224
8 Octal 756357620
10 Decimal 129621904
12 Duodecimal 374b0814
16 Hexadecimal 7b9df90
20 Vigesimal 20a2ef4
36 Base36 2568wg

Cryptographic Hash Functions

md5 ae6dffcd8a3356fdaffa443afbfefede
sha1 65bf1d0e06882e15bc4aa591f9e56b918c037cec
sha256 f9820aaaf1a16f2caae09ef735fff7c41c61ac7b3fe9e7cc1066d37b52933776
sha512 59f0a2453b5e616e84c6a2f30efeba034090406473aa8a0f5eb06870787e1cb849d1ce37e369146d0b6347ee0102fd66099f7bcdd3067b0d8b84b0724164453a
ripemd-160 3e6e3296123519104e6f1df70058df5da37aeb48

129621904 as geometric shapes

Circle

Radius = n
Diameter 259243808
Circumference 814438442.70144
Area 5.2784530816878E+16

Sphere

Radius = n
Volume 9.1227085149739E+24
Surface area 2.1113812326751E+17
Circumference 814438442.70144

Square

Length = n
Perimeter 518487616
Area 16801837996585216
Diagonal 183313054.61742

Cube

Length = n
Surface area 100811027979511296
Volume 2.1778862318169E+24
Space diagonal 224511723.50182

Equilateral Triangle

Length = n
Perimeter 388865712
Area 7.2754092676567E+15
Altitude 112255861.75091

Triangular Pyramid

Length = n
Surface area 7.2754092676567E+15
Volume 2.5666635386176E+23
Height 61104351.539141